05-0058 Traffic Report 03282005Green Village Subdivision
Yeim, Washington
City of Yelm Project Number: 244-1781-015 08 01
Traffc Impact Study
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March 28, 2005
Prepared for:
SCA Consulting Group
4200 - 6`h Ave, Suite 301
Lacey, WA 98509-3485
F~eCelVed
Prepared by: APR 0 1 2005
Transportation Engineering NorthWest
Transportation Engineering/Operadons • Impact Studies • Design Services • Transportation P[anning/Forecasting
16625 Redmond Way, Suite M, PMB 323 • Redmond, WA 98052 • Office/Mobile (206) 396-8286 • Fax (425) 398-5779
Green Village Subdivision - Yelm, WA
Table of Contents
Traffic Impact Study
FINDINGS & CONClUSIONS .......................................................................................................................1
INTRODUCTION ............................................................................................................................................2
Project Description ...................................................................................................................................2
Traffic Study Approach .......................:.....................................................................................................2
Primary Data and Information Sources ..............:.......................................:............................................ ..3
EXISTING COND{TIONS ..........................:....................................................................................................6
' Study Area .............................................................................................................................................. ..6
Existing Tratfic Volumes ......................................................................................................................... ..6
Existing Intersection LOS .....................................................:................................................................. ..8
Non-Motorized Transportation Facilities ................................................................................................. 11
Public Transportation Services ............................................................................................................:.. 11
Planned Transportation Improvements ................................................................................................... 11
DETERMINATION OF IMPACT .........:......................................................................................................... 13
Trip Generation ...........:........................................................................................................................... 13
Trip Distribution and Assignment ............................................................................................................ 13
Traffic Volume Impact ............................................................................................................................. 16
Intersection LOS Analysis .....................................................................................................:................ 16
Site Access Analysis .............................................................................................................................. 19
Non-Motorized Impacts ........................................................................................................................... 20
Public Transportation Impacts ................................................................................................................ 20
MITIGATION MEASURES ........................................................................................................................... 21
Traffic Impact Fee ................................................................................................................................... 21
Non-Motorized Improvements .........................................................................................:...................... 21
Appendix A - Traffic Counts
Appendix B- Intersection LOS Analysis Results
Appendix C- Future Traffic Volume Estimates
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Green Village Subdivision - Yelm, WA Traffic Impact Study
List of Figures and Tables
Figure 1. Project Vicinity .............................:.................................................................................................4
.Figure 2. Proposed Site Plan ...................................................................................................................... ..5
Figure 3. Existing Channelization and Traffic Control ................................................................................. ..7
Figure 4. Existing 2005 PM Peak Hour Traffic Volumes ............................................................................. ..9
Figure 5. Project Trip Distribution ................................................................................................................ 14
Figure 6. PM Peak Hour Trip Assignment ................................................................................................... 15
Figure 7. 2006 Without Project PM Peak Hour Traffic Volumes ................................................................. 17
Figure 8. 2006 With Project PM Peak Hour Traffic Volumes ...................................................................... 1$
Table 1. LOS Criteria for Signalized and Unsignalized Intersections ...........................................................8
Table 2. Green Village Subdivision Existing PM Peak Hour LOS Summary ..............................................10
Table 3. Green Village Subdivision (52 Lots) - Trip Generation Comparison~ .........................................13
Table 4. Green Village Subdivision 2006 PM Peak Hour LOS Summary .................................................19
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Green Village Subdivision - Yelm, WA
Traffic Impact Study
FINDINGS 8t CONCLUSIONS
Project Proposal. The proposed development would consist of up to 52 lots of single-
family homes. The site is located north of Yelm Avenue (SR-510) between Burnett Road
SE and Mountain View Road SE.
Access. Vehicle access to the proposed site would be provided via a new local access
road through the parcel with access on both ends to Burnett Road SE and Mountain View
Road SE.
Trip Generation. Project buildout is estimated to generate approximately 500 daily
trips, with 39 trips occurring during the AM peak hour, anc153 during the PM peak hour.
Study Area Operations. All signalized intersections and movements at unsignalized
intersections are expected to operate at LOS D or better during the PM peak hour with or
without the project. This assumes the center turn lane at the Mountain View Road SE
intersection on Yelm Avenue that is being constructed by the School District in 2005.
Non-Motorized Impacts. Frontage improvements (curb, gutter, and sidewalks) would
be provided on the property frontages of Burnett Road SE and Mountain View Road SE.
Mitigation. The following is identified to mitigate the traffic impacts.
1. Traffic Impact Fee. The Green Village Subdivision development would be
subject to a$39,750 traffic impact fee ($750 per PM peak hour trip X 53 trips),
which is based on the 52 single-family residential lots.
2. Non-Motorized Improvements. Standard frontage improvements, including
curb/gutter/sidewalk would be provided on the internal local plat road and all
property frontages along existing City streets including Burnett Road SE and
Mountain View Road SE.
Transportation Engineering NorthWest ~" ~ March 28, 2005
Green Vil(age Subdivision - Yeim, WA
[NTRODUCTION
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Traffic (mpact Study
This traffic impact analysis has been prepared for the proposed Green Village
Subdivision. The analysis is based upon the City of Yelm's Traffic Scoping
Response letter dated February 7, 2005 and Parametrix's Site Traffic Distribution
Memorandum dated March 3, 2005.
Project Description
Location. The proposed development would consist of up to 52 lots of either
single-family or detached elderly housing. For the purposes of this analysis, a
worst-case scenario of 52 lots of single-family housing was used in determining
trip generation. The project site is located north of Yelm Avenue (SR-510)
between Burnett Road SE and Mountain View Road SE. See Figure 1 Vicinity ,
Map.
Access. Vehicular access to the proposed site would be provided via a new local
access road through the parcel with access on both ends to Burnett Road SE and
Mountain View Road SE. The proposed site plan is shown in Figure 2.
For the purpose of this traffic impact study, 2006 was selected as the build-out
year based upon anticipated completion and fi~ll occupancy of the proposed
development.
Traffic Study Approach
The report documents the evaluation of traffic impacts and recommended
mitigation measures for the proposed development. To evaluate the trafFic
impacts of the Green Village Subdivision, the following tasks were undertaken:
• Described and assessed existing transportation conditions in the area;
• Discussed planned transportation improvements;
• Documented future without-project traffic forecasts and assumptions;
• Estimated trip generation and documented distribution of project traffic;
• Evaluated intersection LOS at 3 study intersections for weekday PM peak
hour conditions;
• Assessed impacts to public transportation services and non-motorized
transportation facilities;
• Analyzed site driveway impacts; and
• Identified mitigation measures and transportation mitigation fees.
Transportation Engineering NorthWest 2 ' March 28, 2005
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Green Village Subdivision - Yelm, WA
Primary Data and Information Sources
Tra~c Impact Study
• Year 2005 PM Peak Hour Traffic Volumes; source: All Traffic Data
Services, Inc.
• Highway Capacity Manual (HC1l~, Special Report 209, Transportation
Research Board (TRB), Year 2~00 Edition.
• City of Yelm Development Guzdelines - July 19, 2000.
• City of Yelm 2004-2009 Six-Year Transportation Improvement Program,
adopted July 2004.
• Institute of Transportation Engineers (ITE) Trip Generation Manual,
7th Edition, 2004.
• City of Yelm Municipal Code 15.40 - Concurrency Management.
