HomeMy WebLinkAboutAppendix C - Noise and Vibration Impact Analysis
CARLSBAD
CLOVIS
IRVINE
LOS ANGELES
PALM SPRINGS
POINT RICHMOND
RIVERSIDE
ROSEVILLE
SAN LUIS OBISPO
3210 El Camino Real, Suite 100, Irvine, California 92602 949.553.0666 www.lsa.net
MEMORANDUM
DATE: July 16, 2025
TO: Stacey Sassaman, Lewis Management Corporation
FROM: Jason Lui, Associate/Senior Noise Specialist
SUBJECT: Noise and Vibration Impact Analysis for the proposed Resort Village Amendment to
the Arboretum Specific Plan Project in Fontana, California (LSA Project No.
20231028)
INTRODUCTION
This noise and vibration impact analysis has been prepared to evaluate the potential noise and
vibration impacts and mitigation measures associated with the proposed Resort Village Amendment
to the Arboretum Specific Plan Project (project), as analyzed in the 2008 Arboretum Specific Plan
Environmental Impact Report (EIR; certified in 2009) and pursuant to the California Environmental
Quality Act (CEQA). There are currently two addendums to the 2008 Arboretum Specific Plan EIR
that evaluated individual Specific Plan amendments: one from 2016 and one from 2024. The
currently proposed project is a new amendment to the Arboretum Specific Plan (Specific Plan) that
would convert a portion of the Resort Village planning area from residential use to commercial to
allow for a small shopping center. The amendment would maintain the 3,532 dwelling units
previously approved for buildout of the Specific Plan by transferring the residential development
potential of the subject property to other portions of the Specific Plan planning area in Fontana,
California. All references cited in this memorandum are included in Attachment A.
Project Location
The project site is located within the Arboretum Specific Plan, which is located north of Casa Grande
Avenue, east of Citrus Avenue, west of Sierra Avenue, and south of Grapeland Street, in the
northern portion of Fontana, in southwestern San Bernardino County, California. The Resort Village
planning area is a square-shaped, undeveloped property that consists of 18 parcels (Assessor’s
Parcel Numbers [APNs] 0239-081-06, -09, -11, -15, -16, -18, -19, -23, -24, -28, -29, -36, -37, and -40
through -43), totaling approximately 159.6 acres within the northeast quadrant of the Arboretum
Specific Plan area. Figure 1 shows the regional and project location (all figures are provided in
Attachment B).
Project Description
The proposed project would convert approximately 9.3 acres of the Resort Village planning area
from R-MF (Residential Multi-Family, 8.0–16.0 dwelling units per acre) to C-1 (Community
Commercial) and would develop the 9.3-acre property with approximately 73,558 square feet of
commercial uses. The 8.8-acre community activity center, currently designated C-2 with an Activity
Center overlay, would remain as previously approved. As proposed, the village would continue to
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feature a mix of single-family lots, medium and high-density residential units, parks, and an
elementary school, but would add community commercial areas. As previously approved, one 8.8-
acre commercial area would be located at the southeastern corner of the planning area, at the
Sierra Avenue and Duncan Canyon Road intersection, and as currently proposed, the second 9.3-
acre commercial area would be located along the eastern border of the site, northwest of the
current intersection of Sierra Avenue and Terra Vista Drive. Scattered parks would be provided
within the village, connected by streets and sidewalks. The high-density units would be clustered
with parks, commercial, and school uses, and lower-density units would be clustered in the
northeastern section. Residential density would be reduced to 10.5 units per gross acre.
Table A shows the changes from the approved project within the Resort Village planning area, which
include an increase from 8.8 acres of commercial uses to 18.1 acres of commercial uses, a decrease
in acreage of residential uses with density ranges between 8 and 16 du/ac, an increase in residential
uses with density ranges between 16 and 20 du/ac, and a decrease in Collector Street acreage.
There would be no change in the proposed acreage of residential uses with density ranges between
6 and 8 du/ac.
Compared to the approved project, implementation of the proposed project would decrease the
average adjusted gross density within the Resort Village from 11.2 to 10.5 residential units per acre.
Additionally, the proposed project would reduce community parks acreage from 5.9 to 5.7 acres,
while increasing neighborhood parks from 2.6 to 2.8 acres. Collector streets within the Resort
Village planning area would be reconfigured and reduced in acreage from 14.6 acres to 7.01 acres
under the proposed project. Primary gated entries would remain on Duncan Canyon Road and
Cypress Avenue, and secondary gates would remain on Grapeland Street and Sierra Avenue.
Construction of the proposed project is anticipated to commence in March 2026 and be completed
in late 2032, over the course of four phases. Construction activities for the proposed project would
include site preparation, grading, building construction, paving, and architectural coating activities.
Construction hours would conform to City of Fontana (City) standards and be limited to 7:00 a.m. to
6:00 p.m., Monday through Friday. According to the approved project, grading is expected to
balance on site, and no import or export of materials would be required. Figure 2 shows the Resort
Village land use plan.
CHARACTERISTICS OF SOUND
Noise is usually defined as unwanted sound. Noise consists of any sound that may produce
physiological or psychological damage and/or interfere with communication, work, rest, recreation,
and sleep. To the human ear, sound has two significant characteristics: pitch and loudness. Pitch is
generally an annoyance, while loudness can affect the ability to hear. Pitch is the number of
complete vibrations, or cycles per second, of a wave resulting in the tone’s range from high to low.
Loudness is the strength of a sound that describes a noisy or quiet environment and is measured by
the amplitude of the sound wave. Loudness is determined by the intensity of the sound waves
combined with the reception characteristics of the human ear. Sound intensity refers to how hard
the sound wave strikes an object, which in turn produces the sound’s effect. This characteristic of
sound can be precisely measured with instruments. The analysis of a project defines the noise
environment of the project area in terms of sound intensity and its effect on adjacent sensitive land
uses.
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Table A: The Resort Village Proposed Land Use Changes
PA
Approved Project
PA
Proposed Project
Land Use Acreage Density
Range
Target
Density
Land Use Acreage Density
Range
Target
Density
Residential
R-1 RM-F 10.1 8-12 10.0 R-1 RM-F 7.7 16-20 17.0
R-2 RM-F 9.5 8-12 10.0 R-2 RM-F 9.1 16-20 19.0
R-3 RM-F 11.7 10-15 12.0 R-3 RM-F 5.8 10-15 10.0
R-4 RM-F 8.3 16-20 20.0 R-4 RM-F 8.0 16-20 19.0
R-5 RM-F 5.5 16-20 18.0 R-5 RM-F 9.0 8-12 12.0
R-6 RM-F 5.6 6-8 7.0 R-6 RM-F 7.5 16-20 20.0
R-7 RM-F 6.6 6-8 7.0 R-7 RM-F 9.0 16-20 17.0
R-8 RM-F 8.1 14-16 16.0 R-8 RM-F 8.7 16-20 18.0
R-9 RM-F 9.0 14-16 14.0 R-9 RM-F 12.2 5-10 7.0
R-10 RM-F 7.7 16-20 18.0 R-10 RM-F 5.1 8-12 10.0
R-11 RM-F 7.5 16-20 19.0 R-11 RM-F 9.6 10-15 14.0
R-12 RM-F 6.0 16-20 20.0 R-12 RM-F 4.4 16-20 20.0
R-13 RM-F 6.0 16-20 20.0 NAP RM-F 3.8 8-12 10.0
Acreage Subtotal 101.6 Acreage Subtotal 99.9
Unit Subtotal 1,463 Unit Subtotal 1,4631
Non Residential
- - - - C-1 Community Commercial 9.3 - -
- - - - C-2 Community Commercial 8.8 - -
Elementary School 12.1 - - Elementary School 12.1 - -
Neighborhood Park 2.6 - - Neighborhood Park 2.8 - -
Community Parks 5.9 - - Community Parks 5.7 - -
Activity Center 8.8 - - - - - -
Subtotal 29.4 Subtotal 38.7
Total Adjusted Gross Acreage 131.0 Total Adjusted Gross Acreage 138.6
Total Adjusted Gross Target
Density
11.2 Total Adjusted Gross Target
Density
10.5
Total Adjusted Gross Max Units 1,463 Total Adjusted Gross Max Units 1,4631
Other
Perimeter Streets 14.0 14.0
Collector Streets 14.6 7.01
Subtotal 28.6 Subtotal 21.0
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Table A: The Resort Village Proposed Land Use Changes
PA
Approved Project
PA
Proposed Project
Land Use Acreage Density
Range
Target
Density
Land Use Acreage Density
Range
Target
Density
Total Gross Acreage 159.6 Total Gross 159.6
Total Gross Target Density 10.5
Total Gross Max Units 1,4631
Source: Lewis Management Corporation
Notes:
1 Per Section 8.2 of the Specific Plan, up to 10 percent of the R-MF 3.0-8.0 units in a particular residential planning area may be transferred to another R-MF 3.0-8.0 planning area,
provided the maximum unit count for the Specific Plan as a whole does not exceed 3,532 units. Up to 15 percent of the R-MF 8.1-24.0 units in a particular residential planning area may
be transferred to another R-MF 8.1-24.0 planning area, provided the maximum unit count for the R-MF 8.1-24.0 residential uses as a whole does not exceed 2,569 units.
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Measurement of Sound
Sound intensity is measured through the A-weighted scale to correct for the relative frequency
response of the human ear. That is, an A-weighted noise level de-emphasizes low and very high
frequencies of sound similar to the human ear’s de-emphasis of these frequencies. Decibels (dB),
unlike the linear scale (e.g., inches or pounds), are measured on a logarithmic scale, which is a scale
based on powers of 10.
For example, 10 decibels is 10 times more intense than 0 dB, 20 dB is 100 times more intense than
0 dB, and 30 dB is 1,000 times more intense than 0 dB. Thirty decibels (30 dB) represents 1,000
times as much acoustic energy as 0 dB. The decibel scale increases as the square of the change,
representing the sound pressure energy. A sound as soft as human breathing is about 10 times
greater than 0 dB. The decibel system of measuring sound gives a rough connection between the
physical intensity of sound and its perceived loudness to the human ear. A 10 dB increase in sound
level is perceived by the human ear as only a doubling of the loudness of the sound. Ambient sounds
generally range from 30 dB (very quiet) to 100 dB (very loud).
Sound levels are generated from a source, and their decibel level decreases as the distance from
that source increases. Sound dissipates exponentially with distance from the noise source. For a
single point source, sound levels decrease approximately 6 dB for each doubling of distance from
the source. This drop-off rate is appropriate for noise generated by stationary equipment. If noise is
produced by a line source (e.g., highway traffic or railroad operations), the sound decreases 3 dB for
each doubling of distance in a hard site environment; however, line source noise in a relatively flat
environment with absorptive vegetation decreases 4.5 dB for each doubling of distance.
There are many ways to rate noise for various time periods, but an appropriate rating of ambient noise
affecting humans also accounts for the annoying effects of sound. The equivalent continuous sound
level (Leq) is the total sound energy of time-varying noise over a sample period. However, the
predominant rating scales for human communities in the State of California are the Leq and community
noise equivalent level (CNEL) or the day-night average noise level (Ldn) based on A-weighted decibels
(dBA). CNEL is the time-varying noise over a 24-hour period, with a 5 dBA weighting factor applied to
the hourly Leq for noises occurring from 7:00 p.m. to 10:00 p.m. (defined as relaxation hours), and a
10 dBA weighting factor applied to noises occurring from 10:00 p.m. to 7:00 a.m. (defined as sleeping
hours). Ldn is similar to the CNEL scale but without the adjustment for events occurring during the
evening hours. CNEL and Ldn are within 1 dBA of each other and are normally interchangeable. The City
uses the CNEL noise scale for long-term noise impact assessment.
Other noise rating scales of importance when assessing the annoyance factor include the maximum
noise level (Lmax), which is the highest exponential time-averaged sound level that occurs during a
stated time period. The noise environments discussed in this analysis for short-term noise impacts
are specified in terms of maximum levels denoted by Lmax, which reflects peak operating conditions
and addresses the annoying aspects of intermittent noise. Lmax is often used together with another
noise scale, or noise standards in terms of percentile noise levels, in noise ordinances for
enforcement purposes. For example, the L10 noise level represents the noise level exceeded
10 percent of the time during a stated period. The L50 noise level represents the median noise level.
Half the time the noise level exceeds this level, and half the time, it is less than this level. The L90
noise level represents the noise level exceeded 90 percent of the time and is considered the
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background noise level during a monitoring period. For a relatively constant noise source, the Leq
and L50 are approximately the same.
Noise impacts can be described in three categories. The first category includes audible impacts that
refer to increases in noise levels noticeable to humans. Audible increases in noise levels generally
refer to a change of 3 dB or greater because this level has been found to be barely perceptible in
exterior environments. The second category, potentially audible, refers to a change in the noise
level between 1 dB and 3 dB. This range of noise levels has been found to be noticeable only in
laboratory environments. The last category includes changes in noise levels of less than 1 dB, which
are inaudible to the human ear. Only audible changes in existing ambient or background noise levels
are considered potentially significant.
Physiological Effects of Noise
Physical damage to human hearing begins at prolonged exposure to noise levels higher than 85 dBA.
Exposure to high noise levels affects the entire system, with prolonged noise exposure in excess of
75 dBA increasing body tensions, thereby affecting blood pressure and functions of the heart and
the nervous system. In comparison, extended periods of noise exposure above 90 dBA would result
in permanent cell damage. When the noise level reaches 120 dBA, a tickling sensation occurs in the
human ear, even with short-term exposure. This level of noise is called the threshold of feeling. As
the sound reaches 140 dBA, the tickling sensation is replaced by the feeling of pain in the ear (the
threshold of pain). A sound level of 160–165 dBA will result in dizziness or loss of equilibrium. The
ambient or background noise problem is widespread and generally more concentrated in urban
areas than in outlying, less developed area. Table B lists definitions of acoustical terms, and Table C
shows common sound levels and their sources.
FUNDAMENTALS OF VIBRATION
Vibration refers to ground-borne noise and perceptible motion. Ground-borne vibration is almost
exclusively a concern inside buildings and is rarely perceived as a problem outdoors, where the
motion may be discernible, but without the effects associated with the shaking of a building there is
less adverse reaction. Vibration energy propagates from a source through intervening soil and rock
layers to the foundations of nearby buildings. The vibration then propagates from the foundation
throughout the remainder of the structure. Building vibration may be perceived by occupants as the
motion of building surfaces, the rattling of items on shelves or hanging on walls, or a low-frequency
rumbling noise. The rumbling noise is caused by the vibration of walls, floors, and ceilings that
radiate sound waves. Annoyance from vibration often occurs when the vibration exceeds the
threshold of perception by 10 vibration velocity decibels (VdB) or less. This is an order of magnitude
below the damage threshold for normal buildings. Typical sources of ground-borne vibration are
construction activities (e.g., blasting, pile driving, and operating heavy-duty earthmoving
equipment), steel-wheeled trains, and occasional traffic on rough roads. Ground-borne vibration
and noise from these sources are usually localized to areas within approximately 100 feet from the
vibration source, although there are examples of ground-borne vibration causing interference out to
distances greater than 200 feet (see the Federal Transit Administration’s [FTA] 2018 Transit Noise
and Vibration Impact Assessment Manual). When roadways are smooth, vibration from traffic, even
heavy trucks, is rarely perceptible. It is assumed for most projects that the roadway surface will be
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Table B: Definitions of Acoustical Terms
Term Definitions
Decibel, dB A unit of measurement that denotes the ratio between two quantities that are proportional to
power; the number of decibels is 10 times the logarithm (to the base 10) of this ratio.
Frequency, Hz Of a function periodic in time, the number of times that the quantity repeats itself in 1 second
(i.e., number of cycles per second).
A-Weighted Sound
Level, dBA
The sound level obtained by use of A-weighting. The A-weighting filter deemphasizes the very
low- and very high-frequency components of the sound in a manner similar to the frequency
response of the human ear and correlates well with subjective reactions to noise. (All sound levels
in this report are A-weighted, unless reported otherwise.)
L01, L10, L50, L90 The fast A-weighted noise levels that are equaled or exceeded by a fluctuating sound level 1%,
10%, 50%, and 90% of a stated time period.
Equivalent
Continuous Noise
Level, Leq
The level of a steady sound that, in a stated time period and at a stated location, has the same A-
weighted sound energy as the time-varying sound.
Community Noise
Equivalent Level,
CNEL
The 24-hour A-weighted average sound level from midnight to midnight, obtained after the
addition of 5 dBA to sound levels occurring in the evening from 7:00 PM to 10:00 PM and after
the addition of 10 dBA to sound levels occurring in the night between 10:00 PM and 7:00 AM.
Day/Night Noise
Level, Ldn
The 24-hour A-weighted average sound level from midnight to midnight, obtained after the
addition of 10 dBA to sound levels occurring in the night between 10:00 PM and 7:00 AM.
Lmax, Lmin The maximum and minimum A-weighted sound levels measured on a sound level meter, during a
designated time interval, using fast time averaging.
Ambient Noise
Level
The all-encompassing noise associated with a given environment at a specified time; usually a
composite of sound from many sources at many directions, near and far; no particular sound is
dominant.
Intrusive The noise that intrudes over and above the existing ambient noise at a given location. The relative
intrusiveness of a sound depends upon its amplitude, duration, frequency, and time of
occurrence and tonal or informational content, as well as the prevailing ambient noise level.
Source: Handbook of Acoustical Measurements and Noise Control (Harris 1991).
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Table C: Common Sound Levels and Their Noise Sources
Noise Source A-Weighted Sound
Level in Decibels
Noise
Environments
Subjective
Evaluations
Near Jet Engine 140 Deafening 128 times as loud
Civil Defense Siren 130 Threshold of Pain 64 times as loud
Hard Rock Band 120 Threshold of Feeling 32 times as loud
Accelerating Motorcycle at a Few Feet Away 110 Very Loud 16 times as loud
Pile Driver; Noisy Urban Street/Heavy City Traffic 100 Very Loud 8 times as loud
Ambulance Siren; Food Blender 95 Very Loud —
Garbage Disposal 90 Very Loud 4 times as loud
Freight Cars; Living Room Music 85 Loud —
Pneumatic Drill; Vacuum Cleaner 80 Loud 2 times as loud
Busy Restaurant 75 Moderately Loud —
Near Freeway Auto Traffic 70 Moderately Loud —
Average Office 60 Quiet One-half as loud
Suburban Street 55 Quiet —
Light Traffic; Soft Radio Music in Apartment 50 Quiet One-quarter as loud
Large Transformer 45 Quiet —
Average Residence without Stereo Playing 40 Faint One-eighth as loud
Soft Whisper 30 Faint —
Rustling Leaves 20 Very Faint —
Human Breathing 10 Very Faint Threshold of
Hearing
— 0 Very Faint —
Source: Compiled by LSA (2015).
smooth enough that ground-borne vibration from street traffic will not exceed the impact criteria;
however, both construction of a project and freight train operations on railroad tracks could result
in ground-borne vibration that may be perceptible and annoying.
Ground-borne noise is not likely to be a problem because noise arriving via the normal airborne path
will usually be greater than ground-borne noise. Ground-borne vibration has the potential to disturb
people and damage buildings. Although it is very rare for train-induced ground-borne vibration to
cause cosmetic building damage, it is not uncommon for heavy duty construction processes (e.g.,
blasting and pile driving) to cause vibration of sufficient amplitudes to damage nearby buildings (FTA
2018). Ground-borne vibration is usually measured in terms of vibration velocity, either the root-
mean-square (RMS) velocity or peak particle velocity (PPV). The RMS is best for characterizing
human response to building vibration, and PPV is used to characterize potential for damage. Decibel
notation acts to compress the range of numbers required to describe vibration. Vibration velocity
level in decibels is defined as:
Lv = 20 log10 [V/Vref]
where Lv is the VdB, V is the RMS velocity amplitude, and Vref is the reference velocity amplitude, or
1 × 10-6 inches/second (in/sec) used in the United States.
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REGULATORY SETTING
Federal Guidelines
Federal Transit Administration
Noise. The construction noise criteria included in the Transit Noise and Vibration Impact Assessment
Manual (FTA 2018) was used to evaluated potential construction noise impacts because Section 18-
63(b) of the City’s Municipal Code does not have daytime construction noise level limits for activities
that occur within the specified hours. Table D shows the FTA’s Detailed Analysis Construction Noise
Criteria for daytime hours based on the composite noise levels for each construction phase.
