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HomeMy WebLinkAbout02790 - Technical Information Report - Traffic Impact Analysis �
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WINDWOOD DEVELOPMENT
TRAFFIC IMPACT ANALYSIS
Prepared for
Kevin Simmons, P.E.
Centex Homes
2320 130th Ave. N.E. #200
Bellevue, WA 98005
� � � � �
� . • i • ' � •
2101 - 112th Avenue N.E., Suite 110
Bellevue, Washington 98004
(425) 455-5320
2 � ��
WINDWOOD DEVELOPMENT
TRAFFIC IMPACT ANALYSIS
Prepared for
Kevin Simmons, P.E.
, Centex Homes
2320 130th Ave. N.E. #200
Bellevue, WA 98005
Prepared by
TRANSPORTATION PLANNING & ENGINEERING, INC.
2101 - 112th Ave. N.E., Suite 110
Bellevue, Washington 98004
Telephone - (425) 455-5320
FAX - (425} 453-7180
April 29, 1998
TRANSPORTATION PLANNING & ENGINEERING, INC.
2101 - 112t�AVENUE N E . SUITE 110—BELLEVUE.WASHINGTON 98004
TELEPHONE (425)455-5320
VIC10H H BISHOP P E Piesideni
)wv�o M ENGER.PE vics P�es�aem FACSIMILE (425)453-7180
April 28, 1998
Kevin Simmons, P.E. I,
Centex Homes
2320 130th Ave. N.E. #200
Believue, WA 98005 I
Re: Windwood Traffic Impact Analysis I'
Dear Kevin:
We are pleased to present this traffic impact analysis study for the proposed '
Windwood development consisting of 112 single-family units. The project is located on
S.E. 128�' St. in unincorporated King County. This study was prepared to King County ,
Intersection Standards requirements as implemented by ordinance # 11617 which
requires analysis of intersections that carry 30 or more site generated trips and at least
20 percent of the site generated traffic. This project has received a certificate of
concurrency from King County. We have visited the project site and surrounding road
network, and have discussed the scope of this study with Paulette Norman of King
County Traffic Division.
The conclusions and recommendations begin on page 8 of this repo�t.
PROJECT DESCRIPTION
Figure 1 is a vicinity map showing the location of the site and the surrounding
road network.
Figure 2 shows a preliminary site plan. The plan consists of 112 single-family
units with access to S.E. 128'h St. and S.E. 124"' Street.
Full development of the Windwood project is expected to occur by 2000;
therefore 2000 is used as the horizon year for the purposes of this study.
K04222 RPT
� � I
Kevin Simmons, P.E. I
Centex Homes �
April 29, 1998
Page - 2 — I
EXISTING PHYSlCAL CONDITlONS ��
The project site presently is vacant and undeveloped except for one single family
home.
Roadway Facilities '
Figure 3 shows existing traffic control, number of roadway lanes, number of '
approach lanes at intersections, and other pertinent information. The primary roads
within the study area are as follows: 'I
� S.E. 128"' St. Principal Arterial I
144'� Ave. S.E. Minor Arterial
148`h Ave. S.E. Collector Arterial
S.E. 124'" St. Local Access
Transit Facilities '
Metro bus route 111 provides service along S.E. 128'h St. to downtown Seattle.
The closest bus stop is located at the 148`h Ave. S.E./S.E. 128`h St. intersection.
Pedestrian Facilities
Paved shoulders exist on S.E. 128`h St. and 148`h Ave S.E. No sidewalks have
been built in the area.
EXISTING TRAFFIC CONDITIONS
Figure 4 shows existing PM peak hour and average daily traffic volumes at
pertinent intersections affected by site-generated traffic. Traffic count sheets are
included in Appendix A.
Level of Service Analysis
Level of service (LOS) is a qualitative measure describing operational conditions
within a traffic flow, and the perception of these conditions by drivers or passengers.
These conditions include factors such as speed, delay, travel time, freedom to
maneuver, traffic interruptions, comfort, convenience, and safety. Levels of service are
given letter designations, from A to F, with LOS A representing the best operating
K04222 RPT
� �
Kevin Simmons, P.E.
Centex Homes
April 29, 1998
Page - 3 —
conditions (free flow, little delay) and LOS F the worst (congestion, long delays).