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1'ransportation Engineering NorthWest 3 March 28, 2005
Green Village Subdivision - Yelm, WA
Traffic fmpact Study
Figure l. Project Vicinity
(NOt to Scale)
V 1 CCI I V IIIQ~C
Transportation Figure 1 Subdivision
Engineering Pr0'ect Vicini Yetm, WA
NorthWest, LLC ' ~ ~
TrafRc Impact Study
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Figure 2. Proposed Site Plan
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Not to Scale
Green Vi(lage
Transportation Figure 2 . Subdivision
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TrafRc Impact Study
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Green Village Subdivision - Yelm, WA Traffic Impact Study
EXtST[NG COND[TIONS
Study Area
Based upon the trip generation and trip distribution of project trafFic, the
following 3 intersections are anticipated to require PM peak hour analysis based
on the City's 20-trip threshold, and were thus analyzed under existing conditions
(locations with existing channelization and tr~c control are shown in Figure 3):
1. SR 510 / Yelm Avenue / Burnett Road SE
2. SR S 10 / Yelm Avenue / Mountain View Road SE
3. SR 510 / Yelm Avenue / 1 St Street
The following paragraphs describe existing roadways that would be used as major
routes to/from the site. Roadway characteristics are described in terms of facility
type, number of lanes, and posted speed limits.
Yelm Avenue (SR 510) is classified as a Major Arterial with a posted speed limit
of 25 mph to 35 mph within the city limits. The roadway has one travel lane in
each direction. A center turn lane exists on Yelm Avenue east of Clark Road.
Burnett Road SE is a two-lane local access road with 20 feet of pavement for
travel lanes and 4- to 8-foot gravel shoulders. North of the proposed development
site, curbs, sidewalks and parking are provided on the east side of the street. The
total pavement width is 29 feet along this section. The posted speed limit is 25
mph.
Mountain View Road SE is a two-lane local access road with 19 feet of
pavement, 2- to 6-foot gravel shoulders, and a 25 mph posted speed.
lst Street SE (SR 507) is a two-lane roadway with 11-foot travel lanes, curbs,
sidewalks, and 4- to 6-foot paved shoulders along various parts of the street. The
City classifies this road as a Major Arterial, and WSDOT's classification is a rural
minor arterial. The speed limit in the vicinity of Yelm Avenue and the general
business district of Yelm is 25 mph.
Existing Traffic Vo(umes
Figure 4 illustrates 2005 PM peak hour traffic volumes at the three study
intersections. Based on discussions with the City of Yelm, a 4 percent annual
growth rate was used to account for traffic growth in the area. Therefore, those
traffic volumes not counted in the year 2005 were factored by 4 percent pear year
to arrive at estimated 2005 traffic volume conditions.
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Green Village Subd'Nision - Yelm, WA Traffic Impact Study
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Figure 3. Existing Channelization and Traffic Control
Green viuage
Transportation Figure 3 Subdivision
Engineering Existing Channetization and Ye~m, WA
Northwest, ~~c Traffic Control
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(Not to Scale) i ~' ""'' '"s" ~
Green Viilage Subdivision - Yelm, WA
Traffic Impact Study
All Traffic Data Services; Inc. conducted weekday PM peak hour traffic volumes
in January 2005 at the Yelm Avenue (SR-510) / Burnett Road SE intersection and
in March 2005 at the Yelm Avenue (SR-510) / Mountain View Road SE
intersection. Weekday PM peak hour traffic volume data was collected in
September 2003 at the intersection of Yelm Avenue (SR-510) / 1 St Street.
Appendix A provides the detailed traffic volume sheets for each study
intersection.
Existing [ntersection LOS
Weekday PM peak hour level of service (LOS) analyses were conducted at the
three study intersections. The existing channelization and traffic control at the
, three study intersections was illustrated in Figure 3.
Level of service (LOS) serves as an indicator of the quality of traffic flow and ,
degree of congestion at an intersection or roadway segment. It is a measure of
vehicle operating speed, travel time, travel delays, and driving comfort. Level of
service is generally described by a letter scale from A to F. LOS A represents
free-flow conditions, i.e. motorists experience little or no delays, and LOS F
represents forced-flow conditions.
Table 1 sumtnarizes the delay range for each level of service at signalized and
unsignalized intersections. The methods used to calculate the levels of service are
described in the Highway Capaciry Manual (Special Report 209, Transportation
Research Board, 2000). The LOS reported for signalized intersections is based on
the overall average control delay (sec/veh) at the intersection. The LOS at stop-
controlled intersections is based on the average control delay (sec/veh) and is
reported for each movement. The City of Yelm maintains a LOS D standard.
Table 1.
• LOS Criteria for Signalized and Unsignalized Intersections
~ SiEnalized Intersection Unsi~nalized Intersection
Level of Service Dela Ran e sec Dela Ran e sec
A , < 10 < 10
B >l0.to 20 >10 to 15
C .>20 to 35 >15 to 25
D >35 to 55 >25 to 35
E >55 to 80 >35 to 50
F >80 >50
Source: "Highway Capacity Manual", Special Report 209, Transportation Research Boazd, 2000
Transportation Engineering NorthWest g March 28, 2005
Green Village Subdivision - Yelm, WA Traffic lmpact Swdy
Figure 4. Existing 2005 PM Peak Hour Traffic Volumes
(Not to Scale)
Transportation Figu1'e 4 Green Vil(age
Engineering Existing 2005 PM Peak subd~v~sion
NorthWest, LLC Yelm, WA
Hour Traffic Volumes TrafRclmpadStudy
1'ransportation Engineering NorthWest 9 March 28, 2005
Green Vil(age Subdivision - Yelm, WA
Traffic Impact Swdy
Intersection LOS were calculated using the methodology and procedures outlined
in the 2000 Highway Capacity Manual, Special Report 209, Transportation
Research Board using the software program of Svnchro 6 for signalized
intersections and Highwav Capacitv for unsignalized intersections.
Existing weekday PM peak hour LOS analysis results for the three study
intersections are summarized in Table 2. Detailed LOS worksheets are provided
in Appendix A. _
Table 2.
. Green Village Subdivision
Existing PM Peak Hour LOS Summary
Study Intersection LOSI DelayZ
/C3
Sisnalized 4:
3. Yelm Avenue / ls` Street SE D 42.0 0.84
Unsi~nalized (stoa controlled movements):
1. Yelm Avenue / Burnett Road:
EB Left-Turn from Yelm Ave A 8.5 011
Turns from Burnett (SB) C 20.0 0.10
2. Yeltn Ave / Mountain View Rd:
EB Left-Turn from Yelm Ave A 8.6 0.02
WB Left-Turn from Yelm Ave A 9.8 0.08
Turns from Mountain View (NB) E 37.0 0.61
Turns from Mountain View (SB) F. 80.6 0.25
1. LOS based on methodologies established in the 2000 Highway Capaciry Manual.
2. De(ay = average control delay per vehicle.
3. V/C = Volume to Capacity ratio.
4. Ali si als were assumed to be full actuated; s lits were o timized.
As shown in Table 2, from Mountain View Road SE onto Yelm Avenue the
northbound side-street turns operate at LOS E and the southbound side-street
turns operate at LOS F during the PM peak hour under existing conditions. Side-
street turns from Burnett Road SE onto Yelm Avenue currently operate at LOS A
or LOS C during the PM peak hour.
According to a standard Synchro LOS model, the Yelm Avenue/lst Street
intersection is currently operating at LOS D during the PM peak hour. However,
it should be noted that the City has indicated this intersection currently operates at
LOS F during the PM peak hour. Extensive queues and delays, particularly along
Yelm Avenue, ha~e been observed throughout the afternoon peak period between
3:00 and 5:00 p.m. Starting at the high school and extending through town,
multiple City intersections and private driveways exist along Yelm Avenue, and
generate turning traffic that disrupts flow along the mainline. This interference
slows traffic and caused additional mainline delay and a failing operation at the
intersection of Yelm Avenue and 1 St Street.
Transportatian EngineeringNorthWest jp March 28, 2005
Green Village Subdivision - Yelm, WA Traffic Impact Study
Non-Motorized Transportation Facilities
Adjacent to the property site, 4- to 8-foot paved shoulders exist on both sides of
Burnett Road SE and 2- to 6-foot gravel shoulders are provided on both sides of
Mountain View Road SE. North of the proposed development site, sidewalks are
~ provided on- the east side of the street on Burnett Road SE.