Table D: Detailed Analysis Construction Noise Criteria
Land Use Daytime 8-hour Leq (dBA)
Residential 80
Commercial 85
Industrial 90
Source: Transit Noise and Vibration Impact Assessment Manual (FTA 2018).
dBA = A-weighted decibels
FTA = Federal Transit Administration
Leq = equivalent continuous sound level
Vibration. Vibration standards included in the Transit Noise and Vibration Impact Assessment
Manual (FTA 2018) were used to evaluate construction vibration impacts because the City does not
have construction vibration standards. Table E provides the criteria for assessing the potential for
interference or annoyance from vibration levels in a building, and Table F lists the potential vibration
building damage criteria associated with construction activities.
Table E: Interpretation of Vibration Criteria for Detailed Analysis
Land Use Maximum
Lv (VdB)1 Description of Use
Workshop 90 Vibration that is distinctly felt. Appropriate for workshops and similar areas not
as sensitive to vibration.
Office 84 Vibration that can be felt. Appropriate for offices and similar areas not as
sensitive to vibration.
Residential Day 78 Vibration that is barely felt. Adequate for computer equipment and low-power
optical microscopes (up to 20×).
Residential Night and
Operating Rooms 72
Vibration is not felt, but ground-borne noise may be audible inside quiet rooms.
Suitable for medium-power microscopes (100×) and other equipment of low
sensitivity.
Source: Transit Noise and Vibration Impact Assessment Manual (FTA 2018).
1 As measured in ⅓-octave bands of frequency over the frequency range 8 to 80 Hertz.
FTA = Federal Transit Administration
LV = velocity in decibels
VdB = vibration velocity decibels
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Table F: Construction Vibration Damage Criteria
Building Category PPV (in/sec) Approximate LV (VdB)1
Reinforced concrete, steel, or timber (no plaster) 0.50 102
Engineered concrete and masonry (no plaster) 0.30 98
Non-engineered timber and masonry buildings 0.20 94
Buildings extremely susceptible to vibration damage 0.12 90
Source: Transit Noise and Vibration Impact Assessment Manual (FTA 2018).
1 RMS vibration velocity in decibels (VdB) are 1 µin/sec.
µin/sec = microinches per second
FTA = Federal Transit Administration
in/sec = inches per second
LV = velocity in decibels
PPV = peak particle velocity
RMS = root-mean-square
VdB = vibration velocity decibels
Local Regulations
City of Fontana
Noise and Safety Element of the General Plan. The Noise and Safety Element of the City’s General
Plan (2018) lists the policies and actions required to meet the City’s noise-related goals. The
following are the applicable goals, policies, and actions for the proposed project.
Goal 3. Fontana’s residents are protected from negative effects of “spillover” noise.
○ Policy: Residential land uses and areas identified as noise-sensitive shall be protected from
excessive noise from non-transportation sources including industrial, commercial, and
residential activities and equipment.
○ Actions:
■ Projects located in commercial areas shall not exceed stationary source noise standards
at the property line of proximate residential or commercial uses.
■ Industrial uses shall not exceed commercial or residential stationary source noise
standards at the most proximate land uses.
■ Non-transportation noise shall be considered in land use planning decisions.
■ Construction shall be performed as quietly as feasible when performed in proximity to
residential or other noise-sensitive land uses.
To achieve Goal 3, the proposed project was assessed based on the requirements and noise
standards in the City’s Municipal Code, discussed below.
Municipal Code. Section 30-469 of the City’s Municipal Code (2023) has established exterior
daytime (7:00 a.m. to 10:00 p.m.) and nighttime (10:00 p.m. to 7:00 a.m.) noise standards of 65 dBA
for activities in residential-zoned districts.
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Similar to Section 30-469 as discussed above, Section 30-470 of the City’s Municipal Code was used
to evaluate potential vibration impacts from project operations. This code section limits operational
vibration levels that create or cause activity that causes a vibration that can be felt beyond the
property line with or without the aid of an instrument. Because the City does not specify the
vibration level that can be felt, this analysis uses a vibration perception threshold of 65 VdB from the
Transit Noise and Vibration Impact Assessment Manual (FTA 2018).
In addition, Section 18-63(b) of the City’s Municipal Code states:
Noises that are loud, excessive, impulsive, or intrusive sound or noise that annoys or
disturbs persons of ordinary sensibilities from a distance of 50 ft or more from the
edge of the property, structure, or unit in which the source is located, are declared
to be in violation of this article, but such enumeration shall not be deemed to be
exclusive. Applicable noises that are prohibited under this section include the
following:
Loading, Unloading or Opening Boxes: The creation of a loud, excessive,
impulsive or intrusive and excessive noise in connection with loading or
unloading of any vehicle or the opening and destruction of bales, boxes, crates
and containers.
Construction or Repairing of Buildings or Structures: The erection (including
excavating), demolition, alteration or repair of any building or structure other
than between the hours of 7:00 a.m. and 6:00 p.m. on weekdays and between
the hours of 8:00 a.m. and 5:00 p.m. on Saturdays, except in case of urgent
necessity in the interest of public health and safety, and then only with a permit
from the building inspector, which permit may be granted for a period not to
exceed three days or less while the emergency continues and which permit may
be renewed for periods of three days or less while the emergency continues. If
the building inspector should determine that the public health and safety will
not be impaired by the erection, demolition, alteration or repair of any building
or structure or the excavation of streets and highways within the hours of 6:00
p.m. and 7:00 a.m., and if he shall further determine that loss or inconvenience
would result to any party in interest, he may grant permission for such work to
be done on weekdays within the hours of 6:00 p.m. and 7:00 a.m., upon
application being made at the time the permit for the work is awarded or during
the progress of the work.
The Arboretum Specific Plan. As identified above, the project site is within the Arboretum Specific
Plan area. The standard conditions and measures from The Arboretum Specific Plan EIR are listed
below in the Standard Conditions and Mitigation Measures section. All are applicable to the
proposed project and would be implemented to reduce and avoid potential impacts related to noise
and vibration.
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EXISTING SETTING
Land Uses in the Project Vicinity
Existing land uses near the project area include residences, a school, and undeveloped land. The
existing residences are southwest, south, and east of the project site, with new residential
construction occurring south of the project site. The Kordyak Elementary School is east of the
project site, across Sierra Avenue. Undeveloped land is immediately north and west of the project
site. Residences are planned immediately west of the project site as part of the Resort Village within
the Arboretum Specific Plan.
Overview of the Existing Noise Environment
The primary existing noise sources in the project area are transportation facilities. Traffic on Sierra
Avenue and other local roadways contributes to the ambient noise levels in the project vicinity.
Noise from motor vehicles is generated by engines, interaction between tires and the road, and
vehicle exhaust systems. In addition, school activities east of the project site across Sierra Avenue
contribute to the ambient noise in the project vicinity.
Existing Traffic Noise
The Federal Highway Administration (FHWA) Highway Traffic Noise Prediction Model (FHWA RD-77-
108) (FHWA 1977) was used to evaluate traffic-related noise conditions along roadways in the
project vicinity. This model requires various parameters, including traffic volumes, vehicle mix,
vehicle speed, and roadway geometry, to compute typical equivalent noise levels during daytime,
evening, and nighttime hours. The resulting noise levels are weighted and summed over 24-hour
periods to determine the CNEL values. The existing (2025) average daily traffic (ADT) volumes were
derived from The Resort Village Traffic Impact Analysis (Translutions 2025). The standard vehicle mix
for Southern California roadways was used for roadways in the project vicinity. Table G lists the
existing traffic noise levels on roadways in the project vicinity. These noise levels represent the
worst-case scenario, which assumes that no shielding is provided between traffic and the location
where the noise contours are drawn. The specific assumptions used in developing these noise levels
and the model printouts are provided in Attachment D.
IMPACTS
Short-Term Construction Noise Impacts
Two types of short-term noise impacts would occur during project construction. The first type would
be from construction crew commutes and the transport of construction equipment and materials to
the project site and would incrementally raise noise levels on roadways leading to the site. The
pieces of construction equipment for construction activities would move on site, would remain for
the duration of each construction phase, and would not add to the daily traffic volume in the project
vicinity. Although there would be a relatively high single-event noise exposure potential causing
intermittent noise nuisance (passing trucks at 50 feet would generate up to a maximum of 84 dBA),
the effect of daily construction-related vehicle trips on longer-term (daily) ambient noise levels
would be small compared to the daily traffic volume on Sierra Avenue and Duncan Canyon Road,
which would be used to access the project site. The results of the California Emissions Estimator
Model (CalEEMod) (version 2022.1) contained in Attachment B of the Air Quality and Greenhouse
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Table G: Existing (2025) Traffic Noise Levels
Roadway Segment ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA) 50 ft
from Centerline
of Outermost
Lane
Duncan Canyon Road Between I-15 NB Ramps
and John Previti Avenue 11,000 < 50 85 173 65.4
Duncan Canyon Road Between John Previti
Avenue and Citrus Avenue 10,995 < 50 79 171 67.3
Duncan Canyon Road Between Citrus Avenue
and Arboretum Avenue 5,275 < 50 < 50 69 61.4
Duncan Canyon Road Between Arboretum
Avenue and Cypress Avenue 4,375 < 50 < 50 61 60.6
Duncan Canyon Road Between Cypress Avenue
and Elementary School Driveway 3 3,820 < 50 < 50 56 60.0
Duncan Canyon Road Between Elementary
School Driveway 3 and Cassava Drive 3,870 < 50 < 50 57 60.1
Duncan Canyon Road Between Cassava Drive
and Sierra Avenue 3,575 < 50 < 50 55 59.1
Duncan Canyon Road East of Sierra Avenue 660 < 50 < 50 < 50 48.9
Sierra Avenue Between I-15 NB Ramps and
Riverside Avenue 20,900 82 172 367 70.8
Sierra Avenue Between Riverside Avenue and
Grapeland Street-Segovia Avenue 11,530 54 115 247 69.7
Sierra Avenue Between Grapeland Street-
Segovia Avenue and C-1 Retail Driveway 1 11,460 57 116 246 68.5
Sierra Avenue Between C-1 Retail Driveway 1
and Terra Vista Drive 11,460 57 116 246 68.5
Sierra Avenue Between Terra Vista Drive and C-
2 Retail Driveway 2 15,240 68 140 298 69.4
Sierra Avenue Between C-2 Retail Driveway 2
and Duncan Canyon Road 15,240 68 140 298 69.4
Sierra Avenue Between Duncan Canyon Road
and Fieldcress Drive 13,945 65 132 281 69.0
Sierra Avenue Between Fieldcress Drive and
Casa Grande Drive 13,890 65 132 280 69.0
Sierra Avenue Between Casa Grande Drive and
Summit Avenue 13,800 64 131 279 69.0
Sierra Avenue South of Summit Avenue 17,470 80 155 327 69.2
Citrus Avenue Between Duncan Canyon Road
and Casa Grande Drive 6,575 < 50 61 123 63.6
Citrus Avenue South of Casa Grande Drive 5,840 < 50 59 115 62.8
Cypress Avenue Between Grapeland Street and
Arboretum Avenue --1 -- -- -- --
Cypress Avenue Between Arboretum Avenue
and Terra Vista Drive -- -- -- -- --
Cypress Avenue Between Terra Vista Drive and
Elementary School North Driveway -- -- -- -- --
Cypress Avenue Between Elementary School
North Driveway and Elementary School South
Driveway
-- -- -- -- --
Cypress Avenue Between Elementary School
South Driveway and Duncan Canyon Road -- -- -- -- --
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Table G: Existing (2025) Traffic Noise Levels
Roadway Segment ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA) 50 ft
from Centerline
of Outermost
Lane
Cypress Avenue Between Duncan Canyon Road
and Gardens Street 1,350 < 50 < 50 < 50 54.0
Cypress Avenue Between Gardens Street and
Casa Grande Drive 1,655 < 50 < 50 < 50 54.9
Grapeland Street Between Cypress Avenue and
Cassava Drive -- -- -- -- --
Grapeland Street Between Cassava Drive and
Sierra Avenue -- -- -- -- --
Source: Compiled by LSA (2025).
Note: Traffic noise within 50 ft of the roadway centerline should be evaluated with site-specific information.
ADT = average daily traffic
CNEL = Community Noise Equivalent Level
dBA = A-weighted decibel
ft = foot/feet
I-15 = Interstate 15
NB = northbound
Gas Impact Analysis Memorandum for the Arboretum Specific Plan Amendment (LSA 2025) indicate
that project construction would generate an acoustical equivalent traffic volume of up to 2,359 and
3,497 passenger car equivalent vehicles on Sierra Avenue and Duncan Canyon Road, respectively.
Based on Tables N, O, P, and Q, Sierra Avenue would have opening year daily traffic volumes near
the project site of 11,460, 12,300, 13,150, and 15,145 under Phases 1, 2, 3, and 4, respectively.
Similarly, Duncan Canyon Road would have opening year daily traffic volumes near the project site
of 3,820, 4,870, 5,945, and 7,750 under Phases 1, 2, 3, and 4, respectively. Based on the information
above and the detailed calculations in Attachment C, construction-related traffic would increase
noise by up to 1.9 dBA. A noise level increase of less than 3 dBA would not be perceptible to the
human ear in an outdoor environment. However, similar to the 2008 Arboretum Specific Plan EIR,
the new elementary school and residences constructed in the earlier phases would potentially be
impacted by construction-related traffic of later phases. Implementation of Standard Condition
4.6.1 and Mitigation Measures 4.6.1a and 4.6.1b, as identified in the EIR, would reduce noise
impacts to less than significant. Therefore, the proposed project would not result in new or more
significant impacts related to construction crew commutes and the transport of construction
equipment and materials than what was analyzed in the 2008 Arboretum Specific Plan EIR (as
amended). No additional mitigation measures are required.
The second type of short-term noise impact is related noise generated from construction activities.
Construction is performed in discrete steps, each of which has its own mix of equipment and,
consequently, its own noise characteristics. The proposed project would be constructed in four
phases in response to market demand. The following phases are anticipated:
Phase 1 Opening Year (2026): This phase includes the elementary school and retail C-1 planning
areas. Site preparation and grading would be conducted for the entire site.
Phase 2 Opening Year (2028): This phase includes half of the residential units located in the
northeast quadrant, half of the residential units located in the southwest quadrant, and half of
the residential units located in the southeast quadrant.
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Phase 3 Opening Year (2030): This phase includes all remaining residential units (all quadrants).
Phase 4 Opening Year (2032): This phase includes the retail C-2 planning area, which completes
the project.
Project construction activities would include site preparation, grading, building construction, paving,
and architectural coating phases of construction. These various sequential phases change the
character of the noise generated on a project site. Therefore, the noise levels vary as construction
progresses. Despite the variety in the type and size of construction equipment, similarities in the
dominant noise sources and patterns of operation allow construction-related noise ranges to be
categorized by work phase. Table H lists the Lmax recommended for noise impact assessments for
typical construction equipment included in the FHWA Highway Construction Noise Handbook (2006),
based on a distance of 50 feet between the equipment and a noise receptor.
Table H: Typical Construction Equipment Noise Levels
Equipment Description Acoustical Usage Factor1
(%)
Maximum Noise Level
(Lmax) at 50 feet2
Backhoe 40 80
Compactor (ground) 20 80
Compressor 40 80
Crane 16 85
Dozer 40 85
Dump Truck 40 84
Excavator 40 85
Flatbed Truck 40 84
Man Lift (Forklift) 20 85
Front-End Loader 40 80
Generator 50 82
Generator (<25kVA, VMS) 50 70
Grader 40 85
Jackhammer 20 85
Pavement Scarifier 20 85
Paver 50 85
Pickup Truck 40 55
Pneumatic Tools 50 85
Pump 50 77
Rock Drill 20 85
Roller 20 85
Scraper 40 85
Tractor 40 84
Welder/Torch 40 73
Source: Table 9.1, FHWA Highway Construction Noise Handbook (FHWA 2006).
Note: The noise levels reported in this table are rounded to the nearest whole number.
1 Usage factor is the percentage of time during a construction noise operation that a piece of construction
equipment is operating at full power.
2 Maximum noise levels were developed based on Specification 721.560 from the CA/T program to be consistent
with the City of Boston, Massachusetts, Noise Code for the “Big Dig” project.
CA/T = Central Artery/Tunnel
FHWA = Federal Highway Administration
kVA = kilovolt-amperes
Lmax = maximum instantaneous noise level
VMS = variable message sign
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Table I lists the anticipated construction equipment for each construction phase within each project
phase based on the CalEEMod (version 2022.1) results contained in Attachment B of the Air Quality
and Greenhouse Gas Impact Analysis Memorandum for the Arboretum Specific Plan Amendment
(LSA 2025). Table I shows the combined noise level at 50 feet from all of the equipment in each
phase and the Leq noise level for each equipment at 50 feet based on the quantity, reference Lmax
noise level at 50 feet, and the acoustical usage factor. As shown in Table I, construction noise levels
would reach up to 87.6 Leq at a distance of 50 feet.
Table I: Summary of Construction Phase, Equipment, and Noise Levels
Project
Phase
Construction
Phase
Construction
Equipment Quantity
Reference
Noise Level
at 50 ft
(dBA Lmax)
Acoustical
Usage
Factor1 (%)
Noise
Level
at 50 ft
(dBA Leq)
Combined
Noise Level
at 50 ft
(dBA Leq)
Phase 1
Site Preparation Dozer 3 85 40 85.8 87.3 Front End Loader 4 80 40 82.0
Grading
Grader 1 85 40 81.0
86.6
Excavator 2 85 40 84.0
Front End Loader 2 80 40 79.0
Scraper 2 85 40 84.0
Dozer 1 85 40 81.0
Building
Construction
Man Lift (Fork Lift) 3 85 20 82.8
86.5
Generator 1 82 50 79.0
Crane 1 85 16 77.0
Welder / Torch 1 73 40 69.0
Front End Loader 3 80 40 80.8
Paving
Paver 2 85 50 85.0
87.6 Pavement
Scarafier 2 85 20 81.0
Roller 2 85 20 81.0
Architectural
Coating Compressor (air) 1 80 40 76.0 76.0
Phase 2,
3, and 4
Building
Construction
Man Lift (Fork Lift) 3 85 20 82.8
86.5
Generator 1 82 50 79.0
Crane 1 85 16 77.0
Welder / Torch 1 73 40 69.0
Front End Loader 3 80 40 80.8
Paving
Paver 2 85 50 85.0
87.6 Pavement
Scarafier 2 85 20 81.0
Roller 2 85 20 81.0
Architectural
Coating Compressor (air) 1 80 40 76.0 76.0
Source: Compiled by LSA (2025).
1 The acoustical usage factor is the percentage of time during a construction noise operation that a piece of construction equipment
operates at full power.
dBA = A-weighted decibels
ft = foot/feet
Leq = equivalent continuous sound level
Lmax = maximum instantaneous noise level
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Table J shows that the construction noise levels at the closest off-site residence and off-site school
properties would reach up to 64.5 dBA Leq and 67.9 dBA Leq, respectively, from the center of the
closest Planning Area. Construction noise is temporary and would stop once project construction is
completed. Furthermore, construction related noise levels would be below the FTA noise level
standard of 80 dBA Leq. However, similar to the EIR, the new elementary school and residences
constructed in the earlier phases would potentially be impacted by project construction activities of
later phases.
Table J: Construction Noise Levels
Land Use Direction
Reference
Noise Level at
50 ft (dBA Leq)
Distance1
(ft)
Distance
Attenuation
(dBA)
Shielding
(dBA)
Noise Level
(dBA Leq)
Residence Northeast 87.6 640 22.1 52 60.5
School East 87.6 485 19.7 0 67.9
Residence East 87.6 445 19.0 53 63.6
Residence South 87.6 410 18.3 54 64.3
Source: Compiled by LSA (2025).
1 Distance from the center of the closest Planning Area to the property line.
2 Existing residences have an 8-ft-high property wall and would provide a minimum noise reduction of 5 dBA.
3 Existing residences have a 7-ft-high property wall and would provide a minimum noise reduction of 5 dBA.
4 Existing residences have a 6-ft-high property wall and would provide a minimum noise reduction of 5 dBA.
dBA = A-weighted decibels
ft = foot/feet
Leq = equivalent continuous sound level
Implementation of Standard Condition 4.6.1 and Mitigation Measures 4.6.1a and 4.6.1b as
identified in the EIR would reduce noise impacts to less than significant. Therefore, noise generated
from project construction activities associated with the proposed project would not result in new or
more significant impacts than what was analyzed in the 2008 Arboretum Specific Plan EIR (as
amended). No additional mitigation measures are required.