Generally, LOS A and B are high, LOS C and D are moderate, and LOS E and F are
low.
Table 1 shows the 2000 LOS to be satisfactory except at 148'h Ave. S.E./S.E.
128"' St. which shows an increased delay for the southbound trafFic to LOS F at 110.2
seconds of average delays.
Table 1 shows calculated levels of service (LOS) for existing conditions at the
pertinent street intersections. LOS calculation sheets are included in Appendix B. The
LOS were calculated using the procedures in the Transportation Research Board
Highway Capacity Manual - Special Report 209 3rd Edition updated 1994. The LOS
shown indicate overall intersection operation. At intersections, LOS is determined by
the calculated average delay per vehicle. The LOS and corresponding average delay in
seconds are as follows:
TYPE OF A B C D E F
INTERSECTION
Signalized <5.0 >5.0 and >15.0 and >25.0 and >40.0 and >60.0
<15.0 <25.0 <40.0 <60.0
Stop Sign Control <5.0 >5 and >10 and >20 and >30 and >45
<10 < 20 < 30 < 45
The intersection LOS is an average for every vehicle entering the intersection.
On occasion specific movements, such as stop sign controlled left turn movements,
experience significantly worse LOS than other movements at the intersection. When
this is the case other factors such as safety can be considered when determining
whether improvements are warranted. This is the case at the 148`h Ave. S.E./S.E. 12g`n
St. intersection where the overall LOS is A and the southbound 148`h Ave. S.E. traffic to
S.E. 128"' St. operates at LOS F with 68 seconds of delay.
Accident History
King County accident rate data does not indicate unusuat accident activity in the
study area.
�;;,.;:.. �<<>!
� �
Kevin Simmons, P.E.
Centex Homes
April 29, 1998
Page - 4 —
FUTURE TRAFFlC CONDITlONS WlTHOUT THE PROJECT
Figure 5 shows projected 2000 PM peak hour and average daily traffic volumes
without the project. These projected volumes were provided by the King County
Transportation Planning Division and are taken from the Traffic Concurrency Model
(TCM). The TCM Approach Volumes are attached as Appendix C. The projected
volumes include existing traffic volume counts plus traffic generated from other
anticipated developments that have been approved or have received certificates of
concurrency from King County.
TRIP GENERATlON AIVD DISTRIBUTION
The 112 single-family units of the Windwood project are expected to generate
the vehicular trips during an average weekday and during the street traffic peak hours
as shown below:
Trip Rate/ Trips Trips �I
Time Period Equation Enfering Exifing Total
Average Weekday 9.57 536 536 1072 '
AM Peak Hour 0.75 21 63 84 �
PM Peak Hour 1.01 72 41 113
The trip generation is calculated using the average trip rates in the Institute of
Transportation Engineers (ITE) Trip Generation, Sixth Edition, 1997 for Single Family
Detached Housing (ITE Land Use Code 210). A vehicle trip is defined as a single or
one direction vehicle movement with either the origin or destination (exiting or entering)
inside the study site. These trip generation values account for all site trips made by all
vehicles for all purposes, including commuter, visitor, recreation, and service and
delivery vehicle trips.
According to the Issaquah School District No. 411 , children who will live in the
project will attend the following schools: Apollo Elementary at 15025 S.E. 117"' St.,
Maywood Middle School at 14490 168'h Ave S.E., and Liberty High School at 16655
S.E. 136'h Street.
xn�rz2?ilf'r
� �
Kevin Simmons, P.E.
Centex Homes
April 29, 1998 II
Page - 5 —
Figure 6 shows the estimated trip distribution and the calculated site-generated II
traffic volumes. The distribution is based on the characteristics of the road network,
existing traffic volume patterns, the location of likely trip origins and destinations
(employment, shopping, social and recreational opportunities), expected travel times,
and previous traffic studies.
Figure 6 shows that all trips to and from the east will use 154`h Ave. S.E. whereas
trips to and from the west on S.E. 128`h St will be divided between 154"' Ave. S.E. and
148"' Ave. S.E. II
FUTURE TRAFFIC CONDlTIONS W/TH PROJECT
Figure 7 shows the projected future PM peak hour and average daily traffic
volumes with the proposed project. The site-generated PM peak hour traffic volumes
shown on Figure 6 were added to the projected background traffic volumes shown on II
Figure 5 to obtain the Figure 7 volumes.