Public Transportation Services ~
The nearest transit stops are located on Yelm Avenue at its intersection with
Burnett Road SE (approximately 600 feet from the project site) and Mountain
View Road SE (about 1,700 feet from the project site) serving Intercity Transit
Route #94. This transit route provides service between Yelm and Olympia with
stops every hour from about 5:45 a.m. until 8:15 p.m. on weekdays and Saturday
service every 2 hours between about 8:25 a.m. to 6:55 p.m. Transit Route #93
provides service every 45 minutes within the City of Yelm on Saturdays only from
8:30 a.m. until 6:45 p.m. The nearest stop for Route #93 is located on Yelm
Avenue at Cullens Street (approximately 3/4-mile from the project site).
Planned Transportation Improvements
There are several planned transportation improvement projects identified in the
project vicinity for the six-year period between 2004 and 2009. The planned
improvements were identif ed in the City of Yelm's Six-Year Transportation
Improvement Programs (TIP). The projects that would improve intersections
and/or roadways within the study area are identified below, although few are
expected to be complete by 2006. ~
Y-3 Corridor (SR-510 to SR-507) - called Yelm Loop Segment 1.
This project~is part of a larger WSDOT road improvement to provide a direct lirik ~
from SR-510 north (near Mud Run) to SR-507 (near Cattlemans). The City's
portion of this project involves engineering design assistance and right-of-way
acquisition. Funding for construction has not yet been identified by the
Washington State Legislature, and no timeline for construction has been
established. The project is currently in the design phase.
Y-2 Corridor (Five Corners Connector) - called Yelm Loop Segment 2.
This corridor is planned to follow Segment 1 with a new east-west arterial road
connection on the south side of the City between 1 St Street and Yelm Avenue.
This project is in the initial planning phase by WSDOT, and the City is involved
to provide engineering design assistance and right-of-way acquisition.
1'ransportation Engineering Northwest ~ 11 March 28, 2005
Green Village Subd'nrision - Yelm, WA
Traffic Impact Study
Yeim Avenue / Killion Road Intersection.
A new signalized intersection would be provided on Yelm Avenue at Killion
Road to provide improved access on Killion Road north, and a new connection to
the south. This project is part of the larger Y-3 Corridor Plan to have a new
roadway extend from Yelm Avenue at Killion Road to the southwest to provide
access to a residential development.
Mosman Street / lst Street (SR 507) Intersection Realignment.
This City project would re-align both Mosman approaches to lst Street to create a
single intersection. Work on this intersection improvement also includes
repairing shoulders, paving, drainage, partial walks, and lighting. This project is
planned to be complete in 2006.
Yelm Avenue West Improvements (Solberg St to lst Street).
This project includes widening Yelm Avenue to meet the City's Urban A~terial
standards. These standards would include two 11-foot travel lanes, 8-foot
sidewalks on both sides, a 10-foot median planting strip, and a 35 mph posted
speed limit. A timeline for funding or construction has not yet been identified.
Solberg Street / Mosman Street Improvements (SR-510 to SR-507).
This project would widen Mosman and Solberg Streets to City Neighborhood
Collector design standards. A timeline for funding or construction has not yet
been identified.
School District Improvements on Yelm Ave.
The school district will be widening Yelm Ave from just east of Burnett Road SE
to west of Mountain View Road SE to provide a center two-way left-turn lane.
This center turn lane would be included at the intersection of Mountain View
Road SE. The project is scheduled to be constructed in 2005, and is assumed to
be in place prior to the 2006 school year opening.
Transportation Engineering NorthWest 12 March 28, 2005
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Green Village Subdivision - Yelm, WA
DETERM[NAT[ON OF (MPACT
Trip Generation
The trip generation for the proposed development, shown in Table 3, was based
on fitted curve equations documented in the Institute of Transportation Engineers
(ITE) Trin Generation Manual, 7th Edition. Trip generation for both single family
(LUC 210) and detached senior adult housing (LUC 251) were considered.
Based upon the trip generation results summarized below, the single family
residential land use was used in determining trip generation of the proposed
development since it would represent a worst-case scenario. Thus, during a
typical weekday, the proposed development is anticipated to generate 500 daily
trips, 39 AM peak hour trips, and 53 PM peak hour trips.
Table 3.
Green ~Ilage Subdivision (52 Lots) -
Trip Generation Comparison~
~ AM Peak Hour Trips PM Peak Hour Trips Daily
Land Use 2 LUC Total In Out Total In Out Trips
Detached Senior Housing 251 16 4 12 31 20 11 310
Single Family Residential 210 39 10 29 53 33 20 500
1. Trip ra[es based on f tted curve equations in ITE Trip Generation Manual, 7 Edition, 2003.
2. Senior Adult Housin - Detached = ITE LU No. 251, and Sin le Famil Residential= ITE LU No. 210.
Trip Distribution and Assignment
Using standard engineering practices and guidelines, new vehicle trips generated
by the proposed Green Village subdivision were distributed and assigned to the
surrounding street system based on the City's traffic model.
As shown in Figure 5, project trip distribution was assumed to follow these
patterns from the proposed site:
• 45 percent to the northwest via Yelm Avenue (SR 510).
• 55 percent to the southeast via SR 507 on Yelm Avenue and 1St Street.
• 10 percent each local off of Yelm Avenue (SR 510).
The assignment of project-generated trips during the PM peak hour is shown in
Figure 6 based on these distribution patterns.
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Green Village Subdivision = Yelm, WA
Figure 5. Project Trip Distribution
Traffic Impact Study ,
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Transportation
Engineering
NorthWest, LLC
Figuce 5
Project Trip Distribution
~reen vmag
Subdivision
Yelm, WA
Traffic Impad Swdy
Transportation Engineering NorthWest 14 March 28, 2005
Green Viliage Subdivision - Yelm, WA
Figure 6. PM Peak Hour Trip Assignment
Traffic Impact Study
(NOt to Scaie)
Transportation
Engineering
NorthWest, LLC
Figure 6
PM Peak Hour Trip Assignment
~reen Village
Subdivision
Yelm, WA
Traffic Impact Study
Transportation Engineering NorthWest 15 March 28, 2005
Green Village Subdivision - Yelm, WA
Traffic Volume [mpact
Traffic Impact Study
Future traffic volumes with and without the development were estimated for PM
peak hour conditions in the year 2006. Future traffic volumes at the study
intersections were developed based on existing peak hour traffic counts increased
to account for background growth. Based on discussions with the City of Yelm, a
4 percent annual growth rate was used to account for traffic growth in the area. In
addition to the background growth rate, the pipeline project for known as Yelm
Terra Plat (97 single-faznily residential homes) was added to existing conditions
to determine 2006 PM peak hour traffic volumes without the project.
The weekday PM peak hour traffic volumes for year 2006 are shown on Figure 7.
Adding the PM peak hour project trips (shown in Figure 6) to the future without-
project traffic volumes (Figure 7), results in future traffic volumes with the
project, as shown in Figure 8. Future traffic volume estimates in the year 2006
are provided in Appendix C.
Intersection LOS Anatysis
Level of service (LOS) analyses were conducted for weekday PM peak hour
conditions with and without the development in year 2006 at the three study
intersections. Future improvements listed in the City's Six Year TIP were not
assumed in the 2006 analysis.
- The weekday PM peak hour intersection LOS analysis results for the three study
intersections are suminarized in Table 4. The table is set-up to illustrate the LOS
results for future conditions without and with the proposed development. The
table also separates the LOS results for signalized and unsignalized intersections.