Short-Term Construction Vibration Impacts
This construction vibration impact analysis discusses the level of human annoyance using vibration
levels in RMS (VdB) and assesses the potential for building damage using vibration levels in PPV
(in/sec). Vibration levels calculated in RMS velocity are best for characterizing human response to
building vibration, whereas vibration levels in PPV are best for characterizing damage potential.
Table K shows the reference vibration levels at a distance of 25 feet for each type of standard
construction equipment from the Transit Noise and Vibration Impact Assessment Manual (FTA
2018). Project construction is expected to require the use of large bulldozers and loaded trucks,
which would generate ground-borne vibration levels of up to 87 VdB (0.089 PPV [in/sec]) and
86 VdB (0.076 PPV [in/sec]), respectively, when measured at 25 feet.
The greatest vibration levels are anticipated to occur during the site preparation and grading phase.
All other phases are expected to result in lower vibration levels. The distance to the nearest
buildings for vibration impact analysis is measured between the nearest off-site buildings and the
project boundary (assuming the construction equipment would be used at or near the project
boundary) because vibration impacts normally occur within the buildings.
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Table K: Vibration Source Amplitudes for Construction Equipment
Equipment Reference PPV/LV at 25 ft
PPV (in/sec) LV (VdB)1
Pile Driver (Impact), Typical 0.644 104
Pile Driver (Sonic), Typical 0.170 93
Vibratory Roller 0.210 94
Hoe Ram 0.089 87
Large Bulldozer2 0.089 87
Caisson Drilling 0.089 87
Loaded Trucks2 0.076 86
Jackhammer 0.035 79
Small Bulldozer 0.003 58
Source: Transit Noise and Vibration Impact Assessment Manual (FTA 2018).
1 RMS vibration velocity in decibels (VdB) is 1 µin/sec.
2 The equipment shown in bold is expected to be used on site.
µin/sec = microinches per second
ft = foot/feet
FTA = Federal Transit Administration
in/sec = inches per second
LV = vibration velocity in decibels
PPV = peak particle velocity
RMS = root-mean-square
VdB = vibration velocity decibels
The formula for vibration transmission is provided below:
LvdB (D) = LvdB (25 ft) - 30 Log (D/25)
PPVequip = PPVref x (25/D)1.5
Table L lists the projected vibration levels from various construction equipment expected to be used
on the project site in the active construction area to the nearest buildings in the project vicinity. As
shown in Table L, the closest building structure is approximately 425 feet from the center of the
project site and would experience a vibration level of up to 50 VdB. This vibration level would not
have the potential to result in community annoyance because vibration levels would not exceed the
FTA community annoyance threshold of 78 VdB for daytime residences. The school was evaluated
using the FTA community annoyance threshold of 78 VdB for daytime residences because schools
would have similar vibration sensitivity as daytime residences. Other existing building structures
that surround the project site would experience lower vibration levels because they are farther
away. In addition, project construction activities would not result in annoyance to on-site building
structures because site preparation and grading activities, which generate the highest vibration
levels, would either be completed before the construction of on-site buildings or new on-site
building structures would not yet be occupied.
Similarly, Table M lists the projected vibration levels from various construction equipment expected
to be used on the project site at the project construction boundary to the nearest buildings in the
project vicinity. As shown in Tabl e M, the closest building structure is approximately 130 feet from
the project construction boundary and would experience a vibration level of up to 0.008 PPV
(in/sec). This vibration level would not have the potential to result in building damage because the
building is conservatively assumed to be constructed of non-engineered timber and masonry or
better, and the anticipated project-related vibration levels would not exceed the FTA vibration
damage threshold of 0.20 PPV (in/sec). Other existing building structures that surround the project
site would experience lower vibration levels because they are farther away and are also
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Table L: Potential Construction Vibration Annoyance
Land Use Direction Equipment/
Activity
Reference
Vibration Level
(VdB) at 25 ft
Distance to
Structure (ft)1
Vibration Level
(VdB)
Residence Northeast Large bulldozers 87 700 44
Loaded trucks 86 700 43
School East Large bulldozers 87 535 47
Loaded trucks 86 535 46
Residence East Large bulldozers 87 460 49
Loaded trucks 86 460 48
Residence South Large bulldozers 87 425 50
Loaded trucks 86 425 49
Source: Compiled by LSA (2025).
Note: The FTA community annoyance threshold for daytime residences is 78 VdB.
1 Distance from the center of the project site to the building structure.
ft = foot/feet
FTA = Federal Transit Administration
VdB = vibration velocity decibels
Table M: Potential Construction Vibration Damage
Land Use Direction Equipment/
Activity
Reference
Vibration Level
at 25 ft
Distance to
Structure1 (ft)
Vibration Level
PPV (in/sec) PPV (in/sec)
Residence Northeast Large bulldozers 0.089 265 0.003
Loaded trucks 0.076 265 0.002
School East Large bulldozers 0.089 205 0.004
Loaded trucks 0.076 205 0.003
Residence East Large bulldozers 0.089 140 0.007
Loaded trucks 0.076 140 0.006
Residence South Large bulldozers 0.089 130 0.008
Loaded trucks 0.076 130 0.006
Source: Compiled by LSA (2025).
Note: The FTA-recommended building damage threshold is 0.20 PPV (in/sec) for non-engineered timber and masonry buildings.
1 Distance from the project construction boundary to the building structure.
ft = foot/feet
FTA = Federal Transit Administration
in/sec = inches per second
PPV = peak particle velocity
conservatively assumed to be constructed of non-engineered timber and masonry or better, and the
anticipated project-related vibration levels would not exceed the FTA vibration damage threshold of
0.20 PPV (in/sec).
In addition, vibration levels generated from project construction activities of later phases would not
have the potential to damage on-site building structures constructed in earlier phases because site
preparation and grading activities, which generate the highest vibration levels, would be completed
before the construction of on-site buildings. Therefore, vibration levels generated from project
construction activities associated with the proposed project would not result in new or more
significant impacts than what was analyzed in the 2008 Arboretum Specific Plan EIR (as amended).
No additional mitigation measures are required.
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Long-Term Aircraft Noise Impacts
The closest airport to the project site is the Rialto Municipal Airport, which is 2.8 miles southeast of
the Resort Village Planning Area. However, this airport has been closed and redeveloped for
non-airport uses. The next closest airport is Ontario International Airport, which is 11.2 miles
southwest of the Resort Village Planning Area. The Compatibility Policy Map: Noise Impact Zones
from the LA/Ontario International Airport Land Use Compatibility Plan (City of Ontario 2011) shows
that the project site is outside the 60 to 65 dBA CNEL noise contour. In addition, there are no private
airstrips within 2 miles of the project site. Based on the information above, the proposed Specific
Plan Amendment would not expose people working or residing in the project vicinity to aviation-
related excessive noise levels. The Arboretum Specific Plan EIR concluded that aircraft noise is
expected to be less than significant due to the substantial distance between the approved project,
which includes the Resort Village Planning Area, and Ontario International Airport. Therefore, the
proposed project would not result in new or more significant impacts regarding aircraft noise than
what was analyzed in the 2008 Arboretum Specific Plan EIR (as amended).
Long-Term Traffic Noise Impacts
The FHWA Highway Traffic Noise Prediction Model (FHWA RD-77-108) was used to evaluate traffic-
related noise conditions along roadways in the project vicinity. This model requires various
parameters, including traffic volumes, vehicle mix, vehicle speed, and roadway geometry, to
compute typical equivalent noise levels during daytime, evening, and nighttime hours. The resulting
noise levels are weighted and summed over 24-hour periods to determine the CNEL values. The
Opening Year (2026) Phase 1, 2028 Phase 2, 2030 Phase 3, 2032 Phase 4, and 2050 without and with
project ADT volumes were derived from The Resort Village Traffic Impact Analysis (Translutions
2025). The standard vehicle mix for Southern California roadways obtained from Appendix I-1 of the
Riverside County General Plan (County of Riverside 2015) was used for traffic on these roadway
segments. Tables N, O, P, Q, and R list the traffic noise levels for the Opening Year (2026) Phase 1,
2028 Phase 2, 2030 Phase 3, 2032 Phase 4, and 2050 without and with project scenarios,
respectively. These noise levels represent the worst-case scenario, which assumes that no shielding
is provided between the traffic and the location where the noise contours are drawn. The specific
assumptions used in developing these noise levels and the model printouts are provided in
Attachment D.
Off-Site Traffic Noise
Tables N, O, P, Q, and R show that the project-related traffic would increase noise by up to 2.3 dBA.
This noise increase would not be perceptible to the human ear in an outdoor environment. In
addition, this noise increase would be slightly less than the 2008 Arboretum Specific Plan EIR (as
amended). Therefore, the proposed project would not result in new or more significant impacts
regarding project-related traffic noise than what was analyzed in the 2008 Arboretum Specific Plan
EIR (as amended). No additional mitigation measures are required.
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Table N: Opening Year (2026) Phase 1 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Duncan Canyon Road Between I-15
NB Ramps and John Previti Avenue 12,255 < 50 90 185 65.9 13,275 < 50 94 195 66.2 0.3
Duncan Canyon Road Between John
Previti Avenue and Citrus Avenue 11,955 < 50 84 180 67.7 13,005 < 50 89 191 68.0 0.3
Duncan Canyon Road Between
Citrus Avenue and Arboretum
Avenue
6,275 < 50 < 50 78 62.2 7,720 < 50 < 50 89 63.1 0.9
Duncan Canyon Road Between
Arboretum Avenue and Cypress
Avenue
5,155 < 50 < 50 68 61.3 6,705 < 50 < 50 81 62.5 1.2
Duncan Canyon Road Between
Cypress Avenue and Elementary
School Driveway 3
4,870 < 50 < 50 66 61.1 6,580 < 50 < 50 80 62.4 1.3
Duncan Canyon Road Between
Elementary School Driveway 3 and
Cassava Drive
4,940 < 50 < 50 66 61.1 6,195 < 50 < 50 77 62.1 1.0
Duncan Canyon Road Between
Cassava Drive and Sierra Avenue 5,105 < 50 < 50 69 60.7 6,315 < 50 < 50 79 61.6 0.9
Duncan Canyon Road East of Sierra
Avenue 670 < 50 < 50 < 50 49.0 670 < 50 < 50 < 50 49.0 0.0
Sierra Avenue Between I-15 NB
Ramps and Riverside Avenue 22,700 87 181 388 71.1 23,350 88 185 395 71.3 0.2
Sierra Avenue Between Riverside
Avenue and Grapeland Street-
Segovia Avenue
12,390 56 120 259 70.0 13,990 61 130 281 70.5 0.5
Sierra Avenue Between Grapeland
Street-Segovia Avenue and C-1
Retail Driveway 1
12,300 59 121 258 68.8 13,910 63 131 280 69.3 0.5
Sierra Avenue Between C-1 Retail
Driveway 1 and Terra Vista Drive 12,300 59 121 258 68.8 13,960 64 131 281 69.3 0.5
Sierra Avenue Between Terra Vista
Drive and C-2 Retail Driveway 2 15,855 70 143 306 69.6 18,600 77 159 340 70.3 0.7
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Table N: Opening Year (2026) Phase 1 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Sierra Avenue Between C-2 Retail
Driveway 2 and Duncan Canyon
Road
15,860 70 143 306 69.6 18,610 77 159 340 70.3 0.7
Sierra Avenue Between Duncan
Canyon Road and Fieldcress Drive 14,555 66 136 289 69.2 16,125 71 145 309 69.7 0.5
Sierra Avenue Between Fieldcress
Drive and Casa Grande Drive 14,475 66 135 288 69.2 16,045 70 145 308 69.6 0.4
Sierra Avenue Between Casa Grande
Drive and Summit Avenue 15,115 68 139 296 69.4 16,105 71 145 309 69.7 0.3
Sierra Avenue South of Summit
Avenue 18,820 83 163 343 69.5 19,620 85 167 353 69.7 0.2
Citrus Avenue Between Duncan
Canyon Road and Casa Grande Drive 8,165 < 50 69 142 64.5 8,395 < 50 70 144 64.6 0.1
Citrus Avenue South of Casa Grande
Drive 7,930 < 50 69 140 64.1 8,420 < 50 72 145 64.4 0.3
Cypress Avenue Between Duncan
Canyon Road and Gardens Street 1,620 < 50 < 50 < 50 54.8 2,270 < 50 < 50 < 50 56.3 1.5
Cypress Avenue Between Gardens
Street and Casa Grande Drive 1,955 < 50 < 50 < 50 55.6 2,480 < 50 < 50 < 50 56.6 1.0
Duncan Canyon Road Between I-15
NB Ramps and John Previti Avenue 12,255 < 50 90 185 65.9 13,275 < 50 94 195 66.2 0.3
Duncan Canyon Road Between John
Previti Avenue and Citrus Avenue 11,955 < 50 84 180 67.7 13,005 < 50 89 191 68.0 0.3
Duncan Canyon Road Between
Citrus Avenue and Arboretum
Avenue
6,275 < 50 < 50 78 62.2 7,720 < 50 < 50 89 63.1 0.9
Duncan Canyon Road Between
Arboretum Avenue and Cypress
Avenue
5,155 < 50 < 50 68 61.3 6,705 < 50 < 50 81 62.5 1.2
Duncan Canyon Road Between
Cypress Avenue and Elementary
School Driveway 3
4,870 < 50 < 50 66 61.1 6,580 < 50 < 50 80 62.4 1.3
23
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table N: Opening Year (2026) Phase 1 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Duncan Canyon Road Between
Elementary School Driveway 3 and
Cassava Drive
4,940 < 50 < 50 66 61.1 6,195 < 50 < 50 77 62.1 1.0
Duncan Canyon Road Between
Cassava Drive and Sierra Avenue 5,105 < 50 < 50 69 60.7 6,315 < 50 < 50 79 61.6 0.9
Duncan Canyon Road East of Sierra
Avenue 670 < 50 < 50 < 50 49.0 670 < 50 < 50 < 50 49.0 0.0
Sierra Avenue Between I-15 NB
Ramps and Riverside Avenue 22,700 87 181 388 71.1 23,350 88 185 395 71.3 0.2
Sierra Avenue Between Riverside
Avenue and Grapeland Street-
Segovia Avenue
12,390 56 120 259 70.0 13,990 61 130 281 70.5 0.5
Sierra Avenue Between Grapeland
Street-Segovia Avenue and C-1
Retail Driveway 1
12,300 59 121 258 68.8 13,910 63 131 280 69.3 0.5
Sierra Avenue Between C-1 Retail
Driveway 1 and Terra Vista Drive 12,300 59 121 258 68.8 13,960 64 131 281 69.3 0.5
Sierra Avenue Between Terra Vista
Drive and C-2 Retail Driveway 2 15,855 70 143 306 69.6 18,600 77 159 340 70.3 0.7
Sierra Avenue Between C-2 Retail
Driveway 2 and Duncan Canyon
Road
15,860 70 143 306 69.6 18,610 77 159 340 70.3 0.7
Sierra Avenue Between Duncan
Canyon Road and Fieldcress Drive 14,555 66 136 289 69.2 16,125 71 145 309 69.7 0.5
Sierra Avenue Between Fieldcress
Drive and Casa Grande Drive 14,475 66 135 288 69.2 16,045 70 145 308 69.6 0.4
Sierra Avenue Between Casa Grande
Drive and Summit Avenue 15,115 68 139 296 69.4 16,105 71 145 309 69.7 0.3
Sierra Avenue South of Summit
Avenue 18,820 83 163 343 69.5 19,620 85 167 353 69.7 0.2
Citrus Avenue Between Duncan
Canyon Road and Casa Grande Drive 8,165 < 50 69 142 64.5 8,395 < 50 70 144 64.6 0.1
24
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table N: Opening Year (2026) Phase 1 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Citrus Avenue South of Casa Grande
Drive 7,930 < 50 69 140 64.1 8,420 < 50 72 145 64.4 0.3
Cypress Avenue Between Grapeland
Street and Arboretum Avenue --1 -- -- -- -- -- -- -- -- -- --
Cypress Avenue Between
Arboretum Avenue and Terra Vista
Drive
-- -- -- -- -- -- -- -- -- -- --
Cypress Avenue Between Terra Vista
Drive and Elementary School North
Driveway
-- -- -- -- -- -- -- -- -- -- --
Cypress Avenue Between
Elementary School North Driveway
and Elementary School South
Driveway
-- -- -- -- -- 870 < 50 < 50 < 50 53.6 N/A
Cypress Avenue Between
Elementary School South Driveway
and Duncan Canyon Road
-- -- -- -- -- 625 < 50 < 50 < 50 52.2 N/A
Cypress Avenue Between Duncan
Canyon Road and Gardens Street 1,595 < 50 < 50 < 50 54.7 2,295 < 50 < 50 < 50 56.3 1.6
Cypress Avenue Between Gardens
Street and Casa Grande Drive 1,955 < 50 < 50 < 50 55.6 2,480 < 50 < 50 < 50 56.6 1.0
Grapeland Street Between Cypress
Avenue and Cassava Drive -- -- -- -- -- -- -- -- -- -- --
Grapeland Street Between Cassava
Drive and Sierra Avenue -- -- -- -- -- -- -- -- -- -- --
Source: Compiled by LSA (2025).
Note: Traffic noise within 50 ft of the roadway centerline should be evaluated with site-specific information.