Table 1 shows calculated LOS for 2000 with the project conditions at the I�i
pertinent road intersections. �
SIGHT DISTANCE AT THE SITE ACCESS ROAD
The King County Road Standard requires 750 ft. of entering sight distance (ESD)
and 550 ft. of stopping sight distance (SSD) for a design speed of 55 mph. The posted
speed limit of 45 mph is equivalent to a design speed of 55 mph per King County Traffic
Division. The ESD at the proposed site access road exceeds 1000 ft. and the SSD
exceeds 550 ft. in both the east and west directions along S. E. 128'h Street.
TRAFFIC IMPACT MlTIGATION REQU/REMENTS
King County's Mitigation Payment System (MPS) is utilized to provide funding for
transportation improvements. The County is divided into 457 zones for which a
residential fee has been pre-calculated. This project is located in MPS zone #443
which has a fee of $2,614 per single family unit. The current MPS fee for the 112 single
family units the Windwood development minus the one existing single family home on
the site is estimated to be $290,154.
A two way left turn lane is recommended to be constructed on S.E. 128'" St. at
the site access road. This will allow vehicles to turn left into the site without blocking
eastbound traffic. It also will provide a lane for vehicles turning left out of the site to
merge and accelerate with eastbound traffic. Currently S.E. 128'h St. is four lanes wide
K04222 KI'T
� �
Kevin Simmons, P.E.
Centex Homes
April 29, 1998
Page - 6 —
with no middle turning lane at the site access location. As shown in Table 1, the LOS for
left tums exiting the site would improve from F to B if the proposed two way left turn lane is
constructed.
It is also recommended to widen 148`h Ave. S.E. to provide separate left and right
turn lanes on the southbound approach to the intersection with S.E. 128`h Street. Currently
it is a single lane approach so that left and right turning vehicles are combined in one lane.
By providing separate turning lanes, all of the available gaps in traffic on S.E. 128`h St. can
be utilized by left and right turning vehicles from 148`� Ave. Southeast.
The proposal adds five (5) southbound right turns but no southbound left turns to this
intersection; therefore, the proposed widening of 148`�' Ave. S.E. is appropriate mitigation for
the proposal.
COIVCLUSlONS AND RECOMMENDATlONS
We recommend that the Windwood project be constructed as shown on the site plan
with the following traffic impact mitigation measures:
1 . Provide frontage improvements along S.E. 128�' St. to meet King County
Standards.
2. Construct a two way left turn lane with appropriate tapers on S.E. 128`h St. at
the site access road to facilitate left turns into and out of the site.
3. MPS fee contribution for zone #443.
4. Widen 148�' Ave. S.E. at S.E. 128`h St. to provide separate approach lanes to
S.E. 128`�' St.
No other traffic mitigation should be necessary.
If you have any questions, please call Vince Geglia or me.
Very truly yours,
TRANSPORTATION PLANNING
& ENGINEERING, INC.
U Gs'�1..,✓� -
�
VJG:es Victor H. Bishop, P.E.
President
r
� �
TABLE 1
WINDWOOD TRAFFIC IMPACT ANALYSIS
PM PEAK HOUR LEVEL OF SERVICE SUMMARY
INTERSECTION EXlSTING PROJECTED PROJECTED
1998 2000 W/O 2000 W/
PROJECT PROJECT
Site Access 154�' Ave NA NA A 5.6 A 1.1'
S.E./S.E. 128`� St. F 117.1 �B 9•9��
S.E. 124"' St./ A 0.2 A 0.2 A 0.5
148`h Ave. S.E. (A 3.6) (A 3.6) (A 3.7)
148`� Ave. S.E./ A 3.3 B 5.2 B 6.5 A 4.6
z
S.E. 128'h St. (F 68.0) (F 110.2) F 136.0 �F 195.8}Z
144th Ave. S.E./ B 5.1 C 22.0 C 24.3 '
S.E. 128th St.
O Number shown is the average stopped delay in seconds per vehicle for the
intersection as a whole, which determines the LOS for intersections per the 1985
Highway Capacity Manual, 3rd Edition updated 1994.