Signalized LOS Results. As shown in Table 4 and noted earlier in the Existing
Conditions section of this report, the City has indicated the intersection of 1 St
Street SE/Yelm Avenue currently operates at LOS F during the PM peak hour due
primarily to interference of multiple side-street intersections and driveways along
Yelm Avenue. The traffic analysis using traditional traffic znodel software
indicates that this intersection would operate at LOS D with and without the
project. `
Detailed LOS analysis worksheets are provided in Appendix A.
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Green Village Subdivision - Yelm, WA Traffic Impact Swdy
Figure 7. 2006 Without Project PM Peak Hour Traffic Volumes
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(Not to Scale)
Transportation FigllrC 7. Green Viliage
Subdivision
Engineering 2006 Without Pt'oje~t Yelm, wA
NorthWest, ~~c pM Peak Hour Traffic Volumes
. TraHk Impact Swdy
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Green Village Subdivision - Yelm, WA Traffic impact Study
Figure 8. 2006 With Project PM Peak Hour Traffic Volumes
(NOt to scaie)
Transportation Figure 8 ureen vuiage
Subdivision
Engineering 2006 With Project
NorthWest, ~~c pM peak Hour Traffic Volumes Yelm, wA
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Green Viliage Subdivision - Yelm, WA
Traffic Impact Study
Table 4.
Green Village Subdivision
2006 PM Peak Hour LOS Summary
Without Project With-Project
Study Intersection LOS' DelayZ V/C3 LOS Delay V/C
3. ls` Street SE / Yelm Ave 4 D 49.1 0.90 D 50.5 0.90
Unsignalized:
1. Yelm Avenue / Burnett Road:
EB Left-Turn from Yelm Ave A 8.6 0.02 A 8.6 0.03
Turns from Burnett (SB) C 21.3 0.11 C 22.2 0.17
2. Yelm Ave / Mountain View Rd:
EB Left-Turn from Yelm Ave A 8.6 0.01 A 8.7 0.01
WB Left-Turn from Yelm Ave B 103 0.09 B 10.3 0.09
Turns from Mountain View (NB) D 25.3 0.46 D 25.6 0.46
Turns from Mountain View (SB) D 29.8 0.13 D 34.6 0.22
1. LOS analyses aze based on methodologies established in the 2000 Highway Capacity Manual.
2. Delay = average control delay per vehicle.
3. V/C = Volume to Capacity ratio.
4. Si al was assumed to be full actuated; s lits were o timized under each scenario.
As shown in Table 4, all stop-controlled movements at the two study intersections
on Yelm Avenue are anticipated to operate at LOS D or better during the PM peak
hour with or without the project. A center turn lane is assumed to be constructed
in 2005 at the Mountain View Road SE intersection, which is work being
completed by the school district. ~
Site Access Analysis
Vehicle access to/from the proposed site would be provided via a new local access
road through the entire parcel with access on both ends to Burnett Road SE and
Mountain View Road SE. The proposed internal roadway would provide
adequate two-way circulation and fire and emergency vehicle access to both
Burnett Road SE and Mountain View Road SE.
The proposed internal roadway length exceeds the City's 660 foot block spacing
requirement. In order to minimize the appearance of a long roadway without
internal intersections, the horizontal alignment of the roadway would meander
through the development. The project development is also proposing to modify
the City's Local Access Residential roadway section to provide far parking only
on one side of the roadway with a 7.5' raised median between the lanes. The on-
street parking is proposed to switch sides of the roadway at the middle of the
development. The propose median islands along with the meandering roadway is
also suggested to help provide for some measure of traffic calming.
Transportation Engineering NorthWest 19 March 28, 2005
Green Village Subdivision - Yelm, WA
Non-Motorized Impacts
Traffic tmpact Study
Sidewalks are proposed on one side of all the new local access road within the
proposed development to accommodate pedestrians and separate them from
motorists in the travel lanes.
Frontage improvements (curb, gutter, and sidewalks) would be provided on all
property frontages of Burnett Road SE and Mountain View Road SE.
Pubtic Transportation Impacts
Existing transit services are provided on Yelm Avenue with stops at Burnett Road
SE (approximately 600 feet from the project site) and Mountain View Road SE
(about 1,700 feet from the project site), which are within reasonable walking
distance to the project site. Therefore, no public transportation service
improvements are anticipated as part of this development.
Transportation Engineerin$ NorthWest 20 March 28, 2005
Green Vil(age Subdivision - Yelm, WA
MITIGATION MEASURES
Traffic (mpact Swdy
The following measures are identified to mitigate the traffic impacts of the Green
Village Subdivision development.
Traffic lmpact Fee
The City of Yelm requires payment of a traffic impact fee based on the number of
PM peak hour trips generated by new development. The City has adopted a
Transportation Facilities Charge (TFC) of $750.00 per PM peak hour trip to pay
for projects on the City's six-year TIP. The Green Village Subdivision
development, with 52 single-family residential lots, would be subject to a$39,750
traffic impact fee based upon 53 PM peak hour trips.
Non-Motorized Improvements
Standard frontage improvements, including curb/gutter/sidewalk would be
provided on the internal local plat road and all property frontages along existing
City streets including Burnett Road SE and Mountain View Road SE.
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Transportation Engineering NorthWest 21 March 28, 2005
Appendix A
Traff ic Cou nts
All Traffic Data Services Inc.
2225 NE 27th St
' Renton, WA 98056
Ph. 206-251-b300
Groups Printed- Unshifted
File Name : Burnett&SR510
Site Code : 00000000
Start Date : 1 /12/2005
Page No : 1
BURNETT SR 5t0 BURNETT SR 510
Southbound Westbound Northbound Eastbound
Thr Ri
9
~P' Thr Ri
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'~P'
Thr
Rig
App.
Thr
Rig
App. Exdu
InGu.
Int.
Start Time Left u ht HV Total Left u ht HV Total Left u ht HV Total ~e~ u ht HV Totai Total Total
Total
Fador 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 t.0 1.0 1.0 1.0 1.0 1.0 1.0
03:00 PM 0 0 0 0 0 0 121 3 12 124 0 0 0 0 0 0 721 0 6 121 18 245 263
03:15 PM 6 0 4 0 10 0 128~ 3 8 131 0 0 0 0 0 1 724 0 6 125 14 266 280
0330 PM 3 0 2 0 5 0 108 1 9 109 0 0 0 0 0 2 162 0 8 164 17 278 295
03:45 PM 4 0 0 1 4 0 111 3 5 114 0 0 ~ 0 0 0 2 197 0 12 199 18 317 335
Tofal 13 0 ~ 6 1 19 0 468 10 34 \478 0 0 0 0 0 5 604 0 32 609 67 7106 1173
04:00 PM 3 0 2 0 5 0 114 ~ 7 1 121 , 0 0 0 0 0 3 149 0 4 152 5 278 283
04:15 PM 3 0 1 0 4 0 103 4 2 107 ~ 0 0 0 0 0 2 146 0 7 150 9 261 270
0430 PM 3 0 5 0 6 0 717 5 1 122 0 0 0 0 0 2 169 0 6 171 7 301 308
04:45 PM 1 0 0 0 1 0 122 5 7 127 0 0 0 0 0 9 197 0 5 206 12 334 346
Total 10 ' 0 8 0 18 0 456 27 11 477 0 0 0 0 0 16 663 0~ ~ 22 679 33 1174 1207
05:00 PM 7 0 0 0 7 0 110 7 3 117 0 0 0 0 0 ~ 1 186 0 3 787 6 311 317
05:15 PM 0 0 5 0 5 0 119 4 4 123 0 0 0 0 0 4 190 0 4 194 8 322 330
05:30 PM 1 0 2 0 3 0 97 5 2 102 0 0 0 0 0 2 197 0 4 199 6 304 310
05:45 PM 6 0 0 0 6 0 75 1 0 76 0 0 0 0 0 1 175 ~ 0 3 176 3 258 261
Total 14 0 7 0 21 0 401 17 9 418 0 0 0 0 0 8 748 0 14 756 23 1195~ 1218
Grand Total 37 0 21 1 58 0 i35 48 54 1373 0 0 0 0 0 29 205 0 68 2044 123 3475 3598
Apprch % 63.8 0.0 362 0.0 96.5 3.5 0.0 0.0 0.0 1.4 98.6 0.0
Total % 1.1 0.0 0.6 17 0.0 38.1 ~ 1.4 39.5 0.0 0.0 0.0 0.0 0.8 58.0 0.0 58.8 3.4 96.6
All Traff+c Data Services lnc.