1 Roadway segment does not exist under this condition.
ADT = average daily traffic
CNEL = Community Noise Equivalent Level
dBA = A-weighted decibel
ft = foot/feet
I-15 = Interstate 15
Ldn = day-night average noise level
N/A = Not Applicable
NB = northbound
25
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table O: Opening Year (2028) Phase 2 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Duncan Canyon Road Between I-15
NB Ramps and John Previti Avenue 13,665 < 50 96 199 66.4 14,985 < 50 102 211 66.8 0.4
Duncan Canyon Road Between John
Previti Avenue and Citrus Avenue 12,935 < 50 88 190 68.0 14,435 < 50 95 205 68.5 0.5
Duncan Canyon Road Between
Citrus Avenue and Arboretum
Avenue
7,300 < 50 < 50 86 62.8 9,330 < 50 < 50 101 63.9 1.1
Duncan Canyon Road Between
Arboretum Avenue and Cypress
Avenue
5,945 < 50 < 50 75 61.9 8,085 < 50 < 50 92 63.3 1.4
Duncan Canyon Road Between
Cypress Avenue and Elementary
School Driveway 3
5,960 < 50 < 50 75 61.9 7,990 < 50 < 50 91 63.2 1.3
Duncan Canyon Road Between
Elementary School Driveway 3 and
Cassava Drive
5,990 < 50 < 50 76 62.0 7,750 < 50 < 50 90 63.1 1.1
Duncan Canyon Road Between
Cassava Drive and Sierra Avenue 6,615 < 50 < 50 81 61.8 7,925 < 50 < 50 91 62.6 0.8
Duncan Canyon Road East of Sierra
Avenue 680 < 50 < 50 < 50 49.1 680 < 50 < 50 < 50 49.1 0.0
Sierra Avenue Between I-15 NB
Ramps and Riverside Avenue 24,505 91 191 408 71.5 25,440 93 195 418 71.6 0.1
Sierra Avenue Between Riverside
Avenue and Grapeland Street-
Segovia Avenue
13,255 59 126 271 70.3 15,295 64 138 298 70.9 0.6
Sierra Avenue Between Grapeland
Street-Segovia Avenue and C-1
Retail Driveway 1
13,160 61 127 270 69.1 15,545 68 141 301 69.8 0.7
Sierra Avenue Between C-1 Retail
Driveway 1 and Terra Vista Drive 13,150 61 126 270 69.1 15,145 67 139 296 69.7 0.6
Sierra Avenue Between Terra Vista
Drive and C-2 Retail Driveway 2 16,480 72 147 313 69.8 19,820 80 166 354 70.6 0.8
26
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table O: Opening Year (2028) Phase 2 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Sierra Avenue Between C-2 Retail
Driveway 2 and Duncan Canyon
Road
16,480 72 147 313 69.8 19,590 79 165 352 70.5 0.7
Sierra Avenue Between Duncan
Canyon Road and Fieldcress Drive 15,150 68 139 296 69.4 17,510 74 153 326 70.0 0.6
Sierra Avenue Between Fieldcress
Drive and Casa Grande Drive 15,055 68 139 295 69.4 17,410 74 152 325 70.0 0.6
Sierra Avenue Between Casa Grande
Drive and Summit Avenue 16,430 71 147 313 69.7 18,205 76 157 335 70.2 0.5
Sierra Avenue South of Summit
Avenue 20,180 86 170 359 69.8 21,750 89 178 377 70.1 0.3
Citrus Avenue Between Duncan
Canyon Road and Casa Grande Drive 9,770 < 50 77 159 65.3 10,120 < 50 79 163 65.4 0.1
Citrus Avenue South of Casa Grande
Drive 10,050 < 50 80 163 65.1 10,720 < 50 83 170 65.4 0.3
Cypress Avenue Between Duncan
Canyon Road and Gardens Street 1,900 < 50 < 50 < 50 55.5 2,380 < 50 < 50 < 50 56.5 1.0
Cypress Avenue Between Gardens
Street and Casa Grande Drive 2,245 < 50 < 50 < 50 56.2 2,580 < 50 < 50 < 50 56.8 0.6
Duncan Canyon Road Between I-15
NB Ramps and John Previti Avenue 13,665 < 50 96 199 66.4 14,985 < 50 102 211 66.8 0.4
Duncan Canyon Road Between John
Previti Avenue and Citrus Avenue 12,935 < 50 88 190 68.0 14,435 < 50 95 205 68.5 0.5
Duncan Canyon Road Between
Citrus Avenue and Arboretum
Avenue
7,300 < 50 < 50 86 62.8 9,330 < 50 < 50 101 63.9 1.1
Duncan Canyon Road Between
Arboretum Avenue and Cypress
Avenue
5,945 < 50 < 50 75 61.9 8,085 < 50 < 50 92 63.3 1.4
Duncan Canyon Road Between
Cypress Avenue and Elementary
School Driveway 3
5,960 < 50 < 50 75 61.9 7,990 < 50 < 50 91 63.2 1.3
27
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table O: Opening Year (2028) Phase 2 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Duncan Canyon Road Between
Elementary School Driveway 3 and
Cassava Drive
5,990 < 50 < 50 76 62.0 7,750 < 50 < 50 90 63.1 1.1
Duncan Canyon Road Between
Cassava Drive and Sierra Avenue 6,615 < 50 < 50 81 61.8 7,925 < 50 < 50 91 62.6 0.8
Duncan Canyon Road East of Sierra
Avenue 680 < 50 < 50 < 50 49.1 680 < 50 < 50 < 50 49.1 0.0
Sierra Avenue Between I-15 NB
Ramps and Riverside Avenue 24,505 91 191 408 71.5 25,440 93 195 418 71.6 0.1
Sierra Avenue Between Riverside
Avenue and Grapeland Street-
Segovia Avenue
13,255 59 126 271 70.3 15,295 64 138 298 70.9 0.6
Sierra Avenue Between Grapeland
Street-Segovia Avenue and C-1
Retail Driveway 1
13,160 61 127 270 69.1 15,545 68 141 301 69.8 0.7
Sierra Avenue Between C-1 Retail
Driveway 1 and Terra Vista Drive 13,150 61 126 270 69.1 15,145 67 139 296 69.7 0.6
Sierra Avenue Between Terra Vista
Drive and C-2 Retail Driveway 2 16,480 72 147 313 69.8 19,820 80 166 354 70.6 0.8
Sierra Avenue Between C-2 Retail
Driveway 2 and Duncan Canyon
Road
16,480 72 147 313 69.8 19,590 79 165 352 70.5 0.7
Sierra Avenue Between Duncan
Canyon Road and Fieldcress Drive 15,150 68 139 296 69.4 17,510 74 153 326 70.0 0.6
Sierra Avenue Between Fieldcress
Drive and Casa Grande Drive 15,055 68 139 295 69.4 17,410 74 152 325 70.0 0.6
Sierra Avenue Between Casa Grande
Drive and Summit Avenue 16,430 71 147 313 69.7 18,205 76 157 335 70.2 0.5
Sierra Avenue South of Summit
Avenue 20,180 86 170 359 69.8 21,750 89 178 377 70.1 0.3
Citrus Avenue Between Duncan
Canyon Road and Casa Grande Drive 9,770 < 50 77 159 65.3 10,120 < 50 79 163 65.4 0.1
28
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table O: Opening Year (2028) Phase 2 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Citrus Avenue South of Casa Grande
Drive 10,050 < 50 80 163 65.1 10,720 < 50 83 170 65.4 0.3
Cypress Avenue Between Grapeland
Street and Arboretum Avenue --1 -- -- -- -- -- -- -- -- -- --
Cypress Avenue Between
Arboretum Avenue and Terra Vista
Drive
-- -- -- -- -- -- -- -- -- -- --
Cypress Avenue Between Terra Vista
Drive and Elementary School North
Driveway
-- -- -- -- -- 250 < 50 < 50 < 50 48.2 N/A
Cypress Avenue Between
Elementary School North Driveway
and Elementary School South
Driveway
-- -- -- -- -- 1,005 < 50 < 50 < 50 54.2 N/A
Cypress Avenue Between
Elementary School South Driveway
and Duncan Canyon Road
-- -- -- -- -- 740 < 50 < 50 < 50 52.9 N/A
Cypress Avenue Between Duncan
Canyon Road and Gardens Street 1,925 < 50 < 50 < 50 55.5 2,410 < 50 < 50 < 50 56.5 1.0
Cypress Avenue Between Gardens
Street and Casa Grande Drive 2,245 < 50 < 50 < 50 56.2 2,580 < 50 < 50 < 50 56.8 0.6
Grapeland Street Between Cypress
Avenue and Cassava Drive -- -- -- -- -- -- -- -- -- -- --
Grapeland Street Between Cassava
Drive and Sierra Avenue -- -- -- -- -- 1,130 < 50 < 50 < 50 54.7 N/A
Source: Compiled by LSA (2025).
Note: Traffic noise within 50 ft of the roadway centerline should be evaluated with site-specific information.
1 Roadway segment does not exist under this condition.
ADT = average daily traffic
CNEL = Community Noise Equivalent Level
dBA = A-weighted decibel
ft = foot/feet
I-15 = Interstate 15
Ldn = day-night average noise level
N/A = Not Applicable
NB = northbound
29
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table P: Opening Year (2030) Phase 3 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Duncan Canyon Road Between I-15
NB Ramps and John Previti Avenue 14,780 < 50 101 209 66.7 18,025 59 114 238 67.6 0.9
Duncan Canyon Road Between John
Previti Avenue and Citrus Avenue 13,895 < 50 93 199 68.3 17,190 < 50 107 230 69.2 0.9
Duncan Canyon Road Between
Citrus Avenue and Arboretum
Avenue
8,310 < 50 < 50 94 63.4 12,490 < 50 57 123 65.2 1.8
Duncan Canyon Road Between
Arboretum Avenue and Cypress
Avenue
6,730 < 50 < 50 82 62.5 11,125 < 50 53 114 64.7 2.2
Duncan Canyon Road Between
Cypress Avenue and Elementary
School Driveway 3
7,010 < 50 < 50 84 62.7 10,665 < 50 52 111 64.5 1.8
Duncan Canyon Road Between
Elementary School Driveway 3 and
Cassava Drive
7,060 < 50 < 50 84 62.7 10,735 < 50 52 111 64.5 1.8
Duncan Canyon Road Between
Cassava Drive and Sierra Avenue 8,150 < 50 < 50 93 62.7 10,390 < 50 52 109 63.8 1.1
Duncan Canyon Road East of Sierra
Avenue 700 < 50 < 50 < 50 49.2 700 < 50 < 50 < 50 49.2 0.0
Sierra Avenue Between I-15 NB
Ramps and Riverside Avenue 26,300 95 200 427 71.8 28,400 100 210 450 72.1 0.3
Sierra Avenue Between Riverside
Avenue and Grapeland Street-
Segovia Avenue
14,105 61 131 282 70.6 18,275 73 156 336 71.7 1.1
Sierra Avenue Between Grapeland
Street-Segovia Avenue and C-1
Retail Driveway 1
14,010 64 132 281 69.3 18,510 76 158 338 70.5 1.2
Sierra Avenue Between C-1 Retail
Driveway 1 and Terra Vista Drive 14,000 64 132 281 69.3 18,115 75 156 334 70.4 1.1
Sierra Avenue Between Terra Vista
Drive and C-2 Retail Driveway 2 17,090 73 151 321 69.9 22,800 87 182 389 71.2 1.3
30
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table P: Opening Year (2030) Phase 3 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Sierra Avenue Between C-2 Retail
Driveway 2 and Duncan Canyon
Road
17,095 73 151 321 69.9 22,830 87 182 389 71.2 1.3
Sierra Avenue Between Duncan
Canyon Road and Fieldcress Drive 15,755 70 143 304 69.6 21,215 83 173 371 70.8 1.2
Sierra Avenue Between Fieldcress
Drive and Casa Grande Drive 15,645 69 142 303 69.5 21,095 83 173 369 70.8 1.3
Sierra Avenue Between Casa Grande
Drive and Summit Avenue 17,760 75 154 329 70.1 22,285 86 179 383 71.1 1.0
Sierra Avenue South of Summit
Avenue 21,510 89 177 375 70.1 25,680 98 198 421 70.9 0.8
Citrus Avenue Between Duncan
Canyon Road and Casa Grande Drive 11,360 < 50 84 176 65.9 12,045 < 50 87 183 66.2 0.3
Citrus Avenue South of Casa Grande
Drive 12,150 < 50 89 184 66.0 13,180 < 50 93 194 66.3 0.3
Cypress Avenue Between Duncan
Canyon Road and Gardens Street 2,200 < 50 < 50 < 50 56.1 2,420 < 50 < 50 < 50 56.5 0.4
Cypress Avenue Between Gardens
Street and Casa Grande Drive 2,550 < 50 < 50 < 50 56.8 2,720 < 50 < 50 < 50 57.0 0.2
Duncan Canyon Road Between I-15
NB Ramps and John Previti Avenue 14,780 < 50 101 209 66.7 18,025 59 114 238 67.6 0.9
Duncan Canyon Road Between John
Previti Avenue and Citrus Avenue 13,895 < 50 93 199 68.3 17,190 < 50 107 230 69.2 0.9
Duncan Canyon Road Between
Citrus Avenue and Arboretum
Avenue
8,310 < 50 < 50 94 63.4 12,490 < 50 57 123 65.2 1.8
Duncan Canyon Road Between
Arboretum Avenue and Cypress
Avenue
6,730 < 50 < 50 82 62.5 11,125 < 50 53 114 64.7 2.2
Duncan Canyon Road Between
Cypress Avenue and Elementary
School Driveway 3
7,010 < 50 < 50 84 62.7 10,665 < 50 52 111 64.5 1.8
31
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table P: Opening Year (2030) Phase 3 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Duncan Canyon Road Between
Elementary School Driveway 3 and
Cassava Drive
7,060 < 50 < 50 84 62.7 10,735 < 50 52 111 64.5 1.8
Duncan Canyon Road Between
Cassava Drive and Sierra Avenue 8,150 < 50 < 50 93 62.7 10,390 < 50 52 109 63.8 1.1
Duncan Canyon Road East of Sierra
Avenue 700 < 50 < 50 < 50 49.2 700 < 50 < 50 < 50 49.2 0.0
Sierra Avenue Between I-15 NB
Ramps and Riverside Avenue 26,300 95 200 427 71.8 28,400 100 210 450 72.1 0.3
Sierra Avenue Between Riverside
Avenue and Grapeland Street-
Segovia Avenue
14,105 61 131 282 70.6 18,275 73 156 336 71.7 1.1
Sierra Avenue Between Grapeland
Street-Segovia Avenue and C-1
Retail Driveway 1
14,010 64 132 281 69.3 18,510 76 158 338 70.5 1.2
Sierra Avenue Between C-1 Retail
Driveway 1 and Terra Vista Drive 14,000 64 132 281 69.3 18,115 75 156 334 70.4 1.1
Sierra Avenue Between Terra Vista
Drive and C-2 Retail Driveway 2 17,090 73 151 321 69.9 22,800 87 182 389 71.2 1.3
Sierra Avenue Between C-2 Retail
Driveway 2 and Duncan Canyon
Road
17,095 73 151 321 69.9 22,830 87 182 389 71.2 1.3
Sierra Avenue Between Duncan
Canyon Road and Fieldcress Drive 15,755 70 143 304 69.6 21,215 83 173 371 70.8 1.2
Sierra Avenue Between Fieldcress
Drive and Casa Grande Drive 15,645 69 142 303 69.5 21,095 83 173 369 70.8 1.3
Sierra Avenue Between Casa Grande
Drive and Summit Avenue 17,760 75 154 329 70.1 22,285 86 179 383 71.1 1.0
Sierra Avenue South of Summit
Avenue 21,510 89 177 375 70.1 25,680 98 198 421 70.9 0.8
Citrus Avenue Between Duncan
Canyon Road and Casa Grande Drive 11,360 < 50 84 176 65.9 12,045 < 50 87 183 66.2 0.3
32
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table P: Opening Year (2030) Phase 3 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Citrus Avenue South of Casa Grande
Drive 12,150 < 50 89 184 66.0 13,180 < 50 93 194 66.3 0.3
Cypress Avenue Between Grapeland
Street and Arboretum Avenue --1 -- -- -- -- 450 < 50 < 50 < 50 50.7 N/A
Cypress Avenue Between
Arboretum Avenue and Terra Vista
Drive
-- -- -- -- -- 490 < 50 < 50 < 50 51.1 N/A
Cypress Avenue Between Terra Vista
Drive and Elementary School North
Driveway
-- -- -- -- -- 930 < 50 < 50 < 50 53.9 N/A
Cypress Avenue Between
Elementary School North Driveway
and Elementary School South
Driveway
-- -- -- -- -- 1,385 < 50 < 50 < 50 55.6 N/A
Cypress Avenue Between
Elementary School South Driveway
and Duncan Canyon Road
-- -- -- -- -- 1,070 < 50 < 50 < 50 54.5 N/A
Cypress Avenue Between Duncan
Canyon Road and Gardens Street 2,220 < 50 < 50 < 50 56.2 2,475 < 50 < 50 < 50 56.6 0.4
Cypress Avenue Between Gardens
Street and Casa Grande Drive 2,550 < 50 < 50 < 50 56.8 2,720 < 50 < 50 < 50 57.0 0.2
Grapeland Street Between Cypress
Avenue and Cassava Drive -- -- -- -- -- 290 < 50 < 50 < 50 48.8 N/A
Grapeland Street Between Cassava
Drive and Sierra Avenue -- -- -- -- -- 3,275 < 50 < 50 51 59.3 N/A
Source: Compiled by LSA (2025).
Note: Traffic noise within 50 ft of the roadway centerline should be evaluated with site-specific information.
1 Roadway segment does not exist under this condition.
ADT = average daily traffic
CNEL = Community Noise Equivalent Level
dBA = A-weighted decibel
ft = foot/feet
I-15 = Interstate 15
Ldn = day-night average noise level
N/A = Not Applicable
NB = northbound
33
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table Q: Opening Year (2032) Phase 4 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Duncan Canyon Road Between I-15
NB Ramps and John Previti Avenue 16,040 < 50 106 221 67.1 19,910 62 121 255 68.0 0.9
Duncan Canyon Road Between John
Previti Avenue and Citrus Avenue 14,875 < 50 97 209 68.6 18,830 53 113 244 69.6 1.0
Duncan Canyon Road Between
Citrus Avenue and Arboretum
Avenue
9,330 < 50 < 50 101 63.9 14,355 < 50 63 135 65.8 1.9
Duncan Canyon Road Between
Arboretum Avenue and Cypress
Avenue
7,520 < 50 < 50 88 63.0 12,760 < 50 58 125 65.3 2.3
Duncan Canyon Road Between
Cypress Avenue and Elementary
School Driveway 3
8,080 < 50 < 50 92 63.3 12,740 < 50 58 125 65.2 1.9
Duncan Canyon Road Between
Elementary School Driveway 3 and
Cassava Drive
8,120 < 50 < 50 92 63.3 12,800 < 50 58 125 65.3 2.0
Duncan Canyon Road Between
Cassava Drive and Sierra Avenue 9,665 < 50 < 50 104 63.5 14,600 < 50 64 137 65.3 1.8
Duncan Canyon Road East of Sierra
Avenue 710 < 50 < 50 < 50 49.2 710 < 50 < 50 < 50 49.2 0.0
Sierra Avenue Between I-15 NB
Ramps and Riverside Avenue 28,105 99 208 447 72.1 35,710 115 244 524 73.1 1.0
Sierra Avenue Between Riverside
Avenue and Grapeland Street-
Segovia Avenue
14,965 64 136 294 70.8 20,560 78 169 363 72.2 1.4
Sierra Avenue Between Grapeland
Street-Segovia Avenue and C-1
Retail Driveway 1
14,850 66 137 292 69.6 20,880 81 171 367 71.1 1.5
Sierra Avenue Between C-1 Retail
Driveway 1 and Terra Vista Drive 14,850 66 137 292 69.6 21,275 82 173 371 71.1 1.5
Sierra Avenue Between Terra Vista
Drive and C-2 Retail Driveway 2 17,710 75 154 329 70.1 25,680 94 196 421 71.7 1.6
34
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table Q: Opening Year (2032) Phase 4 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Sierra Avenue Between C-2 Retail
Driveway 2 and Duncan Canyon
Road
17,710 75 154 329 70.1 26,730 96 202 432 71.9 1.8
Sierra Avenue Between Duncan
Canyon Road and Fieldcress Drive 16,360 71 146 312 69.7 22,990 87 183 391 71.2 1.5
Sierra Avenue Between Fieldcress
Drive and Casa Grande Drive 16,210 71 145 310 69.7 22,840 87 182 389 71.2 1.5
Sierra Avenue Between Casa Grande
Drive and Summit Avenue 19,075 78 162 345 70.4 24,165 90 189 404 71.4 1.0
Sierra Avenue South of Summit
Avenue 22,870 92 184 390 70.3 27,410 102 207 440 71.1 0.8
Citrus Avenue Between Duncan
Canyon Road and Casa Grande Drive 12,960 < 50 91 191 66.5 13,750 < 50 95 199 66.8 0.3
Citrus Avenue South of Casa Grande
Drive 14,250 < 50 98 204 66.7 15,640 < 50 104 217 67.1 0.4
Cypress Avenue Between Duncan
Canyon Road and Gardens Street 2,490 < 50 < 50 < 50 56.7 2,760 < 50 < 50 < 50 57.1 0.4
Cypress Avenue Between Gardens
Street and Casa Grande Drive 2,845 < 50 < 50 < 50 57.2 3,065 < 50 < 50 < 50 57.6 0.4
Duncan Canyon Road Between I-15
NB Ramps and John Previti Avenue 16,040 < 50 106 221 67.1 19,910 62 121 255 68.0 0.9
Duncan Canyon Road Between John
Previti Avenue and Citrus Avenue 14,875 < 50 97 209 68.6 18,830 53 113 244 69.6 1.0
Duncan Canyon Road Between
Citrus Avenue and Arboretum
Avenue
9,330 < 50 < 50 101 63.9 14,355 < 50 63 135 65.8 1.9
Duncan Canyon Road Between
Arboretum Avenue and Cypress
Avenue
7,520 < 50 < 50 88 63.0 12,760 < 50 58 125 65.3 2.3
Duncan Canyon Road Between
Cypress Avenue and Elementary
School Driveway 3
8,080 < 50 < 50 92 63.3 12,740 < 50 58 125 65.2 1.9
35
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table Q: Opening Year (2032) Phase 4 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Duncan Canyon Road Between
Elementary School Driveway 3 and
Cassava Drive
8,120 < 50 < 50 92 63.3 12,800 < 50 58 125 65.3 2.0
Duncan Canyon Road Between
Cassava Drive and Sierra Avenue 9,665 < 50 < 50 104 63.5 14,600 < 50 64 137 65.3 1.8
Duncan Canyon Road East of Sierra
Avenue 710 < 50 < 50 < 50 49.2 710 < 50 < 50 < 50 49.2 0.0
Sierra Avenue Between I-15 NB
Ramps and Riverside Avenue 28,105 99 208 447 72.1 35,710 115 244 524 73.1 1.0
Sierra Avenue Between Riverside
Avenue and Grapeland Street-
Segovia Avenue
14,965 64 136 294 70.8 20,560 78 169 363 72.2 1.4
Sierra Avenue Between Grapeland
Street-Segovia Avenue and C-1
Retail Driveway 1
14,850 66 137 292 69.6 20,880 81 171 367 71.1 1.5
Sierra Avenue Between C-1 Retail
Driveway 1 and Terra Vista Drive 14,850 66 137 292 69.6 21,275 82 173 371 71.1 1.5
Sierra Avenue Between Terra Vista
Drive and C-2 Retail Driveway 2 17,710 75 154 329 70.1 25,680 94 196 421 71.7 1.6
Sierra Avenue Between C-2 Retail
Driveway 2 and Duncan Canyon
Road
17,710 75 154 329 70.1 26,730 96 202 432 71.9 1.8
Sierra Avenue Between Duncan
Canyon Road and Fieldcress Drive 16,360 71 146 312 69.7 22,990 87 183 391 71.2 1.5
Sierra Avenue Between Fieldcress
Drive and Casa Grande Drive 16,210 71 145 310 69.7 22,840 87 182 389 71.2 1.5
Sierra Avenue Between Casa Grande
Drive and Summit Avenue 19,075 78 162 345 70.4 24,165 90 189 404 71.4 1.0
Sierra Avenue South of Summit
Avenue 22,870 92 184 390 70.3 27,410 102 207 440 71.1 0.8
Citrus Avenue Between Duncan
Canyon Road and Casa Grande Drive 12,960 < 50 91 191 66.5 13,750 < 50 95 199 66.8 0.3
36
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table Q: Opening Year (2032) Phase 4 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Citrus Avenue South of Casa Grande
Drive 14,250 < 50 98 204 66.7 15,640 < 50 104 217 67.1 0.4
Cypress Avenue Between Grapeland
Street and Arboretum Avenue --1 -- -- -- -- 400 < 50 < 50 < 50 50.2 N/A
Cypress Avenue Between
Arboretum Avenue and Terra Vista
Drive
-- -- -- -- -- 440 < 50 < 50 < 50 50.6 N/A
Cypress Avenue Between Terra Vista
Drive and Elementary School North
Driveway
-- -- -- -- -- 810 < 50 < 50 < 50 53.3 N/A
Cypress Avenue Between
Elementary School North Driveway
and Elementary School South
Driveway
-- -- -- -- -- 1,265 < 50 < 50 < 50 55.2 N/A
Cypress Avenue Between
Elementary School South Driveway
and Duncan Canyon Road
-- -- -- -- -- 975 < 50 < 50 < 50 54.1 N/A
Cypress Avenue Between Duncan
Canyon Road and Gardens Street 2,505 < 50 < 50 < 50 56.7 2,810 < 50 < 50 < 50 57.2 0.5
Cypress Avenue Between Gardens
Street and Casa Grande Drive 2,845 < 50 < 50 < 50 57.2 3,065 < 50 < 50 < 50 57.6 0.4
Grapeland Street Between Cypress
Avenue and Cassava Drive -- -- -- -- -- 270 < 50 < 50 < 50 48.5 N/A
Grapeland Street Between Cassava
Drive and Sierra Avenue -- -- -- -- -- 2,920 < 50 < 50 < 50 58.8 N/A
Source: Compiled by LSA (2025).