(XX) LOS and delay for minor side street approach at an unsignalized intersection.
' LOS and delay with two way left turn lane constructed on S.E. 128`h St. at site
access.
z LOS and delay with separate left and right turn lanes on 148`h Ave. S.E. at S.E.
128`h St. to separate the turning traffic flows. With separate lanes on the
sidestreet, the delay shown is for left turns only and therefore is higher then a
single lane approach where left and right turns are averaged together.
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' ' � �iiJpt� ��t�� 6��� $i� i � �..�.,..o, �� .a,o..,..,, I � <
�.,,.�- I� I � � ��.0_'E�a� �...�a,o.�,.�,�„L——————— I i ".
+marrra i �ra�ura � �rawm I � ��r �—�p —�--------
i cnr n rn I I ral nai a i iaa um a i ^ r� � � I � � ��E I �f� � �i�iaa u"niw.� � � �� I I . —
p1�C I1��' 10YIOY.4 Itl1
� K��':.K�A1d: II �1Y.lLC I �_____
I . � i I I �g�' -„�,r� ,�:,,mA
i
wr
I � a
� E
a' M Windwood Site
I � I L
��
� J
��l l� SCd�e m1 � N
� '�`
� '�� 2�
� �, Private
� - Driveway � S.E. 124th
°�� � st. �
�,
�
� w
�
I � �,
� , Q
��
� � � ��
I � — � s.E.— , 2?t� st.
Private I
�
I �riveway I
i
I � � ' �
I 5 � '28th St. � /� SL s � �— 4L
�5 mph � 45 mph
� � `�r' --
� �
�
I LEGEND
I w 0 Troffic C�ntrol Signal
v> � Stop Sign
IQ N XX mph Posted S�eed Limit
L ---- Approocn Lane & Direc;io^
I � XL Number o` Roadwoy Lanes
EXISTING CONDI i IONS , FIGURL
w�Ncwoo� ' 3
TRAFFIC IMPAC'� ANALYSIS
---
_ , _ _ _ _
� _ _
w
I N
a Windwood Site
I Thursdoy
N 2/12/98 �
5:00-6:00 PM �
no� to scale �
'� N lD�'l t L
�,�� I �, Private � � � r�
� � Drivewo �� � � � s.E. �2atn
� ���, y
� _ 2� o�� st. I I /
a�
� I w
�//
I �
>/
I d/
I I �I
� S.E. 127tn S�.
IPrivate
I �rivewoy
Tnursaoy � Thursdoy
2/t2/98 I 2/�7/98
4;a5-5:45 PN 000 �0 <:30-5:30 PM NM
I i � � ��--600 a� �20
S � '28th St. � �84 •�� --582
I 23,��0 ADT �t09� � � j� t8�350 ADT 53�
� 1108�
�79� �n�-r
rn —
I
I
I w
N
I Q � LEGEND
� � X--► PM Peak Hour Traffic 'voiume & Direction
I � � X ADT 1996 Average Daily Trc`�ic Volumes
1998 PM PEAK HOUR TRA�FIC VOLUMES � FIGUR�
WINDWOOD 4
TRAF�IC IMPACT A�ALYSIS
w
I N
Q Windwood Site
( � �
ro
v
�0`, i0 SCOIe
>. c�n n t.2
c�I �, Private � j � .—�
�, � Driveway - -o� .� f r S.E. 124th
�J st.
� 2-ti loa�n ./
a` °'
2 I w
i N
I
I I ~ �
>
i Q
� 0 r
I I 4 I —I
I � �I —
cD
i �- � S.E. 12ith St.
IPrivOte �
� Driveway �
I
cool �0 ��I
I I � � ��685 I I t21
5.� '.28tn S; � � r96 i �I•-679
I 25.990 ADT t� R 59� 18,5900 ADT
1 i39� I � � 1114�
380� 'n�a
rn �
I �
I
I w
N'
� ,
Q � LEGEND
I � � X-- PM Peok Hour Traffic Volume & Direction
�
I � � X ADT Average Daily Troffic Volumes
FUTURE PM PEAK HOU� TRAFFIC VOLUMES WITHOUT PROJECT FIGU�RE
WINDWOOD J�
TRA�= �' IMPACT ANALYSIS
„_
---
_ _ _
. _
.__. _..___ __ __ � __ --- _ �
_ -- --� - - , � �� � �L ���---,
- -
, � - �- ---' — -
�.;
I �
�
� o
a' N Windwood Site
I � �
�
t�0� t0 SCOIe �
� �
�—8
� �, Privote � ,-5
o � Drivewoy r S.E. 124tn
� I J o St.