2225 N E 27th St
Renton, WA 98056
Ph. 206-251-0300
File Name : Burnett&SR510
Site Code : 00000000
Start Date : 1/12/2005
Page No : 2
BURNETT
Southbound SR 510
Westbound BURNETT
Northbound SR 510
Eastbound
StartTime Left Thru Right '~P' Left Thru Right '~P' Left Thru Right APP' Left Thru Right App. Int.
Total Total Total Total Total
Peak Hour From 03:00 PM to 05:45 PM - Peak 1 of t
Intersection 04:45 pM
Volume 9 0 7 16 0 448 21 469 0 0 0 0 76 770 0 786 1271
Percent 56.3 0.0 43.8 0.0 95.5 4.5 0.0 0.0 ~ 0.0 Z.0 98.0 0.0 '
04:45 Volume 1 0 0 1 0 122 5 727 0 0 0 0 9 197 0 206 334
Peak Pador . ~ 0.951
High Int. 05:00 PM 04:45 PM 2:45:00 PM 04:45 PM
Volume 7 0 0 7 0 122 5 127 0 0 0 0 9 197 0 206
Peak Fador 0.571 0.923 0.954
Out In Total
37 i6 53
7 0 9
Right Thru Left
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c n ~ t-- 1112/2005 4:45:00 PM ~-~ ~~
~ 1/12/2005 5:30:00 PM 2~ n
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All Traffic Data Services Inc.
2225 NE 27th St
Renton, WA 98056
Ph. 206-251-0300
Grouas Printed- Unshifted
File Name : MountainView&Yelm
Site Code : 00000000
Start Date _ : 3/8/2005
Page No : 1
MOUNTAIN VIEW RD YELM AVE MOUNTAIN VIEW RD YELM AVE
Southbound Westbo und Northbound Eastbound
Start Time
Left
Thru Righ
HV App.
Left
Thru Righ
HV App.
Left
Thru Righ
HV App.
Left
Thni Righ
HV App. Eudu. Indu. Int.
~ Total ~ Total ~ Totai t Total Total Total Total
Factor 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 t.0 1.0 1.0
04:00 PM 4 0 0 0 4 5 126 5 2 136 7 0 9 0 76 2 168 1 7 171 9 327 336
04:15 PM 1 0 1 1 2 12 125 3 3 740 2 0 12 1 14 0 207 4 7 211 12 367 379
0430 PM 3 0 1 0 4 17 134 3 14 154 5 0 36 2 41 4 196 5 8 205 24 404 428
04:45 PM 1 0 3 0 4 16 113 4 4 133 6 ~ 0 29 6 35 2 222 3 4 227 14 399 413
Total 9 -0 5 1 14 50 -498 15 23 563 20 0 86 9 106 8 793 13 26 814 59 1497 1556
05:00 PM 3 0 1 0 4 12 132 2 6 146 14 0 23 0 37 3 168 3~ 5 774 11 361 372
05:15 PM 3 0 0 0 3 14 t27 4 5 145 7 0 30 0 37 2 176 2 8 180 13 365 378
05:30 PM 3 0 2 0 5 10 107 7 1 124 3 1 10 0 14 2 247 3 3 252 4 395 399
05:45 PM 2 0 4 0 6 29 145 2 3 176 1 0 17 0 18 1 190 7 5 198 8 398 406
Total 11 0 7 0 18 65 511 15 15 597 25 1 80 0 106 8 ,~781 15 21 804 36 1519 1555
Grand Total 20 0 12 1 32 115 1009 30 38 1154 45 1 166 9 212
~ 16 1574 28 47 1618 95 3016 3111
Apprch % 62.5 0.0 37.5 10.0 87.4 2.6 212 0.5 78.3 1.0 97.3 1.7
Total % 0.7 0.0 0.4 1.1 3.6 33.5 1.0 38.3 1.5 0.0 5.5 7.0 0.5 522 0.9 ~ 53.6 3.1 96.9
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All Traffic Data Services Inc.
2225 N E 27th St
Renton, WA 98056
Ph. 206-251-0300
File Name : MountainView&Yeim
Site Code : 00000000
Start Date : 3/8/2005 ~
Page No : 2
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Peak Hour From 04:00 PM t o 05:45 PM - Peak 1 of 1
~ Intersedion 04:15 PM
Volume 6 0 6 14 57 504
~ Percent
04:30 Volume 57.1 0.0 42.8
3 0 1 4 9.9
17 88.0
134
PeaKFador
High Int. 0430 PM 0430 PM
~ Volume 3 0 1 4 17 134
Peak Factor 0.875
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12 573 27 0 100 127 9 793 15
2.1 21.3 0.0 78.7 ~ 1.1 97.1 1.6
3 154 5 0 36 4! 4 796 5
0430 PM 04:45 PM
3 154 5 0 36 41 2 222 3
o.sso o.na
Out in Total
21 14 0
6 0 8
Right lYrcu Left
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~M O
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c~ ti`-- l2005 4:15:00 PM ~-~ ~n cn ~
~ 8/2005 5:00:00 PM ~ °p w
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o ~ ~ .~m--1 Unshifted r-m ~
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Left Thru Ri ht
27 0 100
72 i27 199
Out In To[al
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MOUNTAIN VIEW RD YELM AVE MOUNTAIN VIEW RD YELM AVE
Southbound Westbound Northbound Eastbound
Start Time Left Thru Right ~~~ Left Thru Right Left Thru Right To
a~ Left Thru Right
Totat f
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'~P' Int. Total
Total
817 1531
205 404
0.947
227
o.soo
Appendix B
Intersection LOS Analysis Results
2p05 Existing
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Analyst: JGT
Agency/Co.: TENW
Date Performed: 3/11/2005
Analysis Time Period: PM Peak
Intersection: SR 510/Yelm Ave/Burnett Rd
Jurisdiction: City of Yelm
Units: U. S. Customary
Analysis Year: 2005 Existing
Project ID: Burnett Commercial Park
East/West Street: SR S10/Yelm Ave
North/South Street: Burnett Road
Intersection Orientation: EW Study period (hrs): 0.25
Vehicle Volumes and Adjustments
Major Street: Approach Eastbound Westbound
Movement 1 2 3 ~ 4 5 6
L T R ~ L T R
Volume 36 788 488 20
Peak-Hour Factor, PHF 1.00 1.00 1.00 1.00
Hourly Flow Rate, HFR 36 788 488 20
Percent Heavy Vehicles 3 -- -- -- --
Median Type/Storage Undividecl /
RT Channelized?