Note: Traffic noise within 50 ft of the roadway centerline should be evaluated with site-specific information.
1 Roadway segment does not exist under this condition.
ADT = average daily traffic
CNEL = Community Noise Equivalent Level
dBA = A-weighted decibel
ft = foot/feet
I-15 = Interstate 15
Ldn = day-night average noise level
N/A = Not Applicable
NB = northbound
37
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Table R: 2050 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Duncan Canyon Road Between I-15
NB Ramps and John Previti Avenue 27,370 74 148 314 69.4 31,240 79 161 343 69.9 0.5
Duncan Canyon Road Between John
Previti Avenue and Citrus Avenue 23,565 61 132 284 70.6 27,520 68 146 314 71.3 0.7
Duncan Canyon Road Between
Citrus Avenue and Arboretum
Avenue
12,990 < 50 59 126 65.3 18,015 < 50 73 157 66.7 1.4
Duncan Canyon Road Between
Arboretum Avenue and Cypress
Avenue
9,155 < 50 < 50 100 63.8 14,395 < 50 63 135 65.8 2.0
Duncan Canyon Road Between
Cypress Avenue and Elementary
School Driveway 3
13,330 < 50 60 128 65.4 17,970 < 50 73 157 66.7 1.3
Duncan Canyon Road Between
Elementary School Driveway 3 and
Cassava Drive
13,330 < 50 60 128 65.4 18,010 < 50 73 157 66.7 1.3
Duncan Canyon Road Between
Cassava Drive and Sierra Avenue 19,040 < 50 76 163 66.4 23,975 < 50 89 190 67.4 1.0
Duncan Canyon Road East of Sierra
Avenue 840 < 50 < 50 < 50 50.0 840 < 50 < 50 < 50 50.0 0.0
Sierra Avenue Between I-15 NB
Ramps and Riverside Avenue 44,315 132 282 605 74.0 46,920 137 292 628 74.3 0.3
Sierra Avenue Between Riverside
Avenue and Grapeland Street-
Segovia Avenue
22,720 84 180 388 72.6 28,315 97 209 449 73.6 1.0
Sierra Avenue Between Grapeland
Street-Segovia Avenue and C-1
Retail Driveway 1
21,900 84 177 378 71.3 27,930 98 207 445 72.3 1.0
Sierra Avenue Between C-1 Retail
Driveway 1 and Terra Vista Drive 21,900 84 177 378 71.3 28,325 99 209 449 72.4 1.1
Sierra Avenue Between Terra Vista
Drive and C-2 Retail Driveway 2 22,710 87 181 388 71.1 30,680 105 221 474 72.5 1.4
38
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table R: 2050 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Sierra Avenue Between C-2 Retail
Driveway 2 and Duncan Canyon
Road
22,710 87 181 388 71.1 31,730 107 226 484 72.6 1.5
Sierra Avenue Between Duncan
Canyon Road and Fieldcress Drive 21,780 85 176 377 71.0 28,410 100 210 450 72.1 1.1
Sierra Avenue Between Fieldcress
Drive and Casa Grande Drive 21,450 84 175 373 70.9 33,080 110 232 498 72.8 1.9
Sierra Avenue Between Casa Grande
Drive and Summit Avenue 30,930 105 222 476 72.5 41,020 126 268 575 73.7 1.2
Sierra Avenue South of Summit
Avenue 35,010 117 242 517 72.2 39,550 126 263 561 72.7 0.5
Citrus Avenue Between Duncan
Canyon Road and Casa Grande Drive 27,330 71 147 313 69.7 28,120 73 150 319 69.9 0.2
Citrus Avenue South of Casa Grande
Drive 33,180 82 167 356 70.3 34,570 84 172 366 70.5 0.2
Cypress Avenue Between Duncan
Canyon Road and Gardens Street 5,100 < 50 < 50 72 59.8 5,370 < 50 < 50 74 60.0 0.2
Cypress Avenue Between Gardens
Street and Casa Grande Drive 5,515 < 50 < 50 75 60.1 5,735 < 50 < 50 77 60.3 0.2
Duncan Canyon Road Between I-15
NB Ramps and John Previti Avenue 27,370 74 148 314 69.4 31,240 79 161 343 69.9 0.5
Duncan Canyon Road Between John
Previti Avenue and Citrus Avenue 23,565 61 132 284 70.6 27,520 68 146 314 71.3 0.7
Duncan Canyon Road Between
Citrus Avenue and Arboretum
Avenue
12,990 < 50 59 126 65.3 18,015 < 50 73 157 66.7 1.4
Duncan Canyon Road Between
Arboretum Avenue and Cypress
Avenue
9,155 < 50 < 50 100 63.8 14,395 < 50 63 135 65.8 2.0
Duncan Canyon Road Between
Cypress Avenue and Elementary
School Driveway 3
13,330 < 50 60 128 65.4 17,970 < 50 73 157 66.7 1.3
39
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table R: 2050 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Duncan Canyon Road Between
Elementary School Driveway 3 and
Cassava Drive
13,330 < 50 60 128 65.4 18,010 < 50 73 157 66.7 1.3
Duncan Canyon Road Between
Cassava Drive and Sierra Avenue 19,040 < 50 76 163 66.4 23,975 < 50 89 190 67.4 1.0
Duncan Canyon Road East of Sierra
Avenue 840 < 50 < 50 < 50 50.0 840 < 50 < 50 < 50 50.0 0.0
Sierra Avenue Between I-15 NB
Ramps and Riverside Avenue 44,315 132 282 605 74.0 46,920 137 292 628 74.3 0.3
Sierra Avenue Between Riverside
Avenue and Grapeland Street-
Segovia Avenue
22,720 84 180 388 72.6 28,315 97 209 449 73.6 1.0
Sierra Avenue Between Grapeland
Street-Segovia Avenue and C-1
Retail Driveway 1
21,900 84 177 378 71.3 27,930 98 207 445 72.3 1.0
Sierra Avenue Between C-1 Retail
Driveway 1 and Terra Vista Drive 21,900 84 177 378 71.3 28,325 99 209 449 72.4 1.1
Sierra Avenue Between Terra Vista
Drive and C-2 Retail Driveway 2 22,710 87 181 388 71.1 30,680 105 221 474 72.5 1.4
Sierra Avenue Between C-2 Retail
Driveway 2 and Duncan Canyon
Road
22,710 87 181 388 71.1 31,730 107 226 484 72.6 1.5
Sierra Avenue Between Duncan
Canyon Road and Fieldcress Drive 21,780 85 176 377 71.0 28,410 100 210 450 72.1 1.1
Sierra Avenue Between Fieldcress
Drive and Casa Grande Drive 21,450 84 175 373 70.9 33,080 110 232 498 72.8 1.9
Sierra Avenue Between Casa Grande
Drive and Summit Avenue 30,930 105 222 476 72.5 41,020 126 268 575 73.7 1.2
Sierra Avenue South of Summit
Avenue 35,010 117 242 517 72.2 39,550 126 263 561 72.7 0.5
Citrus Avenue Between Duncan
Canyon Road and Casa Grande Drive 27,330 71 147 313 69.7 28,120 73 150 319 69.9 0.2
40
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
Table R: 2050 Traffic Noise Levels Without and With Project
Roadway Segment
Without Project Traffic Conditions With Project Traffic Conditions
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
Ldn (dBA)
50 ft from
Centerline of
Outermost
Lane
ADT
Centerline
to 70 dBA
CNEL (ft)
Centerline
to 65 dBA
CNEL (ft)
Centerline
to 60 dBA
CNEL (ft)
CNEL (dBA)
50 ft from
Centerline of
Outermost
Lane
Increase
from
Baseline
Conditions
(dBA)
Citrus Avenue South of Casa Grande
Drive 33,180 82 167 356 70.3 34,570 84 172 366 70.5 0.2
Cypress Avenue Between Grapeland
Street and Arboretum Avenue 1,870 < 50 < 50 < 50 56.9 2,270 < 50 < 50 < 50 57.8 0.9
Cypress Avenue Between
Arboretum Avenue and Terra Vista
Drive
1,870 < 50 < 50 < 50 56.9 2,310 < 50 < 50 < 50 57.8 0.9
Cypress Avenue Between Terra Vista
Drive and Elementary School North
Driveway
--1 -- -- -- -- 2,625 < 50 < 50 < 50 58.4 N/A
Cypress Avenue Between
Elementary School North Driveway
and Elementary School South
Driveway
-- -- -- -- -- 3,025 < 50 < 50 < 50 59.0 N/A
Cypress Avenue Between
Elementary School South Driveway
and Duncan Canyon Road
1,760 < 50 < 50 < 50 56.6 2,630 < 50 < 50 < 50 58.4 1.8
Cypress Avenue Between Duncan
Canyon Road and Gardens Street 5,100 < 50 < 50 72 59.8 5,405 < 50 < 50 74 60.0 0.2
Cypress Avenue Between Gardens
Street and Casa Grande Drive 5,515 < 50 < 50 75 60.1 5,735 < 50 < 50 77 60.3 0.2
Grapeland Street Between Cypress
Avenue and Cassava Drive 4,360 < 50 < 50 61 60.6 4,630 < 50 < 50 64 60.8 0.2
Grapeland Street Between Cassava
Drive and Sierra Avenue 4,355 < 50 < 50 61 60.6 7,275 < 50 < 50 86 62.8 2.2
Source: Compiled by LSA (2025).
Note: Traffic noise within 50 ft of the roadway centerline should be evaluated with site-specific information.
1 Roadway segment does not exist under this condition.
ADT = average daily traffic
CNEL = Community Noise Equivalent Level
dBA = A-weighted decibel
ft = foot/feet
I-15 = Interstate 15
Ldn = day-night average noise level
N/A = Not Applicable
NB = northbound
41
7/28/25 (P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx)
On-Site Traffic Noise
Proposed On-Site Residential Uses. Table R shows that 2050 with project traffic noise levels
along Grapeland Street, Sierra Avenue, Duncan Canyon Road, and Cypress Avenue would range
from 57.8 to 72.6 dBA CNEL at a distance of 50 feet from the centerline of the outermost lane.
These traffic noise levels exceed the City’s exterior noise standard of 65 dBA CNEL for residential
uses. In addition, interior noise levels at proposed on-site residential buildings would likely exceed
the City’s interior noise standard of 45 dBA CNEL due to high exterior noise levels. Exterior and
interior noise levels would be similar to exterior and interior noise levels in the 2008 Arboretum
Specific Plan EIR (as amended). Mitigation Measures 4.6.2a and 4.6.2b identified in the 2008
Arboretum Specific Plan EIR (as amended), remain applicable to provide noise attenuation needed to
comply with the City’s exterior noise standard of 65 dBA CNEL. Although Mitigation Measures 4.6.2a
and 4.6.2b remain applicable, the measures have been modified to reflect site- and project-specific
requirements aligned with current standards. Therefore, Mitigation Measure 4.6.2c has been added
to require a supplemental acoustical analysis once grading plans and project plans are completed to
ensure and verify that adequate noise attenuation will be provided to meet the 65 dBA CNEL exterior
noise standard. Also, Mitigation Measure 4.6.4 identified in the 2008 Arboretum Specific Plan EIR (as
amended), would require a supplemental acoustical analysis to verify that adequate structural noise
protection are provided in residences along Grapeland Street, Sierra Avenue, Duncan Canyon Road,
and Cypress Avenue to meet the City’s interior noise standard of 45 dBA CNEL. Therefore, the
proposed project would not result in new or more significant noise impacts to proposed exterior and
interior on-site residences than what was analyzed in the 2008 Arboretum Specific Plan EIR (as
amended).
Proposed On-Site Commercial Uses. Table R shows that 2050 with project traffic noise levels along
Sierra Avenue and Duncan Canyon Road would range from 66.7 to 72.6 dBA CNEL at a distance of
50 feet from the centerline of the outermost lane. These traffic noise levels exceed the City’s
exterior noise standard of 70 dBA CNEL. Interior noise levels in proposed on-site commercial
buildings would likely exceed the City’s interior noise standard of 55 dBA CNEL due to high exterior
noise levels. Exterior and interior noise levels would be similar to exterior and interior noise levels in
the 2008 Arboretum Specific Plan EIR (as amended). Mitigation Measure 4.6.3, identified in the 2008
Arboretum Specific Plan EIR (as amended), would demonstrate that outdoor use areas (e.g., patio
dining areas) and the interior of commercial uses meet the City’s exterior and interior noise standards
of 70 dBA CNEL and 55 dBA CNEL, respectively. Therefore, the proposed project would not result in
new or more significant noise impacts to proposed exterior and interior on-site commercial uses
than what was analyzed in the 2008 Arboretum Specific Plan EIR (as amended).
Proposed On-Site School Uses. Table R shows that 2050 with project traffic noise levels along
Duncan Canyon Road and Cypress Avenue would range from 57.8 to 67.4 dBA CNEL at a distance of
50 feet from the centerline of the outermost lane. Interior noise levels at proposed on-site school
buildings would likely exceed the City’s interior noise standard of 45 dBA CNEL due to high exterior
noise levels. Interior noise levels would be similar to interior noise levels in the 2008 Arboretum
Specific Plan EIR (as amended). Mitigation Measure 4.6.5, identified in the 2008 Arboretum Specific
Plan EIR (as amended), requires the implementation of structural noise protection as part of the
design and planning of proposed on-site schools to meet the City’s interior noise standard of 45 dBA
CNEL. Therefore, the proposed project would not result in new or more significant noise impacts to
42
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proposed on-site school interior uses than what was analyzed in the 2008 Arboretum Specific Plan
EIR (as amended).
Long-Term Stationary Noise Impacts
Commercial Activities
Noise generated from the operations of proposed on-site commercial uses has the potential to
impact adjacent existing off-site and proposed on-site residences. Noise generated from commercial
operations would include delivery trucks and truck loading and unloading activities, drive-through
speakerphones, trash compactors, refuse collection, parking lot sweeping, and heating, ventilation,
and air conditioning (HVAC) equipment. Commercial operational activities under the proposed
Specific Plan Amendment would remain the same as the 2008 Arboretum Specific Plan EIR (as
amended). Mitigation Measure 4.6.6, identified in the 2008 Arboretum Specific Plan EIR (as
amended), would include measures to control noise from commercial operational activities in the
Conditional Use Permit for proposed commercial uses to meet the City’s interior and exterior noise
standards at adjacent land uses. Therefore, the proposed project would not result in new or more
significant impacts regarding noise generated from the operation of proposed on-site commercial
uses than what was analyzed in the 2008 Arboretum Specific Plan EIR (as amended). No additional
mitigation measure is required.
School Activities
Noise generated from the operations of the proposed schools have the potential to impact adjacent
existing off-site and proposed on-site residences. Noise generated from school operations would
include outdoor recreational areas, HVAC equipment, loading docks and trash compactors, truck
deliveries, trash pick-ups, and parking lot sweeping. School operational activities under the
proposed Specific Plan Amendment would remain the same as the 2008 Arboretum Specific Plan EIR
(as amended). Mitigation Measure 4.6.7, identified in the 2008 Arboretum Specific Plan EIR (as
amended), would install or implement provisions, as necessary, as part of the design and planning of
proposed on-site schools to keep noise levels within the City’s interior and exterior noise standards at
adjacent land uses. Therefore, the proposed project would not result in new or more significant
impacts regarding noise generated from the operation of the proposed on-site school than what
was analyzed in the 2008 Arboretum Specific Plan EIR (as amended). No additional mitigation
measure is required.
Long-Term Vibration Impacts
The residential, school, and commercial uses associated with the proposed Specific Plan
Amendment would not generate vibration. In addition, vibration levels generated from project-
related traffic on the adjacent roadways (i.e., Sierra Avenue, Duncan Canyon Road, and other
roadways) are unusual for on-road vehicles because the rubber tires and suspension systems of on-
road vehicles provide vibration isolation. Vibration generated from operations of residential, school,
and commercial uses from the proposed Specific Plan Amendment would not exceed the FTA
vibration perception threshold of 65 VdB. Therefore, the proposed project would not result in new
or more significant impacts regarding vibration generated from the operation of the proposed
project than what was analyzed in the 2008 Arboretum Specific Plan EIR (as amended). No
additional mitigation measure is required.
43
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STANDARD CONDITIONS AND MITIGATION MEASURES
Standard Condition 4.6.1 and Mitigation Measures 4.6.1, 4.6.1a, 4.6.1b, 4.6.2a, 4.6.2b, and 4.6.3
through 4.6.7 from the 2008 Arboretum Specific Plan EIR (as modified for the proposed project) are
applicable to the proposed project and would be implemented to reduce construction and
operational noise impacts. In addition, Mitigation Measure 4.6.2c was identified to ensure
residential areas meet the City’s exterior noise standard of 65 dBA CNEL. The standard condition and
mitigation measures are described in further detail below.