C �.i/
( N
y�i
I Q/
�
I �
�
S.E. 12'tr 5t.
IPrivate
I Driveway
I
�
I52% I � �
S� 128tn St. r3� �j% i --1g 25�
I J a� � 10� 3�---'�
30-�- P M
I I ENTER 72
b\ E'X I T 41
I � TOTAL 113
I N
I ; LEGEND
r X-- PM Peak Hour Traffic Volume & Direction
I � XX% Trip Distribution Percentoge
PM PEAK HOUR TRIP GENERATION AND DISTRIBUTION I FIGUR`
i
� WINDWOOD i 6
TRA�r IC IMPACT ANALYSIS
w
I N
Q Windwood Site
I �� �
not to scale �
y c"�� �10
U I �, °rivate � i � �—�
� � Driveway Z—r � S.E. 124th /
o � o--- �i I � st.
_� 2� o�r�
c � �^ /%
N.
I � �Q/
� L
a
I o ,n
� ��
� S.E. 127th St.
IPrivate
I [�rivew0y / I
I
000l �.0 �`� �
I � I � I---705 �� .�.21 ��
5.�. 128th St. i �"gg i �--697 �
� 26,580 AD? �� � 69—'' 30� 18,870 ADT
it78--- � I � 1144�' 1159�
380� ���
I �
I
I N
I Q Q � LEGEND
� � X� PM Peok Hour Traffic Volume & Direction
Ia � X ADT Averoge Daily Traffic Volumes
FUTURE PM PEAK ;��UR TRAFFIC VOLUMES WITH PROJECT FIGURt
WINDWOOD 7
���=-1C IMPACT ANALYSIS
T�2 Traffic Count Consultanfs, IIJC. 13623184th Ave NE,woodinville,WA 98072
Phone: (42�861-8866 FAX:(425)861-8877
� Turning Movement Diagram
. � 2 -
3 . . . , . _
� _
._
v .
u o ,- a
�
�
.�
a
SE 1281h St 0 0 0 SE 128th St
: 0'
795 �:�� �
''' Y�'.'.�..
LLOY . . . . .._ . . . .3` .`� - - ���U
. _ , _;- , . -. ' - .__ . . � - .- _ . - . . � . .
�48.9 ,_i�_:. '��09 _ .T r '_ ��26 . .
-". -_ -.:�> :,___._. .:__ : __..
. ,: 379°` • � - - - - - .
_ ;�95: ..-1 ...17- ,
�, - T
.•.`, `K -.F� � <�• . � _ _ '213 :_- Check , ` -_
-- == � � ,,;- _ . -�=r .;-� - -- �- -:- -- - In -�2385 -- {'' - -
. - � - �676: . Out� 2385.
.... _.
� - ', _ - ,
. : � . . -- . _ . - , .
• . -`.�
- ;: :>
_ _ _ �� - 96HV� PHF _ _j.
_ ,:_�
��Intersection: SE 128th St @ 144th Ave SE . -EB �.0;4� :0.96�� •. �'. _ :> �n _
- .,a .��.=- � ti .� . _. .,,
• � �+' Locat�on::Renton�x� ����-�� �.•�_ s: t _ ;:W6�Q�:Q� �0.9U: - - � :��.;�.:
j Date of Count Thurs 2/12/98` - � � ,.,- �[VB ':0:�°�6:� '�0:8U' }�'
- > 't r,, � r _, � ti - � i u�'�• �:'
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.: .. . . ... _ � _� .. . ...,__..._ .:: . .. xa �_ .....; , �. 4.k,..:._
-. , : Checked.By ms � � s - -� . � ,_.__.._ ..... -�"0:3°� ';0.95 4; � ';�=;
_ ; ':'-fntersect�ort
.y,.,fs.saq�C .. _ �n ��..av
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�
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. . .. . ..r . . . .