Lanes 0 1 1 0
Configuration LT TR
Upstream Signal? No No
Minor Street: Approach Northbound Southbound
Movement 7 8 9 ~ 10 11 12
L T R ~ L T R
Volume 4 4
Peak Hour Factor, PHF 1.00 1.00
Hourly Flow Rate, HFR 4 4
Percent Heavy Vehicles 2 2
Percent Grade (o) 0 0
Flared Approach: Exists?/Storage . / No /
Lanes 0 0
Configuration LR
Approach
Movement
Lane Config
v (vph)
C(m) (vph)
v/c
95o~queue length
Contrpl Delay
LOS
Approach Delay
Approach LOS
HCS2000: Unsignalized Intersections Release 4.1d
TWO-WAY STOP CONTROL SUMMARY
Delay, Queue Length, and Level of Service
EB WB Northbound Southbound
1 4 I 7 8 9 ~ 10 •11 12
LT ~ ~. LR
36 8
1052 248
0.03 0.03
0.11 0.10
8.5 20.0
A C
20.0
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HCS2000: Unsignalized Intersections Release 4.1d
TWO-WAY STOP CONTROL SONIMARY
Analyst:
Agency/Co.: TENW ,
Date Performed: 3/11/2005
Analysis Time Period: PM Peak
Intersection: Yelm Ave at Mountain View
Jurisdiction: City of Yelm
Units: U. S. Customary
Analysis Year; 2005 Existing
Project ID: #2442 - Green Village Subdivision
East/West 5treet: SR 510/Yelm Ave
North/South Street: Mountain View Road
Intersection Orientation: EW Study period (hrs): 0.25
Vehicle Volumes and Adjustments
Major Street: Approach Eastbound Westbound
Movement 1 2 3 ~ 4 5 6
L T R ~ L T R
Volume 16 784 20 68 536 12
Peak-Hour Factor, PHF 1.00 1.00 1.00 1.00 1.00 1.00
Hourly Flow Rate, HFR 16 784 20 68 536 12
Percent Heavy Vehicles 3 -- -- 3 -- --
Median Type/Storage Undiv ided /
RT Channelized?
Lanes 0 1 0 0 1 0
Configuration LTR LTR
Upstream Signal? No No
Minor Street: Approach Northbound Southbound
Movement 7 8 9 ~ 10 11 12
L T R ~ L T R
Volume 20 0 144 12 0 4
Peak Hour Factor, PHF 1.00 1.00 1.00 1:00 1.00 1.00
Hourly Flow Rate, HFR 20 0 144 12 0 4
Percent Heavy Vehicles 4 4 4 3 3 3
Percent Grade (%) 0 0
Flared Approach: Exists?/Storage No / No /
Lanes 0 1 0 0 1 0
Configuration LTR LTR
Delay, Queue Length, and Level of Service
Approach EB WB Northbound Southbound
Movement 1 4 ~ 7 8 9 ~ 10 11 12
Lane Config LTR LTR ~ ~ LTR ~ LTR
v(vph) 16 68 164 16
C(m) (vph) 1016 816 270 63
v/c 0.02 0.08 0.61 0.25
95o queue length 0.05 0.27 3.64 0.89
Control Delay 8.6 9:8 37.0 80.6
LOS A A E F
Approach Delay 37.0 80.6
Approach LOS E F
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lst at Ye1m.2005 Existing
HCM Signalized zntersection.Capacity Analysis
3: Yelm Ave (stt-510) & lst St 5E 3/28/2005
Movement EBL EBT EBR WBL WBT WBR NBL
NBT NBR SBL SBT SBR
Lane Configurations 1 1 1 1 1> 0 1
1> 0 1 1> 0
Ideal Flow (vphpl) 1900 1900 1900 1900 1900 1900 1900
1900 1900 1900 1900 1900
~ane Width 12 12 11 12 12 12 12
12 12 11 10 12 ,
Total Lost time (s) 4.0 4.0 4.0 4.0 4.0 4.0
4.0 4.0 4.0
Lane Util. Factor 1.00 1.00 1.00 1.00 1.00 1.00
1.00 1.00 1.00
Frt 1.00 1.00 0.85 1.00 0.99 1.00
0.90 1.00 0.91
Flt Protected 0.95 1.00 1.00 0.95 1.00 0.95
1.00 0.95 1.00
Satd. Flow (prot) 1770 . 1863 1531 1752 1832 1736
1636 1728 1596
Flt Permitted 0.95 1.00 1.00 0.95 1.00 0.95
1.00 0.95 1.00
Satd. Flow (perm) 1770 1863 1531 1752 1832 1736
1636 1728 1596
volume (vph) 112 ~ 544 44 208 512 24 154
103 237 62 72 111
Peak-hour factor, PHF 0.95 0.95 0.95 0.94 0.94 0.94 0.88
0.88 0.88 0.92 0.92 0.92
Adj. Flow (vph) 118 573 46 221 545 26 175
117 269 67 78 121 ~
RTOR Reduction (vph) 0 0 0 0 0 0 0
0 0 0 0 0
Lane Group Flow (vph) 118 573 46 221 571 0 175
386 0 67 199 0
Heavy Vehicles (%) 2% 2% 2% 3% 3% 3% 4%
4% 4% 1% 1% 1%
Turn Type Prot Perm Prot Prot
Prot
Protected Phases 1 6 5 2 7
4 3 8
Permitted Phases 6
Actuated Green, G(s) 6.0 29.3 29.3 11.7 35.0 10.4
22.9 3.0 15.5
Effective Green, g(s) 7.0 30.3 30.3 12.7 36.0 11.4
23.9 4.0 16.5
actuated g/C Ratio 0.08 0.35 0.35 0.15 0.41 0.13
0.28 0.05 0.19
Clearance Time (s) 5.0 5.0 5.0 5.0 5.0 - 5.0
5.0 5.0 S.0
vehicle Extension (s) 3.0 3.0 3.0 3.0 3.0 3.0
3.0 3.0 3.0
~ane Grp Cap (vph) 143 650 534 256 759 228
450 80 303
v/s Ratio Prot 0.07 c0.31 c0.13 0.31
c0.10 c0.24 0.04 0.12
v/s Ratio Perm 0.03
v/c Ratio 0.83 0.88 0.09 0.86 0.75 0.77
0.86 0.84 0.66
llniform Delay, dl 39.3 26.6 19.0 36.3 21.7 36.5
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lst at Yelm 2005 Existing
29.9 41.1 32.6
Progression Factor 1.00 1.00 1.00 1.00
1.00 1.00 1.00
Incremental ~elay, d2 30.5 13.3 0.1 24.6
14.9 50.1 5.1
~elay (s) 69.8 39.9 19.1 60.9
44.8 91.2 37.6
Level of Service E D B E
D F D
Approach Delay (s) 43.4
46.6 51.1
Approach ~os ~
D D
Intersection Summary
HCM Average Control oelay 42.4
D
HCM volume to Capacity ratio 0.84
Actuated Cycle ~ength (s) 86.9
12.0
Intersection Capacity Utilization
Service D
Analysis Period (min) 15
c Critical Lane Group
Green villa~e subdivision 3/11/2005 2005 Existing PM Peak
Transportat~on Engineering Northwest Page 0
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1.00 1.00
4.2 14.3
25.9 ~ 50.8
C D
35.6
D
HCM ~evel of service
sum of lost time (s)
76.9% zCU ~evel of
Synchro 6 Report
2006 Without-Project
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HC52000: Unsignalized Intersections Release 4.,1d
TWO-WAY STOP CONTROL SUMMARY
Analyst:
Agency/Co.: TENW
Date Performed: 3/11/2005
Analysis Time Period: PM Peak ,
Intersection: SR 510/Yelm Ave/Burnett Rd
Jurisdiction: City of Yelm
Units: U. S. Customary
Analysis Year: 2006 Without Project
Project ID: Burnett Commercial Park
East/West Street: SR 510/Yelm Ave
North/South Street: Burnett Road
Intersection Orientation: EW Study period (hrs): 0.25
Vehicle Volumes and Adjustments
Major Street: Approach Eastbound Westbound
Movement 1 2 3 ~ 4 5 6
L T R I L T R
Volcune 17 820 477 22
Peak-Hour Factor, PHF 0.95 0.95 0.92 0.92
Hourly Flow Rate, HFR 17 863 518 23
Percent Heavy Vehicles 3 -- -- -- -- .
Median Type/Storage Undivided /
RT Channelized?