Standard Condition 4.6.1 Construction activities on the project site shall comply with City
regulations on time limits for construction activity. Construction
activities would have to comply with the construction time limits
(7:00 a.m. to 6:00 p.m. on weekdays, unless otherwise approved by
the City and the Engineer or in case of an emergency); loading/
unloading of boxes; transport of metal rails, pillars and columns;
and the use of pile drivers, steam shovels, pneumatic hammers and
other noisy construction equipment shall be conducted within
allowable times (7:00 a.m. to 10:00 p.m.) as set by the Fontana
Noise Ordinance.
Mitigation Measure 4.6.1a The construction, the following measures shall be implemented to
reduce noise on sensitive receptors:
All off-road construction equipment shall have properly
operating and maintained mufflers.
Stockpiling and equipment/vehicle staging shall be conducted as
far as practicable from occupied dwelling units or other nearby
noise-sensitive land uses.
Idling of construction equipment shall be limited to 5 minutes,
as required by law. Equipment shall be turned off when not in
use.
Schedule noisy activities and impulsive noise generation, such
as pile driving or jack hammers, during the late morning and
early afternoon hours near residences, or temporary barriers
shall be erected, if necessary.
Schedule noisy activities and impulsive noise generation, such
as pile driving or jack hammers, near schools when schools are
not in session or temporary barriers shall be erected, if
necessary.
Inform abutting residents and schools of the construction
schedule for areas under construction.
44
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Mitigation Measure 4.6.1b A noise impact mitigation plan shall be submitted and implemented
for major construction within 500 feet of any occupied residence or
school that incorporates temporary barriers, maximum set-backs
and upgraded equipment as necessary.
Mitigation Measure 4.6.2a Perimeter walls shall be provided along residential areas to meet
the City’s exterior noise standard of 65 dBA CNEL, as follows:
Citrus Avenue – 6 feet
Sierra Avenue – 6 feet
Grapeland Street – 5 feet
Duncan Canyon Road – 6 feet
Casa Grande Avenue – 5 feet
Mitigation Measure 4.6.2b Increased setbacks from the roadway centerline shall be provided if
noise wall heights are less than those listed above, which are
capable of achieving an exterior noise level of 65 dBA CNEL or less.
Setback requirements are as follows:
Citrus Avenue – 260 feet
Cypress Avenue – 50 feet
Sierra Avenue – 275 feet
Grapeland Street – 115 feet
Duncan Canyon Road – 200 feet
Casa Grande Avenue – 110 feet
Mitigation Measure 4.6.2c A supplemental acoustical analysis shall be prepared by a qualified
acoustical consultant once grading plans and project plans are
completed to verify that adequate noise attenuation, as
preliminarily provided in Mitigation Measures 4.6.2a and 4.6.2b, will
be provided to meet the 65 dBA CNEL exterior noise standard for
outdoor use areas of proposed on-site residences along Grapeland
Street, Sierra Avenue, Duncan Canyon Road, and Cypress Avenue.
Mitigation Measure 4.6.3 The proposed commercial retail center shall be required to provide
supplemental noise analysis to show that indoor commercial areas
would meet the interior standard of 55 dBA CNEL and outdoor use
areas (such as patio dining areas) would meet the exterior standard
of 70 dBA CNEL.
Mitigation Measure 4.6.4 A supplemental acoustical analysis shall be submitted in conjunction
with the issuance of building permits to verify that adequate
structural noise protection will be provided in residences adjoining
arterial roadways to meet the 45 dBA CNEL interior standard. This
could includes the provision of closed dual paned windows with
supplemental ventilation or other standard design measures that
achieve the standard. This measure applies to future residences
45
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along Duncan Canyon Road, Cypress Avenue, Casa Grande Avenue,
Citrus Avenue, and Sierra Avenue. for residences along Duncan
Canyon Road, Cypress Avenue, and Casa Grande Avenue. The use of
upgraded dual-paned windows, with supplemental ventilation,
baffles in vents, and absorbers in ducts shall be provided for
residences along Citrus Avenue. Dual layer drywall, triple-paned
windows, steel doors and other custom upgrades shall be provided
for residences along Sierra Avenue.
Mitigation Measure 4.6.5 Design and planning of the schools shall implement structural noise
protection as necessary to meet the 45 dBA CNEL interior standard.
Mitigation Measure 4.6.6 Conditional use permits for proposed commercial uses shall contain
measures that control noise generation from goods deliveries,
facility maintenance, and mechanical equipment to meet the City’s
interior and exterior noise standards at adjacent land uses. These
may include:
Location of commercial HVAC equipment away from residences
or shielding of HVAC equipment.
Location of loading docks and trash compactors away from
residences.
Time restrictions on deliveries to commercial uses.
Orientation of fast-food restaurant sound boards away from
nearby residences; sound walls around the order boards; or
time restrictions on sound board use.
Time restrictions on refuse collection or parking lot sweeping, or
stacking or retrieval of temporary outdoor storage.
Mitigation Measure 4.6.7 Design and planning of the schools shall install or implement the
following provisions, as necessary, to keep noise levels within the
City’s interior and exterior noise standards at adjacent land uses:
sound walls, setbacks between abutting residences and the schools’
outdoor fields; location of HVAC equipment away from residences
or provision of shielding around HVAC equipment; location of
loading docks and trash compactors away from residences; and
time restrictions on truck deliveries, trash pick-ups, and parking lot
sweeping.
Attachments: A: References
B: Figures
C: Construction Traffic Noise Calculations
D: FHWA Highway Traffic Noise Model Printouts
N OISE AND V IBRATION I MPACT A NALYSIS
J ULY 2025
A RBORETUM S PECIFIC P LAN A MENDMENT
F ONTANA , C ALIFORNIA
P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx «07/28/25»
ATTACHMENT A
REFERENCES
City of Fontana. 2008. Draft Environmental Impact Report for the Proposed Arboretum Specific Plan.
May. Website: https://www.fontanaca.gov/DocumentCenter/View/39558/DEIR-Arboretum-
Specific-Plan-May-2008 (accessed July 2025).
_____. 2009. Arboretum Specific Plan. April 21. Website: https://www.fontanaca.gov/1278/
Arboretum-Specific-Plan (accessed July 2025).
_____. 2018. General Plan Update 2015–2035, Noise Element. November 13.
_____. 2023. Municipal Code. February 27.
City of Ontario. 2011. LA/Ontario International Airport Land Use Compatibility Plan. April 19.
Website: https://www.ont-iac.com/airport-land-use-compatibility-plan/ (accessed July
2025).
_____. 2006. Highway Construction Noise Handbook. Roadway Construction Noise Model, FHWA-
HEP-06-015. DOT-VNTSC-FHWA-06-02. NTIS No. PB2006-109012. August.
County of Riverside. 2015. General Plan Noise Element Technical Data. December 8. Website:
https://planning.rctlma.org/sites/g/files/aldnop416/files/migrated/Portals-14-genplan-
general-plan-2016-appendices-Appendix-I-1-120815.pdf (accessed July 2025).
Federal Transit Administration (FTA). 2018. Transit Noise and Vibration Impact Assessment Manual.
FTA Report No. 0123. September. Website: https://www.transit.dot.gov/sites/fta.dot.gov/
files/docs/research-innovation/118131/transit-noise-and-vibration-impact-assessment-
manual-fta-report-no-0123_0.pdf (accessed July 2025).
Harris, Cyril M., editor. 1991. Handbook of Acoustical Measurements and Noise Control. Third
Edition.
LSA Associates, Inc. (LSA). 2025. Air Quality and Greenhouse Gas Impact Analysis Memorandum for
The Arboretum Specific Plan Amendment. July.
Translutions. 2025. The Resort Village Traffic Impact Analysis. April.
United States Environmental Protection Agency (USEPA). 1978. Protective Noise Levels, Condensed
Version of EPA Levels Document, EPA 550/9-79-100. November.
N OISE AND V IBRATION I MPACT A NALYSIS
J ULY 2025
A RBORETUM S PECIFIC P LAN A MENDMENT
F ONTANA , C ALIFORNIA
P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx «07/28/25»
ATTACHMENT B
FIGURES
Figure 1: Regional and Project Location
Figure 2: Resort Village Land Use Plan
FIGURE 2.1
The Resort Village
Land Use Plan
the trans ortation solutions com any...
P:\Lewis - Arboretum\Analysis\xFigure 2-1 Land Use Plan (4/14/2025)7
SI
E
R
R
A
A
V
E
N
U
E
SOURCE: Translutions
NOT TO SCALE
LEGEND
Project Site
FIGURE 2
Resort Village Land Use Plan
Resort Village Amendment to the Arboretum Specific Plan
I:\2023\20231028\G\Land_Use.ai (7/2/2025)
N OISE AND V IBRATION I MPACT A NALYSIS
J ULY 2025
A RBORETUM S PECIFIC P LAN A MENDMENT
F ONTANA , C ALIFORNIA
P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx «07/28/25»
ATTACHMENT C
CONSTRUCTION TRAFFIC NOISE CALCULATIONS
Worker Vendor Haul Worker Vendor Haul Speed (mph) MT Factor HT Factor
Site Preparation 3/1/2026 3/30/2026 7 17.50 0.00 0.00 21 18 18 0 0 18 25 12.6 39.8
Grading 4/1/2026 11/1/2026 8 20.00 0.00 0.00 153 20 20 0 0 20 x 20 30 8.9 26.3
Building Construction 8/1/2026 8/31/2027 9 49.87 22.16 0.00 282 72 50 161 0 211 x 211 35 7.1 19.1
Paving 1/1/2027 2/28/2027 6 15.00 0.00 0.00 41 15 15 0 0 15 40 5.8 15.1
Architectural Coating 11/1/2026 12/31/2026 1 9.97 0.00 0.00 44 10 10 0 0 10 x 10 45 5 12.9
Maximum 72 211 241 50 4.5 11.5
55 4.1 10.4
Building Construction 8/1/2027 8/31/2028 9 311.62 79.25 0.00 284 391 312 575 0 887 x 887 60 3.7 9.6
Paving 8/1/2027 9/30/2028 6 15.00 0.00 0.00 305 15 15 0 0 15 x 15 70 3.2 8.3
Architectural Coating 11/1/2027 11/30/2028 1 62.32 0.00 0.00 284 62 63 0 0 63 x 63
Maximum 391 887 965
Building Construction 8/1/2029 8/31/2030 9 746.86 178.56 0.00 283 925 747 1,295 0 2,042 x 2,042
Paving 8/1/2029 8/30/2030 6 15.00 0.00 0.00 283 15 15 0 0 15 x 15
Architectural Coating 11/1/2029 11/30/2030 1 149.37 0.00 0.00 282 149 150 0 0 150 x 150
Maximum 925 2,042 2,207
Building Construction 8/1/2031 8/31/2032 9 777.90 194.45 0.00 283 972 778 1,410 0 2,188 x 2,188
Paving 8/1/2031 8/30/2032 6 15.00 0.00 0.00 283 15 15 0 0 15 x 15
Architectural Coating 11/1/2031 11/30/2032 1 155.58 0.00 0.00 282 156 156 0 0 156 x 156
Maximum 972 2,188 2,359
Project
Phase Roadway Speed Traffic Volume MT Factor HT Factor
Tota
Equivalent
Vehicles
No se
Increase
(dBA)
1 Sierra Avenue 55 11,460 4.1 10.4 241 0.1
2 Sierra Avenue 55 12,300 4.1 10.4 965 0.3
3 Sierra Avenue 55 13,150 4.1 10.4 2,207 0.7
4 Sierra Avenue 55 15,145 4.1 10.4 2,359 0.6
Max 0.7
Worker Vendor Haul Worker Vendor Haul
Site Preparation 3/1/2026 3/30/2026 7 17.50 0.00 0.00 21 18 18 0 0 18
Grading 4/1/2026 11/1/2026 8 20.00 0.00 0.00 153 20 20 0 0 20 x 20
Building Construction 8/1/2026 8/31/2027 9 49.87 22.16 0.00 282 72 50 291 0 341 x 341
Paving 1/1/2027 2/28/2027 6 15.00 0.00 0.00 41 15 15 0 0 15
Architectural Coating 11/1/2026 12/31/2026 1 9.97 0.00 0.00 44 10 10 0 0 10 x 10
Maximum 72 341 371
Building Construction 8/1/2027 8/31/2028 9 311.62 79.25 0.00 284 391 312 1,039 0 1,351 x 1,351
Paving 8/1/2027 9/30/2028 6 15.00 0.00 0.00 305 15 15 0 0 15 x 15
Architectural Coating 11/1/2027 11/30/2028 1 62.32 0.00 0.00 284 62 63 0 0 63 x 63
Maximum 391 1,351 1,429
Building Construction 8/1/2029 8/31/2030 9 746.86 178.56 0.00 283 925 747 2,340 0 3,087 x 3,087
Paving 8/1/2029 8/30/2030 6 15.00 0.00 0.00 283 15 15 0 0 15 x 15
Architectural Coating 11/1/2029 11/30/2030 1 149.37 0.00 0.00 282 149 150 0 0 150 x 150
Maximum 925 3,087 3,252
Building Construction 8/1/2031 8/31/2032 9 777.90 194.45 0.00 283 972 778 2,548 0 3,326 x 3,326
Paving 8/1/2031 8/30/2032 6 15.00 0.00 0.00 283 15 15 0 0 15 x 15
Architectural Coating 11/1/2031 11/30/2032 1 155.58 0.00 0.00 282 156 156 0 0 156 x 156
Maximum 972 3,326 3,497
Project
Phase Roadway Speed Traffic Volume MT Factor HT Factor
Tota
Equivalent
Vehicles
No se
Increase
(dBA)
1 Duncan Canyon Road 35 3,820 7.1 19.1 371 0.4
2 Duncan Canyon Road 35 4,870 7.1 19.1 1,429 1.1
3 Duncan Canyon Road 35 5,945 7.1 19.1 3,252 1.9
4 Duncan Canyon Road 35 7,750 7.1 19.1 3,497 1.6
Max 1.9
Overlap Trips
1
2
3
4
Overlap?
Offroad
Equipment
One Way Trip Per Day Total Trips
Per Day
Equivalent One Way Trip Per DayDays per
Phase
Total Equivalent
Trips Per Day
Project
Phase Construction Phase Start Date End Date
Construction Traffic Noise Calculator
Project
Phase
4
Construction Phase
Total Trips
Per DayStart Date
Days per
Phase Overlap?
Offroad
Equipment End Date
1
2
3
Construction Traffic Noise Calculator
Overlap Trips
Equivalent One Way Trip Per Day Total Equivalent
Trips Per Day
One Way Trip Per Day
N OISE AND V IBRATION I MPACT A NALYSIS
J ULY 2025
A RBORETUM S PECIFIC P LAN A MENDMENT
F ONTANA , C ALIFORNIA
P:\2023\20231028-Arboretum\Product\Noise\Noise Memo_20250716.docx «07/28/25»
ATTACHMENT D
FHWA HIGHWAY TRAFFIC NOISE MODEL PRINTOUTS
TABLE Existing -01
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between I-15 NB Ramps and John
Previti Avenue
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 11000 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 30 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.41
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 84.5 172.8 367.8
______________________________________________________________________
TABLE Existing -02
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between John Previti Avenue and
Citrus Avenue
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 10995 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 67.30
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 79.4 170.7 367.4
______________________________________________________________________
TABLE Existing -03
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Citrus Avenue and Arboretum
Avenue
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 5275 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.42
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 69.4 149.1
______________________________________________________________________
TABLE Existing -04
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Arboretum Avenue and Cypress
Avenue
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 4375 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.60
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 61.4 131.7
______________________________________________________________________
TABLE Existing -05
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cypress Avenue and Elementary
School Driveway 3
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 3820 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.01
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 56.1 120.3
______________________________________________________________________
TABLE Existing -06
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Elementary School Driveway 3
and Cassava Drive
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 3870 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.07
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 56.6 121.3
______________________________________________________________________
TABLE Existing -07
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cassava Drive and Sierra
Avenue
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 3575 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.15
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 54.7 115.5
______________________________________________________________________
TABLE Existing -08
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road East of Sierra Avenue
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 660 SPEED (MPH): 25 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 48.92
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE Existing -09
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between I-15 NB Ramps and Riverside Avenue
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 20900 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.78
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
82.5 171.7 367.0 789.1
______________________________________________________________________
TABLE Existing -10
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Riverside Avenue and Grapeland
Street-Segovia Avenue
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 11530 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.70
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
53.5 114.7 246.8 531.6
______________________________________________________________________
TABLE Existing -11
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Grapeland Street-Segovia Avenue
and C-1 Retail Driveway 1
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 11460 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.45
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
56.5 115.7 246.2 529.0
______________________________________________________________________
TABLE Existing -12
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-1 Retail Driveway 1 and Terra
Vista Drive
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 11460 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.45
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
56.5 115.7 246.2 529.0
______________________________________________________________________
TABLE Existing -13
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Terra Vista Drive and C-2 Retail
Driveway 2
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15240 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.41
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
68.3 139.8 297.6 639.4
______________________________________________________________________
TABLE Existing -14
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-2 Retail Driveway 2 and Duncan
Canyon Road
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15240 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.41
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
68.3 139.8 297.6 639.4
______________________________________________________________________
TABLE Existing -15
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Duncan Canyon Road and Fieldcress
Drive
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13945 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.03
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
64.9 132.0 280.6 602.7
______________________________________________________________________
TABLE Existing -16
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Fieldcress Drive and Casa Grande
Drive
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13890 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.01
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
64.7 131.7 279.9 601.2
______________________________________________________________________
TABLE Existing -17
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Casa Grande Drive and Summit
Avenue
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13800 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.98
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
64.5 131.1 278.7 598.6
______________________________________________________________________
TABLE Existing -18
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue South of Summit Avenue
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 17470 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 38 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.18
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
79.6 155.4 326.8 700.1
______________________________________________________________________
TABLE Existing -19
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue Between Duncan Canyon Road and Casa Grande
Drive
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 6575 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.56
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 61.0 123.2 261.4
______________________________________________________________________
TABLE Existing -20
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue South of Casa Grande Drive
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 5840 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 28 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.79
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 58.9 115.1 242.0
______________________________________________________________________
TABLE Existing -21
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Grapeland Street and Arboretum
Avenue
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE Existing -22
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Arboretum Avenue and Terra Vista
Drive
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE Existing -23
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Terra Vista Drive and Elementary
School North Driveway
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE Existing -24
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School North Driveway
and Elementary School South Driveway
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE Existing -25
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School South Driveway
and Duncan Canyon Road
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE Existing -26
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Duncan Canyon Road and Gardens
Street
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1350 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 53.99
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 64.6
______________________________________________________________________
TABLE Existing -27
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Gardens Street and Casa Grande
Drive
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1655 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 54.88
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 72.8
______________________________________________________________________
TABLE Existing -28
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cypress Avenue and Cassava
Drive
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE Existing -29
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cassava Drive and Sierra Avenue
NOTES: Arboretum - Existing
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-01
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between I-15 NB Ramps and John
Previti Avenue
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12255 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 30 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.88
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 90.1 185.4 395.1
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-02
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between John Previti Avenue and
Citrus Avenue
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 11955 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 67.66
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 83.9 180.5 388.5
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-03
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Citrus Avenue and Arboretum
Avenue
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 6275 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.17
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 77.9 167.4
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-04
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Arboretum Avenue and Cypress
Avenue
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 5155 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.32
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 68.4 146.9
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-05
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cypress Avenue and Elementary
School Driveway 3
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 4870 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.07
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 65.9 141.4
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-06
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Elementary School Driveway 3
and Cassava Drive
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 4940 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.13
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 66.5 142.7
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-07
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cassava Drive and Sierra
Avenue
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 5105 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.69
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 68.7 146.2
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-08
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road East of Sierra Avenue
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 670 SPEED (MPH): 25 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 48.99
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-09
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between I-15 NB Ramps and Riverside Avenue
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 22700 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.14
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
86.8 181.2 387.7 833.8
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-10
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Riverside Avenue and Grapeland
Street-Segovia Avenue
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12390 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.02
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
56.1 120.3 259.0 557.7
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-11
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Grapeland Street-Segovia Avenue
and C-1 Retail Driveway 1
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12300 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.76
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
58.9 121.1 258.0 554.5
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-12
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-1 Retail Driveway 1 and Terra
Vista Drive
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12300 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.76
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
58.9 121.1 258.0 554.5
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-13
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Terra Vista Drive and C-2 Retail
Driveway 2
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15855 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.58
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
69.9 143.4 305.5 656.5
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-14
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-2 Retail Driveway 2 and Duncan
Canyon Road
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15860 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.58
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
69.9 143.5 305.6 656.7
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-15
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Duncan Canyon Road and Fieldcress
Drive
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14555 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.21
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
66.5 135.7 288.7 620.2
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-16
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Fieldcress Drive and Casa Grande
Drive
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14475 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
66.3 135.2 287.6 617.9
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-17
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Casa Grande Drive and Summit
Avenue
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15115 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.38
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
68.0 139.1 296.0 636.0
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-18
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue South of Summit Avenue
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 18820 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 38 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.50
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
82.7 162.8 343.2 735.6
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-19
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue Between Duncan Canyon Road and Casa Grande
Drive
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 8165 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.50
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 69.1 141.7 301.7
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-20
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue South of Casa Grande Drive
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 7930 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 28 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.12
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 69.4 139.7 296.1
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-21
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Grapeland Street and Arboretum
Avenue
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-22
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Arboretum Avenue and Terra Vista
Drive
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-23
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Terra Vista Drive and Elementary
School North Driveway
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-24
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School North Driveway
and Elementary School South Driveway
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-25
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School South Driveway
and Duncan Canyon Road
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 50 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 41.18
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-26
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Duncan Canyon Road and Gardens
Street
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1595 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 54.72
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 71.2
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-27
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Gardens Street and Casa Grande
Drive
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1955 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 55.60
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 80.4
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-28
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cypress Avenue and Cassava
Drive
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 Without Project-29
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cassava Drive and Sierra Avenue
NOTES: Arboretum - 2026 Phase 1 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 With Project-01
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between I-15 NB Ramps and John
Previti Avenue
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13275 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 30 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.23
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 94.5 195.2 416.6
______________________________________________________________________
TABLE 2026 Phase 1 With Project-02
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between John Previti Avenue and
Citrus Avenue
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13005 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.03
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 88.8 190.9 410.9
______________________________________________________________________
TABLE 2026 Phase 1 With Project-03
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Citrus Avenue and Arboretum
Avenue
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 7720 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.07
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 89.4 192.2
______________________________________________________________________
TABLE 2026 Phase 1 With Project-04
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Arboretum Avenue and Cypress
Avenue
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 6705 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.46
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 81.4 174.9
______________________________________________________________________
TABLE 2026 Phase 1 With Project-05
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cypress Avenue and Elementary
School Driveway 3
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 6580 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.38
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 80.4 172.8
______________________________________________________________________
TABLE 2026 Phase 1 With Project-06
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Elementary School Driveway 3
and Cassava Drive
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 6195 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.11
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 77.2 166.0
______________________________________________________________________
TABLE 2026 Phase 1 With Project-07
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cassava Drive and Sierra
Avenue
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 6315 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.62
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 78.9 168.3
______________________________________________________________________
TABLE 2026 Phase 1 With Project-08
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road East of Sierra Avenue
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 670 SPEED (MPH): 25 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 48.99
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 With Project-09
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between I-15 NB Ramps and Riverside Avenue
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 23350 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.26
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
88.3 184.6 395.0 849.6
______________________________________________________________________
TABLE 2026 Phase 1 With Project-10
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Riverside Avenue and Grapeland
Street-Segovia Avenue
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13990 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.54
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
60.8 130.5 280.8 604.7
______________________________________________________________________
TABLE 2026 Phase 1 With Project-11
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Grapeland Street-Segovia Avenue
and C-1 Retail Driveway 1
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13910 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.29
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
63.4 131.2 280.0 601.8
______________________________________________________________________
TABLE 2026 Phase 1 With Project-12
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-1 Retail Driveway 1 and Terra
Vista Drive
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13960 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.31
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
63.6 131.5 280.6 603.3
______________________________________________________________________
TABLE 2026 Phase 1 With Project-13
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Terra Vista Drive and C-2 Retail
Driveway 2
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 18600 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.28
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
76.9 159.1 339.6 730.2
______________________________________________________________________
TABLE 2026 Phase 1 With Project-14
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-2 Retail Driveway 2 and Duncan
Canyon Road
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 18610 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.28
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
76.9 159.2 339.8 730.4
______________________________________________________________________
TABLE 2026 Phase 1 With Project-15
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Duncan Canyon Road and Fieldcress
Drive
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 16125 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.66
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
70.6 145.0 309.0 663.9
______________________________________________________________________
TABLE 2026 Phase 1 With Project-16
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Fieldcress Drive and Casa Grande
Drive
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 16045 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.64
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
70.4 144.5 308.0 661.7
______________________________________________________________________
TABLE 2026 Phase 1 With Project-17
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Casa Grande Drive and Summit
Avenue
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 16105 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.65
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
70.5 144.9 308.7 663.4
______________________________________________________________________
TABLE 2026 Phase 1 With Project-18
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue South of Summit Avenue
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 19620 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 38 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.68
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
84.6 167.2 352.7 756.2
______________________________________________________________________
TABLE 2026 Phase 1 With Project-19
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue Between Duncan Canyon Road and Casa Grande
Drive
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 8395 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.62
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 70.3 144.2 307.3
______________________________________________________________________
TABLE 2026 Phase 1 With Project-20
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue South of Casa Grande Drive
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 8420 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 28 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.38
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 71.8 145.2 308.1
______________________________________________________________________
TABLE 2026 Phase 1 With Project-21
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Grapeland Street and Arboretum
Avenue
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 With Project-22
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Arboretum Avenue and Terra Vista
Drive
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 With Project-23
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Terra Vista Drive and Elementary
School North Driveway
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 With Project-24
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School North Driveway
and Elementary School South Driveway
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 870 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 53.59
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 With Project-25
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School South Driveway
and Duncan Canyon Road
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 625 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 52.15
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 With Project-26
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Duncan Canyon Road and Gardens
Street
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2295 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 56.30
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 88.7
______________________________________________________________________
TABLE 2026 Phase 1 With Project-27
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Gardens Street and Casa Grande
Drive
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2480 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 56.63
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 93.1
______________________________________________________________________
TABLE 2026 Phase 1 With Project-28