T1�2 Traffic Count Cvrrsu�tarrts, Inc. 13623 184ih Ave NE,Woodinville,WA 98072
Phone:(425)861-8866 FAX:(425)861-8877
Vehicle Volume Summary
Intersection: SE 128th St�a 144th Ave SE Date of Count: Thurs 2/12/98
Location: Renton Checked By: ms
Time From North on(SB) From South on(NB) From East on(WB) From West on(EB) Interval
Interval private driveway 144th Ave SE SE 128th St SE 126th St Total
Ending at T L S R T L S R T L S R T L S R
4:15 P 0 0 0 0 0 42 0 9 0 26 170 0 2 0 262 74 583
4:30 P 0 0 0 0 0 40 1 8 0 17 154 0 3 1 241 90 552
4:45 P 0 0 0 0 1 41 0 2 0 20 167 0 6 2 278 69 579
5:00 P 0 0 0 0 0 39 0 6 0 28 147 0 2 0 280 91 591
5:15 P 0 0 0 0 1 57 0 2 0 11 153 0 1 0 279 86 588
5:30 P 0 0 0 0 0 49 0 6 0 15 143 0 3 1 272 91 577
5:45 P 0 0 0 0 1 50 0 3 0 30 157 0 0 0 278 111 629
6:00 P 0 0 0 0 0 42 0 8 0 10 155 0 2 0 269 82 566
6:15P 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
6:30P 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
6:45P 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7:OOP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total
Survey 0 0 0 0 3 360 1 44 0 157 1246 0 19 4 2159 694 4665
4:45 P to 5:45 P Peak Hour S�mmary
Total 0 0 0 0 2 195 0 17 0 84 600 0 6 1 1109 379 2385
Approach 0 212 684 1489 2385
%HV n/a 1% 0% 0% 0%
PHF n/a 0.90 0.91 0.96 0.95
Legend: T=Number of heavy vehicles(greater than 4 wheels)
L=Left-Turn
S=StraigM
R=Right-Turn
HV=Heavy Vehicles
PHF=Peak hour Factor(Peak hour volume/(4'Highest 15 minutes)}
Prepared For: TP&E TM98 73z
��.
.r�:
,.
2
T� Traffr"c Courft Consulfarlts, IIIC. 13623 184th Ave NE,Woodinville,WA 98072
Phone:(42�861-8866 FAX:(42�861-8877
_Turning Movement Diagram
�, �s�
_ �,
. � .
Q
_ - � 73 94
`- °�
.�
--- . _— - , � -
Private Rd - 2 � 3 ' SE 124ffi St
2
: a � o
_ s _ � - . 2 ,� �
_;�,,.: --
- - - 2 _ _ _
� 4 - - =0 �6 " � :
_ �� �. - , - _ W -
. ._' __ 9 _�V " � _ .'I ' _ '. _ . _ . .... . . _ . .. . ..
_ . � � 3 .
W
�
� 72 � Check �
�; .. � _ , , .., In ::174 �':: , :� '-r
. . _ ;� _ � -��- �-_� . _ .- -165 -- - -�Out .�"174 �� -- .:_..
� _ . :� � , � . . ' G'
. , �• �� . - . - '
J _ � - . ' _ . - _ - �. .. . } *�c ... S.. _ _
. . - %HV.: PHF
- Intersechon�,1"48th Ave @ 124th St �� EB .0.0%' 0.33 . - � � � �
� -�.Cocafion ::Rentan - WB �:0.0% �0.50 ; � " .`;
Dat�ofeounf-�;Thurs2l12/98 ' - ;�NB %0.0°h- �0.89 _ r r'' •r X.''':,r.��`-
. _. ,.F `Peak�Penod_� ,' ,,=5:00 P 6:00 P j:SB �0.0%; �0.79 ;�� a.�f v ��;;�� �-��.�- �-�:.,
` w� Checked By �ms - 'r � - .: :Intersection � 0.0°�`� '0:89 �� � ;x w �.,= :��._
_ ,.�.x.. c? ,�, ;:: ' . . , ��- P""'s s' :
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' . q. '�c.�v` � � . :Y� y},:�a.;yr�p�,'`�y.•� " ,
L
. . _ _ _: -. , _ �7?v198-75z -
� � . ' -�'T � t... �s ;i�.t�.�-�e.sw�l i�.. Y-:�����tl-K� "�'"4 }"''�r`���'�
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. .4�.. + ., - . `f,iP�7. .S�{ t -..'4 r .` � �r �K �.-� � . � Y ♦.�.• f G� J3 �s.f,.. �'i-.;7�1��, �,.• -.+Y�S'3.�r�.jY������ni�s717✓ '..,:
� - .LI'� .Jw t�.� ' >>��.�{��y � � .G � �kw..y �4>> ir ��t�y �� +^t � �y ,L':..