Lanes 0 1 1 0
Configuration LT TR ~
Upstream Signal? No No
Minor Street: Approach Northbound Southbound
Movement 7 8 9 ~ 10 11 12
L T R ~ L T R
Volume 9 7
Peak Hour Factor, PHF 0.57 0.57
Hourly Flow Rate, HFR 15 12
Percent Heavy Vehicles 2 2
Percent Grade (%) 0 0
Flared Approach: Exists?/Storage / No /
Lanes 0 0
Configuration LR
Approach
Movement
Lane Config
Delay, Queue Length, and Level of Service
EB. WB Northbound - Southbound
1 4 I 7 8 9 I 10 11 12
LT ~ ~ LR
v (vph) 17 27
C(m) (vph) 1023 248
v/c 0.02 0.11
95b queue length 0.05 0.36
Control Delay 8.6 21.3
LOS A C
Approach Delay 21.3
Approach LOS ~
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HCS2000: Unsignalized Intersections Release 4.1d
TWO-WAY STOP CONTROL SUMMARY
Analyst:
Agency/Co.: TENW
Date Performed: 3/11/2005
Analysis Time Period: PM Peak
Intersection: Yelm Ave at Mountain View
Jurisdiction: City of Yelm
Units: U. S. Customary
Analysis Year: 2006 Without Project
Project ID: #2442 - Green Village Subdivision
East/West Street: SR 510/Yelm Ave •
North/South Street: Mountain View Road
Intersection Orientation: EW Study period (hrs):
Vehicle Volumes and Adjustments
Major Street: Approach Eastbound Westbound
Movement 1 2 3 ~ 4 5 6
L T R ~ L T R
Volume 9 844 19 61 530 13
Peak-Hour Factor, PHF 0.95 0.95 0.95 0.95 0.95 0.95
Hourly Flow Rate, HFR 9 888 20 64 557 13
Percent Aeavy Vehicles 3 -.- -- 3 -- --
Median Type/Storage TWLTL / 4
RT Channelized? ~
Lanes 1 1 0 1 1 0
Configuration L TR L TR
Upstream Signal? No No
Minor Street: Approach Northbound Southbound
Movement 7 8 9 ~ 10 11 12
L T R ~ L T R
Volume 35 0 106 16 0 6
Peak Hour Factor, PHF 0.95 0.95 0.95 0.95 0.95 0.95
Hourly Flow Rate, HFR 36 0 111 16 0 6
Percent Heavy Vehicles 4 4 4 3 3 3
Percent Grade (%) 0 0
Flared Approach: Exists?/Storage No / No /
Lanes 0 1 0 0 1 0
Configuration LTR LTR
Approach
Movement
Lane Config
v (vph)
C (m) (vph)
v/c
95o queue length
Control Delay
LOS
Approach Delay
Approach LOS
Delay, Queue Length, and Level of Service
EB WB Northbound Southbound
1 4 ~ 7 8 9 I 10 11 12
L L ~ LTR ~' LTR
9 64 147 22
997 746 321 167
0.01 0.09 0.46 0.13 ~
0.03 0.28 2.29 0.44
8.6 10.3 25.3 29.8
A B D D
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1st at Yelm 2006 Baseline
HCM signalized Intersection Capacity ,4nalysis
3: Yelm Ave (sR-510) & lst St sE 3/28/2005
Movement EBL EBT EBR WBL WBT WBR NBL
NBT NBR SBL SBT SBR
~ane configurations 1 1 1 1 1> 0 1
1> 0 1 1> 0
Ideal Flow (vphpl) 1900 1900 1900 1900 1900 1900 1900
1900 1900 1900 1900 1900
Lane Width 12 12 11 12 12 12 12
12 12 11 10 12
Total Lost time (s) 4.0 4.0 4.0 4.0 4.0 4.0
4.0 4..0 4.0
~ane Util. Factor 1.00 1.00 1.00 1.00 1.00 1.00
1.00 1.00 1.00
Frt 1.00 1.00 0.85 1.00 0.99 1.00
0.89 1.00 0.91
Flt Protected 0.95 1.00 1.00 0.95 1.00 0.95
1.00 0.95 1.00
satd. Flow (prot) 1770 1863 1531 1752 1828 1736
1634 1728 1598
Flt Permitted 0.95 1.00 1.00 0.95 1.00 0.95
1.00 0.95 1.00
Satd. Flow (perm) 1770 1863 1531 1752 1828 1736
1634 1728 1598
volume ~vph) 116 566 46 219 532 34 160
107 256 67 77 115
Peak-hour factor, PHF 0.95 0.95 0.95 0.94 0.94 0.94 0.88
0.88 0.88 0.92 0.92 0.92
Adj. Flow (vph) 122 596 48 233 566 36 182
122 291 73 84 125
RTOR.Reduction (vph) ~ 0 0 0 0 0 0 0
0 0 0 0 0
~ane Group Flow (vph) 122 596 48 233 602 0 182
413 0 73 209 0
Heavy vehicles (%) 2% 2% Z% 3% 3% 3% 4%
4% 4% 1% 1% 1%
Turn Type Prot Perm Prot Prot
Prot
Protected Phases 1 6 5 2 7
4 3 8
Permitted Phases 6
,4ctuated Green, G(s) 6.1 29.1 29.1 12.1 35.1 9.1
23.1 3.1 17.1
Effective Green, g(s) 7,1 30.1 30.1 13.1 36.1 10.1
24.1 4.1 18.1 '
Actuated g/C Ratio 0.08 0.34 0.34 0.15 0.41 0.12
0.28 0.05 0.21
Clearance Time (s) 5.0 5.0 S.0 5.0 5.0 5.0
5.0 5.0 5.0
vehicle Extension (s) 3.0 _ 3.0 3.0 3.0 3.0 3.0
3.0 3.0 3.0
~ane Grp Cap (vph) 144 642 527 263 755 201
451 81 331
v/s Ratio Prot 0.07 c0.32 c0.13 0.33
c0.10 c0.25 0.04 0.13
v/s Ratio Perm 0.03
v/c Ratio 0.85 0.93 0.09 0.89 0.80 0.91
0.92 0.90 0.63
uniform Delay, dl -~ 39.6 27.6 19.4 36.4 22.4 38.2
Page 1
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lst at Yelm 2006 Baseline
30.7 41.4 31.6
Progression Factor 1.00 1.00 1.00 1.00 1.00 -, 1.00
1.00 1.00 1.00
Incremental ~elay, d2 34.4 19.7 0.1 27.8 5.9 38.0
23.1 67.6 3.9
Delay (s) 74.0 47.3 19.5 64.3 28.3 76.2
53.7 109.0 35.5
Level of Service E D B E C E
D F D •
,approach ~elay (s) 49.8 38.3
60.6 54.5 -~
Approach LOS D D
E D
Intersection Summary
HCM Average Control Delay 49.1 HCM.Level of Service
D
HCM Volume to Capacity ratio 0.90
actuated Cycle ~ength (s) 87.4 sum of lost time (s)
12.0
zntersection Capacity utilization 80.3% zcu ~evel of
Service D
Analysis Period (min) 15
c Critical Lane Group
Green villa~e Subdivision 3/11/2005 2006 Basel ine PM Peak synchro 6 Report
Transportation Engineering Northwest Page 0
Page 2
~ _pra~~ct
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HCS2000: Unsignalized Intersections Release 4.1d
TWO-WAY STOP CONTROL SUMMARY
Analyst:
Agency/Co.: TENW
Date Performed: 3/11/2005 ~
Analysis Time Period: PM Peak
Intersection: SR 510/Yelm Ave/Burnett Rd
Jurisdiction: City of Yelm
Units: U. S. Customary
Analysis Year: 2006 With Project
Project ID: Burnett Commercial Park
East/West Street: SR 510/Yelm Ave
North/South Street: Burnett Road
Intersection Orientation: EW Study period (hrs): 0.25
Vehicle Volumes and Adjustments
Major Street: Approach Eastbound Westbound
Movement 1 2 3 ~ 4 5 6
L T R ~ L T R
Volume 30 822 478 24
Peak-Hour Factor, PHF 0.95 0.95 0.92 0.92
Hourly Flow Rate, HFR 31 865 519 26
Percent Heavy Vehicles 3 -- -- -- --
Median Type/Storage Undivided /
RT Channelized?
