Traffic_Control_PlanFILE NAME
TIME
DATE
DESIGNED BY
ENTERED BY
CHECKED BY
PROJ. ENGR.
REGIONAL ADM.REVISION DATE BY
SHEET
OF
SHEETS
Washington State
Department of Transportation
P.E. STAMP BOX P.E. STAMP BOX
DATE DATE
LOCATION NO.CONTRACT NO.
JOB NUMBER
REGION
NO.
STATE FED.AID PROJ.NO.
WASH
PLOTTED BY
PLAN REF NO
FletcCo
9/18/2014
1:20:14 PM
S:\Design R P& S\4-Standards\2-Plan Sheet Library\01-Published PSL\(TC) Work Zone Traffic Control\W(TC-5) Shoulder Closure - Low Speed (40 MPH or Less)\TC-5.dgn Plot 1
TC5
TRAFFIC CONTROL PLAN
WORK AREA
W20-1
48"
48"
AHEAD
WORK
ROAD
W21-5
48"
48"
WORK
SHOULDER
RURAL ROADS & URBAN ARTERIALS
URBAN STREETS 25 MPH OR LESS »¿100’
»¿200’
35 / 40 MPH
25 / 30 MPH
»¿350’
25 30 35 40 45 50 55 60 65 70(feet)
WIDTH
SHOULDER Posted Speed (mph)LONGITUDINAL BUFFER SPACE = B
TRANSPORTABLE ATTENUATOR
SPEED (MPH)25 30 35 40 45 50 55 60 65 70
LENGTH (feet)250 305
BUFFER DATA
155 200
BUFFER VEHICLE ROLL AHEAD DISTANCE = R
(40 MPH OR LESS)
MINIMUM SHOULDER TAPER LENGTH = L/3 (feet)
MPH
35/40
25/30
TAPER TANGENT
30
20
60
40
10’
8’40 -
--
--
-
-
-
-
-
-
-40
40
60
60
90
90
90
USE A 3 DEVICES TAPER FOR SHOULDERS LESS THEN 8’
PROTECTIVE VEHICLE
100 FEET MAX.
TO
30 FEET MIN.
ROADWAY CONDITIONS.
(2) THIS SPACING MAY BE REDUCED IN URBAN AREAS TO FIT
INTERSECTIONS AND DRIVEWAYS.
(1) ALL SPACING MAY BE ADJUSTED TO ACCOMMODATE
SIGN SPACING = X (1)
RESIDENTIAL & BUSINESS DISTRICTS
RURAL ROADS, URBAN ARTERIALS,
RECOMMENDATION.
WEIGHT SHALL BE IN ACCORDANCE WITH THE MANUFACTURERS
MINIMUM HOST VEHICLE WEIGHT 15,000 LBS. THE MAXIMUM
THE WORK AREA.
MAY BE A WORK VEHICLE STRATEGICALLY LOCATED TO SHIELD
REQUIRED
DISTANCE
NO SPECIFIED
SPACING (feet)
CHANNELIZATION DEVICE
SHOULDER CLOSURE - LOW SPEED
NOT TO SCALE
NOTES:
1.
2.
PROTECTIVE VEHICLE
CHANNELIZING DEVICES
TEMPORARY SIGN LOCATION
LEGEND
X X L/3 B R 50’2’ MIN.10’ MIN.ALL SIGNS ARE BLACK ON ORANGE.
DEVICE SPACING FOR THE DOWNSTREAM TAPER SHALL BE 20’ (FT).