� `���v:L' �r f,��'., �� � � �S+.r l: ���� -?f�h�t7r- _-iir7 ..c� :u'�.c�����#1�'?;^'+t��s� -� t:�e �� �T��i����i��f'��•.
' • ��'1` , c+ ,�6'�y � s.'� +1 ;t irg��'E-,�.�+v`r-- . i;�r C'� +�.wr.�r7J�,� �` � J`i��� w : '"F�{�4� �t'��T_ r%-�
. I 1f�11 ..S I'.t_'�A"j Y�;�C l} 1:�� ♦ •�t� r� rR K+ t,� � �YlY .Y�1+ � ...Y �:`f 1!�?� . ��� 4 {�L�. 1j•.
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�. ,(7 .
. .. . � . ., - . . .. .- . , . ... � . . . '� . . . - ���� � -.. .. ' . . � i�r'r:
T1�2 Traffic Couut Covs�/tants Inc. 13623 1841h Avc NE,Woodinville,WA 98072
Plionc:(425)861-8866 FAX:(425)861-8877
Vehicle Volume Summary
Intersection: 148th Ave @ 124th St Date of Count: Thurs 2/12/98
Location: Renton Checked By: ms
Time From North on(SB} From South on(NB) From East on(W8) From West on(EB) Interval
Interval 148th Ave SE 148th Ave SE SE 124th St Private Rd Total
Ending at T L S R T L S R T L S R T L S R
4:15P 0 1 16 1 1 0 14 1 0 0 0 0 0 0 0 0 33
4:30 P 0 2 19 1 1 0 19 0 0 0 0 2 0 1 0 1 45
4:45 P 2 2 21 0 0 0 16 0 0 0 0 0 1 0 0 1 40 ,
5:00 P 0 0 14 0 0 0 13 0 0 0 0 1 0 1 0 0 29 '
5:15 P 0 0 23 0 0 0 16 2 0 1 0 1 0 2 0 1 46 �
5:30 P 0 0 15 1 0 0 24 0 0 1 0 0 0 0 0 0 41
5:45 P 0 2 11 0 0 0 24 1 0 0 0 0 0 0� 0 0 38
6:00 P 0 1 19 1 0 0 26 0 0 0 0 1 0 0 0 1 49
6:15P 0 0 0 0 U 0 0 0 0 0 0 0 0 0 0 0 0
6:30P 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
6:45P 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7:OOP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total
Survey 2 8 138 4 2 0 152 4 0 2 0 5 1 4 0 4 321
5:00 P to 6:00 P Peak Hour Summary
Total 0 3 68 2 0 0 90 3 0 2 0 2 0 2 0 2 174
Approach 73 93 4 4 174
%HV 0% 0% 0% 0% U%
PHF 0.79 0.89 0.50 0.33 0.89
Legend: T=Number of heavy vehicles(greater than 4 wheels)
L=Left-Turn
S=Straight
R=Right-Turn
HV=Heavy Vehfcles
PHF= Peak hour Factor(Peak hour volume/(4'Highest 15 minutes})
Prepared For: TP&E TId98 75z
,
2
T� T�affr"c Count Consultarrts, IIIC. 13623 184th Avenue NE,Woodinville,WA 98072
Phone:(42�861-8866 FAX:(42�861-8877
Turning Movement Diagram
_ w . .
��e
v, . . . _
Q_ �,
_ 85 73
_:$ _ ,
� � ,
SE 128th Ave 42 43 SE 128th Ave
20 '
624 582 602 ,
1785 1753
._-53 = _ _ - . , _ - -- .- - :
, - - . - _ _
1161 '� 1108 . 1151
- - ' , r _,- _ _ . . . - � - - __ '. � .