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cypress Avenue and Cassava
Drive
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2026 Phase 1 With Project-29
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cassava Drive and Sierra Avenue
NOTES: Arboretum - 2026 Phase 1 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-01
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between I-15 NB Ramps and John
Previti Avenue
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13665 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 30 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.36
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 96.1 199.0 424.7
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-02
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between John Previti Avenue and
Citrus Avenue
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12935 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.00
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 88.4 190.2 409.5
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-03
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Citrus Avenue and Arboretum
Avenue
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 7300 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.83
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 86.1 185.1
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-04
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Arboretum Avenue and Cypress
Avenue
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 5945 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.93
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 75.2 161.5
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-05
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cypress Avenue and Elementary
School Driveway 3
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 5960 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.95
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 75.3 161.7
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-06
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Elementary School Driveway 3
and Cassava Drive
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 5990 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.97
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 75.5 162.3
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-07
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cassava Drive and Sierra
Avenue
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 6615 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.82
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 81.3 173.6
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-08
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road East of Sierra Avenue
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 680 SPEED (MPH): 25 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 49.05
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-09
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between I-15 NB Ramps and Riverside Avenue
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 24505 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.47
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
91.0 190.5 407.9 877.3
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-10
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Riverside Avenue and Grapeland
Street-Segovia Avenue
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13255 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.31
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
58.7 125.9 270.9 583.4
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-11
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Grapeland Street-Segovia Avenue
and C-1 Retail Driveway 1
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13160 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.05
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
61.4 126.5 269.9 580.0
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-12
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-1 Retail Driveway 1 and Terra
Vista Drive
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13150 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.05
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
61.3 126.5 269.7 579.7
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-13
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Terra Vista Drive and C-2 Retail
Driveway 2
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 16480 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.75
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
71.5 147.1 313.5 673.6
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-14
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-2 Retail Driveway 2 and Duncan
Canyon Road
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 16480 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.75
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
71.5 147.1 313.5 673.6
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-15
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Duncan Canyon Road and Fieldcress
Drive
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15150 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.39
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
68.1 139.3 296.5 636.9
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-16
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Fieldcress Drive and Casa Grande
Drive
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15055 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.36
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
67.8 138.7 295.2 634.3
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-17
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Casa Grande Drive and Summit
Avenue
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 16430 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.74
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
71.4 146.8 312.8 672.3
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-18
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue South of Summit Avenue
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 20180 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 38 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.80
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
85.9 170.2 359.3 770.5
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-19
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue Between Duncan Canyon Road and Casa Grande
Drive
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 9770 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.28
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 76.9 159.2 339.8
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-20
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue South of Casa Grande Drive
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 10050 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 28 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.14
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 79.5 162.7 346.4
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-21
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Grapeland Street and Arboretum
Avenue
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-22
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Arboretum Avenue and Terra Vista
Drive
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-23
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Terra Vista Drive and Elementary
School North Driveway
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-24
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School North Driveway
and Elementary School South Driveway
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-25
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School South Driveway
and Duncan Canyon Road
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 100 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 44.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-26
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Duncan Canyon Road and Gardens
Street
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1925 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 55.53
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 79.7
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-27
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Gardens Street and Casa Grande
Drive
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2245 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 56.20
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 87.5
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-28
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cypress Avenue and Cassava
Drive
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 Without Project-29
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cassava Drive and Sierra Avenue
NOTES: Arboretum - 2028 Phase 2 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 With Project-01
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between I-15 NB Ramps and John
Previti Avenue
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14985 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 30 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.76
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 101.6 211.3 451.5
______________________________________________________________________
TABLE 2028 Phase 2 With Project-02
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between John Previti Avenue and
Citrus Avenue
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14435 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.48
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 95.1 204.6 440.5
______________________________________________________________________
TABLE 2028 Phase 2 With Project-03
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Citrus Avenue and Arboretum
Avenue
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 9330 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.89
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 101.3 218.0
______________________________________________________________________
TABLE 2028 Phase 2 With Project-04
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Arboretum Avenue and Cypress
Avenue
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 8085 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.27
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 92.1 198.2
______________________________________________________________________
TABLE 2028 Phase 2 With Project-05
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cypress Avenue and Elementary
School Driveway 3
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 7990 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.22
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 91.4 196.6
______________________________________________________________________
TABLE 2028 Phase 2 With Project-06
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Elementary School Driveway 3
and Cassava Drive
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 7750 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.09
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 89.6 192.7
______________________________________________________________________
TABLE 2028 Phase 2 With Project-07
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cassava Drive and Sierra
Avenue
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 7925 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.60
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 91.5 195.7
______________________________________________________________________
TABLE 2028 Phase 2 With Project-08
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road East of Sierra Avenue
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 680 SPEED (MPH): 25 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 49.05
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 With Project-09
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between I-15 NB Ramps and Riverside Avenue
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 25440 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.64
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
93.1 195.3 418.1 899.5
______________________________________________________________________
TABLE 2028 Phase 2 With Project-10
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Riverside Avenue and Grapeland
Street-Segovia Avenue
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15295 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.93
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
64.5 138.4 298.0 641.8
______________________________________________________________________
TABLE 2028 Phase 2 With Project-11
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Grapeland Street-Segovia Avenue
and C-1 Retail Driveway 1
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15545 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.78
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
67.8 141.0 301.4 648.1
______________________________________________________________________
TABLE 2028 Phase 2 With Project-12
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-1 Retail Driveway 1 and Terra
Vista Drive
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15145 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.66
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
66.8 138.7 296.2 636.9
______________________________________________________________________
TABLE 2028 Phase 2 With Project-13
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Terra Vista Drive and C-2 Retail
Driveway 2
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 19820 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.55
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
79.9 165.8 354.3 761.7
______________________________________________________________________
TABLE 2028 Phase 2 With Project-14
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-2 Retail Driveway 2 and Duncan
Canyon Road
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 19590 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.50
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
79.3 164.6 351.5 755.8
______________________________________________________________________
TABLE 2028 Phase 2 With Project-15
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Duncan Canyon Road and Fieldcress
Drive
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 17510 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.01
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
74.1 153.0 326.3 701.4
______________________________________________________________________
TABLE 2028 Phase 2 With Project-16
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Fieldcress Drive and Casa Grande
Drive
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 17410 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.99
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
73.9 152.4 325.1 698.7
______________________________________________________________________
TABLE 2028 Phase 2 With Project-17
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Casa Grande Drive and Summit
Avenue
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 18205 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.18
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
75.9 156.9 334.8 719.8
______________________________________________________________________
TABLE 2028 Phase 2 With Project-18
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue South of Summit Avenue
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 21750 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 38 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.13
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
89.4 178.5 377.5 809.9
______________________________________________________________________
TABLE 2028 Phase 2 With Project-19
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue Between Duncan Canyon Road and Casa Grande
Drive
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 10120 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.43
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 78.5 162.9 347.8
______________________________________________________________________
TABLE 2028 Phase 2 With Project-20
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue South of Casa Grande Drive
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 10720 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 28 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.42
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 82.6 169.7 361.5
______________________________________________________________________
TABLE 2028 Phase 2 With Project-21
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Grapeland Street and Arboretum
Avenue
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 With Project-22
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Arboretum Avenue and Terra Vista
Drive
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 With Project-23
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Terra Vista Drive and Elementary
School North Driveway
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 250 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 48.17
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 With Project-24
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School North Driveway
and Elementary School South Driveway
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1005 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 54.22
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 With Project-25
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School South Driveway
and Duncan Canyon Road
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 740 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 52.89
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 With Project-26
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Duncan Canyon Road and Gardens
Street
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2410 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 56.51
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 91.4
______________________________________________________________________
TABLE 2028 Phase 2 With Project-27
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Gardens Street and Casa Grande
Drive
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2580 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 56.81
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 95.4
______________________________________________________________________
TABLE 2028 Phase 2 With Project-28
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cypress Avenue and Cassava
Drive
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2028 Phase 2 With Project-29
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cassava Drive and Sierra Avenue
NOTES: Arboretum - 2028 Phase 2 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1130 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 54.72
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 53.7
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-01
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between I-15 NB Ramps and John
Previti Avenue
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14780 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 30 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.70
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 100.8 209.4 447.4
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-02
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between John Previti Avenue and
Citrus Avenue
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13895 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.31
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 92.8 199.5 429.5
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-03
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Citrus Avenue and Arboretum
Avenue
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 8310 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.39
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 93.8 201.8
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-04
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Arboretum Avenue and Cypress
Avenue
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 6730 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.47
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 81.6 175.4
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-05
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cypress Avenue and Elementary
School Driveway 3
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 7010 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.65
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 83.8 180.2
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-06
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Elementary School Driveway 3
and Cassava Drive
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 7060 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.68
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 84.2 181.1
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-07
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cassava Drive and Sierra
Avenue
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 8150 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.72
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 93.2 199.4
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-08
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road East of Sierra Avenue
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 700 SPEED (MPH): 25 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 49.18
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-09
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between I-15 NB Ramps and Riverside Avenue
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 26300 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.78
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
95.1 199.6 427.5 919.7
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-10
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Riverside Avenue and Grapeland
Street-Segovia Avenue
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14105 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.58
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
61.1 131.2 282.3 608.0
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-11
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Grapeland Street-Segovia Avenue
and C-1 Retail Driveway 1
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14010 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.33
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
63.7 131.8 281.3 604.7
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-12
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-1 Retail Driveway 1 and Terra
Vista Drive
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14000 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.32
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
63.7 131.7 281.2 604.4
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-13
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Terra Vista Drive and C-2 Retail
Driveway 2
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 17090 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.91
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
73.1 150.6 321.1 690.1
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-14
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-2 Retail Driveway 2 and Duncan
Canyon Road
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 17095 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.91
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
73.1 150.6 321.2 690.3
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-15
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Duncan Canyon Road and Fieldcress
Drive
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15755 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.56
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
69.6 142.8 304.3 653.8
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-16
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Fieldcress Drive and Casa Grande
Drive
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15645 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.53
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
69.3 142.2 302.8 650.7
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-17
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Casa Grande Drive and Summit
Avenue
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 17760 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.08
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
74.8 154.4 329.4 708.0
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-18
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue South of Summit Avenue
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 21510 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 38 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.08
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
88.9 177.2 374.7 803.9
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-19
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue Between Duncan Canyon Road and Casa Grande
Drive
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 11360 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.93
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 84.3 175.6 375.5
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-20
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue South of Casa Grande Drive
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12150 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 28 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.97
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 89.0 184.0 392.8
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-21
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Grapeland Street and Arboretum
Avenue
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-22
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Arboretum Avenue and Terra Vista
Drive
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-23
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Terra Vista Drive and Elementary
School North Driveway
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-24
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School North Driveway
and Elementary School South Driveway
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-25
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School South Driveway
and Duncan Canyon Road
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 160 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 46.23
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-26
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Duncan Canyon Road and Gardens
Street
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2220 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 56.15
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 86.9
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-27
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Gardens Street and Casa Grande
Drive
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2550 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 56.76
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 94.7
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-28
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cypress Avenue and Cassava
Drive
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 Without Project-29
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cassava Drive and Sierra Avenue
NOTES: Arboretum - 2030 Phase 3 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 With Project-01
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between I-15 NB Ramps and John
Previti Avenue
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 18025 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 30 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 67.56
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
59.1 113.8 238.4 510.3
______________________________________________________________________
TABLE 2030 Phase 3 With Project-02
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between John Previti Avenue and
Citrus Avenue
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 17190 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.24
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 106.8 229.8 494.9
______________________________________________________________________
TABLE 2030 Phase 3 With Project-03
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Citrus Avenue and Arboretum
Avenue
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12490 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.16
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 57.4 123.0 264.7
______________________________________________________________________
TABLE 2030 Phase 3 With Project-04
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Arboretum Avenue and Cypress
Avenue
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 11125 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.66
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 53.1 113.9 245.1
______________________________________________________________________
TABLE 2030 Phase 3 With Project-05
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cypress Avenue and Elementary
School Driveway 3
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 10665 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.47
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 51.7 110.7 238.3
______________________________________________________________________
TABLE 2030 Phase 3 With Project-06
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Elementary School Driveway 3
and Cassava Drive
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 10735 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.50
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 51.9 111.2 239.3
______________________________________________________________________
TABLE 2030 Phase 3 With Project-07
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cassava Drive and Sierra
Avenue
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 10390 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.78
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 51.8 109.3 234.2
______________________________________________________________________
TABLE 2030 Phase 3 With Project-08
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road East of Sierra Avenue
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 700 SPEED (MPH): 25 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 49.18
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 With Project-09
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between I-15 NB Ramps and Riverside Avenue
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 28400 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.11
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
99.8 209.9 449.9 967.9
______________________________________________________________________
TABLE 2030 Phase 3 With Project-10
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Riverside Avenue and Grapeland
Street-Segovia Avenue
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 18275 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.70
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
72.6 155.9 335.5 722.6
______________________________________________________________________
TABLE 2030 Phase 3 With Project-11
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Grapeland Street-Segovia Avenue
and C-1 Retail Driveway 1
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 18510 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.54
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
75.5 158.1 338.4 728.0
______________________________________________________________________
TABLE 2030 Phase 3 With Project-12
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-1 Retail Driveway 1 and Terra
Vista Drive
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 18115 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.44
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
74.5 155.9 333.6 717.6
______________________________________________________________________
TABLE 2030 Phase 3 With Project-13
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Terra Vista Drive and C-2 Retail
Driveway 2
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 22800 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.16
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
87.0 181.7 388.8 836.2
______________________________________________________________________
TABLE 2030 Phase 3 With Project-14
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-2 Retail Driveway 2 and Duncan
Canyon Road
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 22830 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.17
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
87.1 181.9 389.1 836.9
______________________________________________________________________
TABLE 2030 Phase 3 With Project-15
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Duncan Canyon Road and Fieldcress
Drive
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 21215 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.85
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
83.2 173.4 370.6 797.0
______________________________________________________________________
TABLE 2030 Phase 3 With Project-16
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Fieldcress Drive and Casa Grande
Drive
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 21095 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.82
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
83.0 172.7 369.2 794.0
______________________________________________________________________
TABLE 2030 Phase 3 With Project-17
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Casa Grande Drive and Summit
Avenue
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 22285 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.06
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
85.8 179.0 382.9 823.6
______________________________________________________________________
TABLE 2030 Phase 3 With Project-18
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue South of Summit Avenue
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 25680 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 38 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.85
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
98.1 198.5 421.3 904.5
______________________________________________________________________
TABLE 2030 Phase 3 With Project-19
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue Between Duncan Canyon Road and Casa Grande
Drive
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12045 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 87.4 182.5 390.4
______________________________________________________________________
TABLE 2030 Phase 3 With Project-20
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue South of Casa Grande Drive
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13180 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 28 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.32
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 93.4 194.1 414.6
______________________________________________________________________
TABLE 2030 Phase 3 With Project-21
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Grapeland Street and Arboretum
Avenue
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 450 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 50.73
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 With Project-22
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Arboretum Avenue and Terra Vista
Drive
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 490 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 51.10
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 With Project-23
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Terra Vista Drive and Elementary
School North Driveway
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 930 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 53.88
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 With Project-24
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School North Driveway
and Elementary School South Driveway
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1385 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 55.61
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 61.4
______________________________________________________________________
TABLE 2030 Phase 3 With Project-25
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School South Driveway
and Duncan Canyon Road
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1070 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 54.49
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 51.8
______________________________________________________________________
TABLE 2030 Phase 3 With Project-26
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Duncan Canyon Road and Gardens
Street
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2475 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 56.63
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 93.0
______________________________________________________________________
TABLE 2030 Phase 3 With Project-27
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Gardens Street and Casa Grande
Drive
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2720 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 57.04
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 98.6
______________________________________________________________________
TABLE 2030 Phase 3 With Project-28
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cypress Avenue and Cassava
Drive
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 290 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 48.82
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2030 Phase 3 With Project-29
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cassava Drive and Sierra Avenue
NOTES: Arboretum - 2030 Phase 3 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 3275 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.35
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 50.7 108.6
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-01
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between I-15 NB Ramps and John
Previti Avenue
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 16040 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 30 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 67.05
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 105.9 220.9 472.4
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-02
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between John Previti Avenue and
Citrus Avenue
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14875 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.61
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 97.0 208.7 449.4
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-03
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Citrus Avenue and Arboretum
Avenue
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 9330 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.89
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 101.3 218.0
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-04
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Arboretum Avenue and Cypress
Avenue
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 7520 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.96
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 87.8 188.8
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-05
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cypress Avenue and Elementary
School Driveway 3
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 8080 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.27
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 92.1 198.1
