TRAFFIC CONTROL PLANSIGN SPACING = X (1)
RURAL ROADS & URBAN ARTERIALS 35 /40 MPH
350'±
RURAL ROADS, URBAN ARTERIALS, 25 / 30 MPH
200'± (2)
RESIDENTIAL & BUSINESS DISTRICTS
URBAN STREETS 25 MPH OR LESS
100'± (2)
(1) ALL SPACING MAY BE ADJUSTED TO ACCOMMODATE
INTERSECTIONS AND DRIVEWAYS.
(2) THIS SPACING MAY BE REDUCED IN URBAN AREAS TO
FIT
ROADWAY CONDITIONS.
K
MINIMUM SHOULDER TAPER LENGTH = L/3 (feet)
SHOULDER Posted Speed (mph)
WIDTH
(feet) 25 30 35 40 45 50 55 60 65 70
8' 40 40 60 90 - - - - - -
10' 40 60 90 90
USE A 3 DEVICES TAPER FOR SHOULDERS LESS THEN 8'
BUFFER 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 HOST VEHICLE WEIGHT
9,900 TO 22,000 lbs. > 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
CHANNELIZATION DEVICE
SPACING (feet)
MPH TAPER I TANGENT
35/40 30 60
25/30 20 40
z
0 0 0 0 0 0 0 0 0
x x L13 B If R j so'
48' 48"
ROAD
WORK SHOULDER
AHEAD WORK
48' 48"
W20-1 W21-5
NOTES
LEGEND
1. DEVICE SPACING FOR THE DOWNSTREAM TAPER SHALL BE 20'(FT).
K
TEMPORARY SIGN LOCATION
SHOULDER CLOSURE -LOW SPEED
2 ALL SIGNS ARE BLACK ON ORANGE
O
CHANNELIZING DEVICES
(40 MPH OR LESS)
PROTECTIVE VEHICLE
NOT TO SCALE
FILE NAME
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AMIL
TIME
DATE
1/2/2018
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PLOTTED BY
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DESIGNED BY
ENTERED BY
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CHECKED BY
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PR J. ENGR.
REGIONAL ADM.
REVISION
DATE BY
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