T.•r -�t
_ . - � . . . . . - .. ._ _ � ' _.. . . . . . . . �.. .. . .. . ,,........ . _.. . . . .-
� V114L1� '� >_, �.. .. .
�. . .. � . . �;. � _� , . _'.
. �. . .. � �t�. y —t�. .f'..
.._ - - . -- -� =In `.1848���„ -�' z�, .v.�.�.
.. - ... . . . ,. . _ . . . , .. ---� -. RY QUl ,�OYO �- r .w_
. . ,- .. _. ' '. _ . -. _
. .. ___ : . , ' ' '�' ...� . ' � .. . . � .. _' "'. '
�: ��x.
� � � . - � ' - ' - ,._ � _ ,n - t,u�:�
. ..< . .. . . - , _ .. .. _
. . . ._ . .„ .. . . ._ .. . . �._. ... _ ..
_ . . . . _ .'. �.. . . . .. .- ' ' �:: i- '
. . . . . . . . . . . . . . . . �i.
, _ .%HV:. PHF �} . - -
intersection: 148th�Ave SE @ SE 128th Ave EB :0:8%` 0.93 � ,�� ,, ���
,. -.� Locabon Renton;>:,,. WB 0:3°�6' Q.93 v �f :-
Date of Count Th 2112/98 � -`:. . � NB �n/a n/a � _ �` ~ �,'-� ` `�+
� � � � � � s�s•.
._. � n,.,.x� 7s.;.IK � . .•�A �S - .. � �' l} >i� i•i.- 1 '� ��`r`a� v�.5�,r,.
Peak �enod�,' � 4 30 P - 5:30 P SB .0.0%a :Ot79 � -� r,7 �,� �.
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2
TC Traffic Co�Qt Colrsu�tarffs, Inc. 13623 184th Avcnuc NI?, W«�inville, WA 98072
Phonc:(425)86l-8866 FAX:(425)86l-8877
Vehicle Volume Summary
Intersection: 148ih Ave SE @ SE 128th Ave Date of Count: Th 2/12/98
Location: -Renton Checked By: Kg
Time From North on(SB) From South on(NB} From East on (WB) From West on(EB) Interval
Inte►val 148th Ave SE n/a SE 128th Ave SE 128th Ave Total
Ending at S T L S S
0 0 2 0 3
0 9 0 10 0 0 0 0 139 6 2 9 244 0 41
4:45 P 0 14 0 13 0 0 0 0 1 0 154 8 4 10 275 0 474
5:00 P 0 5 0 6 0 0 0 0 0 0 141 3 2 8 295 0 458
5:15 P 0 13 0 12 0 0 0 0 1 0 155 3 1 16 245 0 444
5:30 P 0 11 0 11 0 0 0 0 0 0 132 6 2 19 293 0 472
5:45 P 0 2 0 8 0 0 0 0 0 0 149 4 0 16 259 0 438
6:00 P 0 11 0 10 0 0 0 0 0 0 145 7 0 22 265 0 460
6:15P 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
6:30P 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
6:45P 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7:OOP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total
Survey 0 69 0 84 0 0 0 0 2 0 1176 39 13 117 2115 0 3600 '
4:30 P to 5:30 P Peak Hour Summary
ota 0 2 0 9 3 1 08 48
pproa 85 0 602 1161 848
/o % n/a 0% 1% 1%
F 0. 9 n/a 0.93 0.93 0.97
Legend: T=Number of heavy vehicles(greater than 4 wheels)
L=Left-Turn
S=Straight
R=Right-Turn
HV=Heavy Vehicles
PHF=Peak hour Factor(Peak hour volume/(4'Highest 15 minutes))
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: Approxch 'G:i . `l (;
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t;PntPr h'�r Micrc�nc�mp>>t.Prs in 'I'ran:;p�rt.at.i�n I
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1Jc�rkGhPPt. fnr 'I'IV;(: I ni.PrGc�c:f.i�1
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titPp 1 : Fi'I' from Minor �trPPt ��Fi :
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f ntPrsPcl�.i on I'Prform�ncP `�ummary
lav� '.�.�i�
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