Trafic control planBUFFER DATA
LONGITUDINAL BUFFER SPACE = B
SPEED (MPH)
25
30
35
40
45
50
55
60
65
70
LENGTH (feet)
155
200
250
305
360
425
495
570
645
730
TRANSPORTABLE ATTENUATOR ROLL AHEAD DISTANCE = R
HOST VEHICLE WEIGHT
9,900 TO 22,000 lbs.
HOST VEHICLE WEIGHT
> 22,000 lbs.
< 45 MPH
45-55 MPH
> 55 MPH
< 45 MPH
45-55 MPH
> 55 MPH
100,
123'
172'
74'
100,
150'
PROTECTIVE VEHICLE (WORK VEHICLE) = R
NO SPECIFIED DISTANCE REQUIRED
LEGEND
K TEMPORARY SIGN LOCATION AHEAD
13 CHANNELIZING DEVICES
t>>D SEQUENTIAL ARROW SIGN W20-5L
TRANSPORTABLE ATTENUATOR
PCMS PORTABLE CHANGEABLE MESSAGE SIGN
E TEMPORARY SIGN LOCATION (5'MOUNTING HEIGHT)
ROADWAY CONDITIONS
MINIMUM TAPER LENGTH = L (feet)
LANE
Posted Speed (mph)
WIDTH
(feet)
25
30
35
40
45
50
55
60
65
70
10
105
150
205
270
450
500
550
11
115
165
225
295
495
550
605
660
-
-
12
125
180
245
320
540
600
660
720
780
-
48'
ROAD
WORK
AHEAD
4e
W20-1
024" 48'
KEEP
30"
RIGHT
R4-7B 46'
BIW
W1.4(L)
LANE SHIFT -THREE LANE ROADWAY
NOT TO SCALE
CHANNELIZATION DEVICE
SPACING feet
MPH
TAPER
TANGENT
50160
40
i 80
35145
30
60
25130
20
40
PCMS #1
1 2
LEFT 1 MILE
LANE AHEAD
CLOSURE
2.0 SEC 2.0 SEC
FIELD LOCATE IN ADVANCE
OF TEMPORARY SIGNS.
PCMS #2
1 2
LANE 1 MILE
SHIFTS AHEAD
LEFT
2.0 SEC 2.0 SEC
FIELD LOCATE IN ADVANCE
OF TEMPORARY SIGNS.
)R WORK HOUR RESTRICTIONS.
2. FOR SPEED LIMIT OF 30 MPH OR LESS, USE SIGN W1-3 IN LIEU OF SIGN W1-4.
3. RECOMMENDED EXTENDING DEVICE TAPER (L/3) ACROSS SHOULDER.
4. ALL SIGNS ARE BLACK ON ORANGE UNLESS OTHERWISE DESIGNATED.
TIME 2:34:58 PM s lE FED.AID PROJ.NO. xnx xv xo
DATE 1/212018 �
PLOTTED BY IlddeM x WAS �I/ TC12
DESIGNED BY +oe NUM..
ENTERED BY Washington State ..EET
CHECKED BY cox.xnm x Eounox xo. Department of Transportation of
PROJ. ENGR. rz DATE TRAFFIC CONTROL PLAN xx
REGIONAL ADM. REVISION DATE BY