Lanes 0 1 1 0 ~
Configuration LT ' TR
Upstream Signal? No No
Minor Street: Approach Northbound Southbound
Movement 7 8 9 ~ 10 11 12
L T R ~ L T R
Volume
Peak Hour Factor, PHF
Hourly Flow Rate, HFR
Percent Heavy Vehicles
Percent Grade (o) 0
Flared Approach: Exists?/Storage.
Lanes
Configuration
10 15
0.57 0.57
17 26
2 2
0
/ No /
0 0
LR
Delay, Queue Length, and Level of Service
Approach EB WB Northbound. Southbound
Movement 1 4 ~ 7 8 9 I 10 11 12
Lane Config LT ~ ~ LR
v (vph) 31 43
C(m) (vph) 1019 252
v/c 0.03 0.17
95o queue length 0.09 0.60
Control Delay 8.6 22.2
LOS A C
Approach Delay 22.2
Approach LOS C
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HC52000: Unsignalized Intersections Release 4.1d
TWO-WAY STOP CONTROL SUMMARY'
Analyst:
Agency/Co.: TENW
Date Performed: 3/11/2005
Analysis Time Period: PM Peak
Intersection: Yelm Ave at Mountain View
Jurisdiction: City of Yelm
Units: U. S. Customary
Analysis Year: 2006 With Project
Project ID: #2442 - Green Village Subdivision
East/West Street: SR 510/Yelm Ave
North/South Street: Mountain View Road
Intersection Orientation: EW Study period (hrs): 0.25
Vehicle Volumes and Adjustmen'ts
Major Street: Approach Eastbound Westbound
Movement 1 2 3 ~ 4 5 6
~ L T R ~ L T R
Volume 11 845 19 61 532 30
Peak-Hour Factor, PHF 0.95 0.95 0.95 0.95 0.95 0.95
Hourly Flow Rate, HFR 11 889 20 64 560 31
Percent Heavy Vehicles 3 -- -- 3 -- --
Median Type/Storage TWLTL / 4 '
RT Channelized?
Lanes 1 1 0 1 l 0
Configuration L TR L TR
Upstream Signal? No No
Minor Street: Approach Northbound Sou thbound
Movement 7 8 9 ~ 10 11 12
L T R ~ L T R
Volume 35 0 106 26 , 0 7
Peak Hour Factor, PHF 0.95 0.95 0.95 0.95 0.95 0.95
Hourly Flow Rate, HFR 36 0 111 27 0 7
Percent Heavy Vehicles 4 4 4 3 3 3
Percent Grade (%) 0 0
Flared Approach: Exists?/Storage No / No /
Lanes 0 1 0 0 1 0
Configuration LTR LTR
Delay, Queue Length, and Level of Service
Approach EB WB Nprthbound Southbound
Movement 1 4 ( 7 8 9 ~ 10 11 12
Lane Config L L ~ LTR ~ LTR
v(vph) 11 64 147 34
C(m) (vph) 980 745 319 155
v/c 0.01 0.09 0.46 0.22
95o queue length 0.03 0.28 2.31 0.80
Control Delay 8.7 10.3 25.6 34.6
LOS A B . D D
Approach Delay 25.6 34.6
Approach LOS D D
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lst at Yelm 2006 Project
HCM signalized Intersection Capacity Analysis
3: Yelm Ave (SR-510) & lst St SE 3/28/2005
MOVement EBL EBT EBR WBL WBT WBR NBL
NBT NBR SBL SBT SBR
~ane Configurations 1 1 1 1 1> 0 1
l~
zdeal Flow (vphpl) ~900 1900 1900 1900 1900 1900 1900
1900 1900 1900 1900 1900
~ane width 12 12 11 12 12 12 12
12 12 11 10 12
Total ~ost time (s) 4.0 4.0 4.0 4.0 4.0 4.0
4.0 4.0 4.0
Lane Util. Factor 1.00 1.00 1.00 1.00 1.00 1.00
l.oo l.oo i.oo
Frt 1.00 1.00 0.85 1.00 0.99 1.00
0.89 1.00 0.91
Flt Protected 0.95 1.00 1.00 0.95 1.00 0.95
1.00 0.95 1.00 ~
satd. Flow (prot) 1770 1863 1531 1752 1828 1736
1634 1728 1598 ,
Flt Permitted 0.95 1.00 1.00 0.95 1.00 0.95
1.00 0.95 1.00
satd. Flow (perm) 1770 1863 1531 1752 1828 1736
1634 1728 1598
volume (vph) 116 574 48 219 545 34 163
107 256 67 77 115
Peak-hour factor, PHF 0.95 0.95 0.95 0.94 0.94 0.94 0.88
0.88 0.88 0.92 0.92 0.92
Adj. Flow (vph) 122 604 51 233 580 36 185
122 291 73 84 125
RTOR Reduction (vph) 0 0 0 0 0 0 0
0 0 0 0 0
~ane Group Flow (vph) 122 604 51 233 616 0 185
413 0 73 209 0
Heavy Vehicles (%) 2% 2% 2% 3% 3% 3% 4%
4% 4% 1% 1% 1°6
Turn Type Prot Perm Prot Prot
Prot
Protected Phases 1 6 5 2 7
4 3 8
Permitted Phases 6
,actuated Green, G~s) ~ 6.0 29.2 29.2 12.1 35.3 9.1
23.2 ' 3.1 17.2
Effective Green, g(s) 7.0 30.2 30.2 13.1 36.3 10.1
24.2 4.1 18.2
Actuated g/C Ratio 0.08 0.34 0.34 0.15 0.41 0.12
0.28 0.05 0.21
Clearance Time (s) 5.0 5.0 5.0 S.0 5.0 5.0
5.0 5.0 5.0
vehicle Extension (s) 3.0 3.0 3.0 3.0 3.0 3.0
3.0 3.0 3.0
Lane Grp Cap (vph) 141 642 528 262 757 200
451 81 332
v/s rtatio Prot 0.07 c0.32 c0.13 0.34
c0.11 c0.25 0.04 0.13
v/s Ratio Perm 0.03
v/c Ratio 0.87 0.94 0.10 0.89 0.81 0.92
0.92 0.90 0.63
uniform Delay, dl 39.8 27.8 19.5 36.5 22.7 38.4
Page 1
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lst at Yelm 2006 Project
30.7 41.5 31.6
Progression Factor 1.00 1.00. 1.00 1.00 1.00 1.00
1.00 1.00 1.00 .
zncremental ~elay, d2 38.8 22.0 U.l 28.4 6.7 42.7
23.1 67.6 3.7
~elay (s) 78.6 49.9 19.5 64.9 29.4 81.1
53.8 109.1 35.3
~evel of service E D B E c F
D F D
Approach Delay (s) 52.4 ~39.1
62.2 54.4
Approach LOS D D
E D
Intersection Summary
HCM Average ~ontrol Delay 50.5 HCM Level of Service
D
HcM volume to Capacity ratio 0.90
Actuated Cycle Length (s) 87.6 Sum of lost time (s)
12.0
Intersection Capacity Utilizat ion 80.8% ICU Level of
Service D
Analysis Period (min) 15
c Critical Lane Group
Green villa~e Subdivision 3/11/2005 2006 with Project PM Peak Synchro 6 tteport
Transportation Engineering Northwest Page 0
Page 2
Appendix C
r'
Future Traffic Volume Estimates