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-06
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Elementary School Driveway 3
and Cassava Drive
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 8120 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.29
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 92.4 198.7
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-07
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cassava Drive and Sierra
Avenue
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 9665 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.46
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 104.2 223.3
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-08
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road East of Sierra Avenue
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 710 SPEED (MPH): 25 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 49.24
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-09
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between I-15 NB Ramps and Riverside Avenue
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 28105 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.07
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
99.1 208.5 446.8 961.2
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-10
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Riverside Avenue and Grapeland
Street-Segovia Avenue
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14965 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.84
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
63.6 136.4 293.7 632.5
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-11
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Grapeland Street-Segovia Avenue
and C-1 Retail Driveway 1
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14850 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.58
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
66.0 136.9 292.4 628.6
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-12
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-1 Retail Driveway 1 and Terra
Vista Drive
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14850 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.58
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
66.0 136.9 292.4 628.6
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-13
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Terra Vista Drive and C-2 Retail
Driveway 2
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 17710 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.06
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
74.6 154.1 328.8 706.7
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-14
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-2 Retail Driveway 2 and Duncan
Canyon Road
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 17710 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.06
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
74.6 154.1 328.8 706.7
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-15
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Duncan Canyon Road and Fieldcress
Drive
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 16360 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.72
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
71.2 146.4 311.9 670.4
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-16
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Fieldcress Drive and Casa Grande
Drive
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 16210 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.68
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
70.8 145.5 310.0 666.3
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-17
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Casa Grande Drive and Summit
Avenue
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 19075 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.39
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
78.0 161.7 345.4 742.5
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-18
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue South of Summit Avenue
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 22870 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 38 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.35
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
91.9 184.3 390.2 837.4
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-19
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue Between Duncan Canyon Road and Casa Grande
Drive
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12960 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.51
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 91.4 191.5 409.9
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-20
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue South of Casa Grande Drive
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14250 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 28 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.66
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 98.0 204.2 436.6
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-21
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Grapeland Street and Arboretum
Avenue
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-22
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Arboretum Avenue and Terra Vista
Drive
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-23
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Terra Vista Drive and Elementary
School North Driveway
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-24
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School North Driveway
and Elementary School South Driveway
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-25
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School South Driveway
and Duncan Canyon Road
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 210 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 47.42
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-26
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Duncan Canyon Road and Gardens
Street
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2505 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 56.68
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 93.7
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-27
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Gardens Street and Casa Grande
Drive
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2845 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 57.23
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 101.4
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-28
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cypress Avenue and Cassava
Drive
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 Without Project-29
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cassava Drive and Sierra Avenue
NOTES: Arboretum - 2032 Phase 4 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 With Project-01
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between I-15 NB Ramps and John
Previti Avenue
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 19910 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 30 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 67.99
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
62.2 121.1 254.5 545.2
______________________________________________________________________
TABLE 2032 Phase 4 With Project-02
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between John Previti Avenue and
Citrus Avenue
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 18830 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.63
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
53.0 113.5 244.2 525.8
______________________________________________________________________
TABLE 2032 Phase 4 With Project-03
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Citrus Avenue and Arboretum
Avenue
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14355 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.76
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 62.9 134.9 290.4
______________________________________________________________________
TABLE 2032 Phase 4 With Project-04
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Arboretum Avenue and Cypress
Avenue
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12760 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.25
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 58.2 124.8 268.5
______________________________________________________________________
TABLE 2032 Phase 4 With Project-05
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cypress Avenue and Elementary
School Driveway 3
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12740 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.24
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 58.1 124.6 268.2
______________________________________________________________________
TABLE 2032 Phase 4 With Project-06
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Elementary School Driveway 3
and Cassava Drive
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12800 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.27
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 58.3 125.0 269.1
______________________________________________________________________
TABLE 2032 Phase 4 With Project-07
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cassava Drive and Sierra
Avenue
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14600 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.26
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 64.4 136.8 293.7
______________________________________________________________________
TABLE 2032 Phase 4 With Project-08
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road East of Sierra Avenue
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 710 SPEED (MPH): 25 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 49.24
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 With Project-09
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between I-15 NB Ramps and Riverside Avenue
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 35710 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 73.11
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
115.3 244.1 523.9 1127.5
______________________________________________________________________
TABLE 2032 Phase 4 With Project-10
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Riverside Avenue and Grapeland
Street-Segovia Avenue
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 20560 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.22
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
78.4 168.6 362.9 781.7
______________________________________________________________________
TABLE 2032 Phase 4 With Project-11
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Grapeland Street-Segovia Avenue
and C-1 Retail Driveway 1
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 20880 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.06
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
81.4 171.1 366.6 788.8
______________________________________________________________________
TABLE 2032 Phase 4 With Project-12
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-1 Retail Driveway 1 and Terra
Vista Drive
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 21275 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.14
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
82.4 173.3 371.2 798.7
______________________________________________________________________
TABLE 2032 Phase 4 With Project-13
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Terra Vista Drive and C-2 Retail
Driveway 2
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 25680 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.68
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
93.7 196.5 420.8 905.2
______________________________________________________________________
TABLE 2032 Phase 4 With Project-14
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-2 Retail Driveway 2 and Duncan
Canyon Road
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 26730 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.85
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
96.0 201.7 432.1 929.6
______________________________________________________________________
TABLE 2032 Phase 4 With Project-15
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Duncan Canyon Road and Fieldcress
Drive
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 22990 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.20
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
87.5 182.7 390.9 840.8
______________________________________________________________________
TABLE 2032 Phase 4 With Project-16
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Fieldcress Drive and Casa Grande
Drive
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 22840 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.17
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
87.1 182.0 389.2 837.2
______________________________________________________________________
TABLE 2032 Phase 4 With Project-17
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Casa Grande Drive and Summit
Avenue
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 24165 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.41
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
90.2 188.8 404.1 869.2
______________________________________________________________________
TABLE 2032 Phase 4 With Project-18
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue South of Summit Avenue
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 27410 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 38 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.13
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
101.8 207.0 439.8 944.6
______________________________________________________________________
TABLE 2032 Phase 4 With Project-19
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue Between Duncan Canyon Road and Casa Grande
Drive
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13750 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.76
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 94.8 199.1 426.3
______________________________________________________________________
TABLE 2032 Phase 4 With Project-20
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue South of Casa Grande Drive
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 15640 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 28 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 67.07
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 103.8 217.1 464.5
______________________________________________________________________
TABLE 2032 Phase 4 With Project-21
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Grapeland Street and Arboretum
Avenue
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 400 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 50.21
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 With Project-22
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Arboretum Avenue and Terra Vista
Drive
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 440 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 50.63
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 With Project-23
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Terra Vista Drive and Elementary
School North Driveway
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 810 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 53.28
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 With Project-24
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School North Driveway
and Elementary School South Driveway
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1265 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 55.21
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 57.8
______________________________________________________________________
TABLE 2032 Phase 4 With Project-25
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School South Driveway
and Duncan Canyon Road
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 975 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 54.08
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 With Project-26
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Duncan Canyon Road and Gardens
Street
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2810 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 57.18
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 100.7
______________________________________________________________________
TABLE 2032 Phase 4 With Project-27
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Gardens Street and Casa Grande
Drive
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 3065 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 57.55
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 106.3
______________________________________________________________________
TABLE 2032 Phase 4 With Project-28
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cypress Avenue and Cassava
Drive
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 270 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 48.51
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2032 Phase 4 With Project-29
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cassava Drive and Sierra Avenue
NOTES: Arboretum - 2032 Phase 4 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2920 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 58.85
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 100.7
______________________________________________________________________
TABLE 2050 Without Project-01
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between I-15 NB Ramps and John
Previti Avenue
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 27370 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 30 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.37
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
73.7 148.1 313.9 673.7
______________________________________________________________________
TABLE 2050 Without Project-02
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between John Previti Avenue and
Citrus Avenue
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 23565 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.61
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
61.4 131.7 283.5 610.6
______________________________________________________________________
TABLE 2050 Without Project-03
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Citrus Avenue and Arboretum
Avenue
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 12990 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.33
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 58.9 126.3 271.7
______________________________________________________________________
TABLE 2050 Without Project-04
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Arboretum Avenue and Cypress
Avenue
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 9155 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.81
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 100.1 215.3
______________________________________________________________________
TABLE 2050 Without Project-05
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cypress Avenue and Elementary
School Driveway 3
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13330 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.44
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 59.9 128.4 276.4
______________________________________________________________________
TABLE 2050 Without Project-06
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Elementary School Driveway 3
and Cassava Drive
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 13330 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.44
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 59.9 128.4 276.4
______________________________________________________________________
TABLE 2050 Without Project-07
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cassava Drive and Sierra
Avenue
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 19040 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.41
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 76.4 163.1 350.5
______________________________________________________________________
TABLE 2050 Without Project-08
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road East of Sierra Avenue
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 840 SPEED (MPH): 25 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 49.97
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2050 Without Project-09
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between I-15 NB Ramps and Riverside Avenue
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 44315 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 74.05
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
132.4 281.6 604.8 1302.0
______________________________________________________________________
TABLE 2050 Without Project-10
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Riverside Avenue and Grapeland
Street-Segovia Avenue
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 22720 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.65
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
83.8 180.2 387.9 835.5
______________________________________________________________________
TABLE 2050 Without Project-11
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Grapeland Street-Segovia Avenue
and C-1 Retail Driveway 1
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 21900 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.27
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
83.9 176.6 378.4 814.3
______________________________________________________________________
TABLE 2050 Without Project-12
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-1 Retail Driveway 1 and Terra
Vista Drive
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 21900 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.27
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
83.9 176.6 378.4 814.3
______________________________________________________________________
TABLE 2050 Without Project-13
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Terra Vista Drive and C-2 Retail
Driveway 2
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 22710 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.14
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
86.8 181.3 387.8 834.0
______________________________________________________________________
TABLE 2050 Without Project-14
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-2 Retail Driveway 2 and Duncan
Canyon Road
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 22710 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.14
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
86.8 181.3 387.8 834.0
______________________________________________________________________
TABLE 2050 Without Project-15
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Duncan Canyon Road and Fieldcress
Drive
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 21780 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.96
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
84.6 176.4 377.2 811.1
______________________________________________________________________
TABLE 2050 Without Project-16
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Fieldcress Drive and Casa Grande
Drive
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 21450 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.90
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
83.8 174.6 373.3 802.9
______________________________________________________________________
TABLE 2050 Without Project-17
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Casa Grande Drive and Summit
Avenue
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 30930 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.49
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
105.3 222.1 476.1 1024.6
______________________________________________________________________
TABLE 2050 Without Project-18
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue South of Summit Avenue
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 35010 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 38 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.20
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
117.5 242.5 517.2 1111.8
______________________________________________________________________
TABLE 2050 Without Project-19
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue Between Duncan Canyon Road and Casa Grande
Drive
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 27330 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.75
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
71.5 147.0 313.2 673.2
______________________________________________________________________
TABLE 2050 Without Project-20
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue South of Casa Grande Drive
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 33180 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 28 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.33
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
81.5 167.3 356.4 765.8
______________________________________________________________________
TABLE 2050 Without Project-21
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Grapeland Street and Arboretum
Avenue
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1870 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 56.91
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 74.9
______________________________________________________________________
TABLE 2050 Without Project-22
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Arboretum Avenue and Terra Vista
Drive
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1870 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 56.91
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 74.9
______________________________________________________________________
TABLE 2050 Without Project-23
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Terra Vista Drive and Elementary
School North Driveway
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2050 Without Project-24
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School North Driveway
and Elementary School South Driveway
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 0 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 24.19
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2050 Without Project-25
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School South Driveway
and Duncan Canyon Road
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 1760 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 56.65
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 71.9
______________________________________________________________________
TABLE 2050 Without Project-26
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Duncan Canyon Road and Gardens
Street
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 5100 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.77
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 71.6 147.4
______________________________________________________________________
TABLE 2050 Without Project-27
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Gardens Street and Casa Grande
Drive
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 5515 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.11
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 75.1 155.1
______________________________________________________________________
TABLE 2050 Without Project-28
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cypress Avenue and Cassava
Drive
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 4360 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.59
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 61.2 131.4
______________________________________________________________________
TABLE 2050 Without Project-29
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cassava Drive and Sierra Avenue
NOTES: Arboretum - 2050 Without Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 4355 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.58
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 61.2 131.3
______________________________________________________________________
TABLE 2050 With Project-01
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between I-15 NB Ramps and John
Previti Avenue
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 31240 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 30 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.95
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
79.4 161.2 342.6 735.7
______________________________________________________________________
TABLE 2050 With Project-02
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between John Previti Avenue and
Citrus Avenue
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 27520 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.28
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
68.0 146.1 314.4 677.2
______________________________________________________________________
TABLE 2050 With Project-03
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Citrus Avenue and Arboretum
Avenue
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 18015 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.75
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 73.1 156.9 337.9
______________________________________________________________________
TABLE 2050 With Project-04
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Arboretum Avenue and Cypress
Avenue
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 14395 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.78
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 63.0 135.2 291.0
______________________________________________________________________
TABLE 2050 With Project-05
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cypress Avenue and Elementary
School Driveway 3
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 17970 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.74
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 72.9 156.7 337.3
______________________________________________________________________
TABLE 2050 With Project-06
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Elementary School Driveway 3
and Cassava Drive
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 18010 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.75
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 73.0 156.9 337.8
______________________________________________________________________
TABLE 2050 With Project-07
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road Between Cassava Drive and Sierra
Avenue
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 23975 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 67.41
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 88.8 190.0 408.6
______________________________________________________________________
TABLE 2050 With Project-08
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Duncan Canyon Road East of Sierra Avenue
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 840 SPEED (MPH): 25 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 49.97
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 0.0
______________________________________________________________________
TABLE 2050 With Project-09
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between I-15 NB Ramps and Riverside Avenue
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 46920 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 74.30
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
137.4 292.4 628.3 1352.5
______________________________________________________________________
TABLE 2050 With Project-10
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Riverside Avenue and Grapeland
Street-Segovia Avenue
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 28315 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 73.61
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
97.0 208.6 449.2 967.5
______________________________________________________________________
TABLE 2050 With Project-11
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Grapeland Street-Segovia Avenue
and C-1 Retail Driveway 1
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 27930 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.32
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
97.9 207.3 444.9 957.5
______________________________________________________________________
TABLE 2050 With Project-12
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-1 Retail Driveway 1 and Terra
Vista Drive
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 28325 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 20 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.38
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
98.7 209.2 449.1 966.5
______________________________________________________________________
TABLE 2050 With Project-13
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Terra Vista Drive and C-2 Retail
Driveway 2
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 30680 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.45
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
104.7 220.9 473.6 1019.0
______________________________________________________________________
TABLE 2050 With Project-14
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between C-2 Retail Driveway 2 and Duncan
Canyon Road
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 31730 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.60
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
107.0 225.8 484.3 1042.2
______________________________________________________________________
TABLE 2050 With Project-15
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Duncan Canyon Road and Fieldcress
Drive
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 28410 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.12
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
99.8 210.0 450.0 968.2
______________________________________________________________________
TABLE 2050 With Project-16
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Fieldcress Drive and Casa Grande
Drive
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 33080 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.78
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
109.8 232.1 497.9 1071.5
______________________________________________________________________
TABLE 2050 With Project-17
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue Between Casa Grande Drive and Summit
Avenue
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 41020 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 73.71
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
126.0 267.6 574.5 1236.7
______________________________________________________________________
TABLE 2050 With Project-18
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Sierra Avenue South of Summit Avenue
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 39550 SPEED (MPH): 55 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 38 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.73
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
126.4 262.5 560.8 1205.8
______________________________________________________________________
TABLE 2050 With Project-19
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue Between Duncan Canyon Road and Casa Grande
Drive
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 28120 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.87
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
72.7 149.7 319.2 686.1
______________________________________________________________________
TABLE 2050 With Project-20
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Citrus Avenue South of Casa Grande Drive
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 34570 SPEED (MPH): 45 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 28 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.51
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
83.5 171.8 366.2 787.1
______________________________________________________________________
TABLE 2050 With Project-21
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Grapeland Street and Arboretum
Avenue
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2270 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 57.75
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 85.2
______________________________________________________________________
TABLE 2050 With Project-22
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Arboretum Avenue and Terra Vista
Drive
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2310 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 57.83
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 86.2
______________________________________________________________________
TABLE 2050 With Project-23
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Terra Vista Drive and Elementary
School North Driveway
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2625 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 58.38
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 93.8
______________________________________________________________________
TABLE 2050 With Project-24
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School North Driveway
and Elementary School South Driveway
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 3025 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.00
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 103.0
______________________________________________________________________
TABLE 2050 With Project-25
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Elementary School South Driveway
and Duncan Canyon Road
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 2630 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 58.39
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 0.0 93.9
______________________________________________________________________
TABLE 2050 With Project-26
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Duncan Canyon Road and Gardens
Street
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 5405 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.02
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 74.2 153.0
______________________________________________________________________
TABLE 2050 With Project-27
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Cypress Avenue Between Gardens Street and Casa Grande
Drive
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 5735 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.28
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 76.8 159.1
______________________________________________________________________
TABLE 2050 With Project-28
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cypress Avenue and Cassava
Drive
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 4630 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.85
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 63.7 136.7
______________________________________________________________________
TABLE 2050 With Project-29
FHWA ROADWAY NOISE LEVEL ANALYSIS
RUN DATE: 06/18/2025
ROADWAY SEGMENT: Grapeland Street Between Cassava Drive and Sierra Avenue
NOTES: Arboretum - 2050 With Project
______________________________________________________________________
* * ASSUMPTIONS * *
AVERAGE DAILY TRAFFIC: 7275 SPEED (MPH): 35 GRADE: .5
TRAFFIC DISTRIBUTION PERCENTAGES
DAY EVENING NIGHT
--- ------- -----
AUTOS
75.51 12.57 9.34
M-TRUCKS
1.56 0.09 0.19
H-TRUCKS
0.64 0.02 0.08
ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT
______________________________________________________________________
* * CALCULATED NOISE LEVELS * *
CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.81
DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL
70 CNEL 65 CNEL 60 CNEL 55 CNEL
------- ------- ------- -------
0.0 0.0 85.9 184.7
______________________________________________________________________