HomeMy WebLinkAboutR-4214517BUFFER 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
93900 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
KIII&IN
LEGEND
q
TEMPORARY SIGN LOCATION
®
CHANNELIZING DEVICES
SEQUENTIAL ARROW SIGN
®
PROTECTIVE VEHICLE
PCMS
PORTABLE CHANGEABLE MESSAGE SIGN
N
TEMPORARY SIGN LOCATION (5' MOUNTING HEIGHT)
No
60% SUBMITTAL
REVISION
BY I AFRO I DATE
SIGN SPACING = X (1)
RURAL ROADS 45 / 55 MPH
500'
RURAL ROADS & URBAN ARTERIALS 35 / 40 MPH
350'
RURAL ROADS & URBAN ARTERIALS 25 / 30 MPH
200, (2)
RESIDENTAL & BUSINESS DISTRICTS
URBAN STREETS 25 MPH OR LESS
100' (2)
(1) ALL SPACING MAY BE ADJUSTED TO ACCOMMODATE INTERCHANGE
RAMPS, AT -GRADE INTERSECTIONS AND DRIVEWAYS.
(2) THIS SPACING MAY BE REDUCED IN URBAN AREAS TO FIT
ROADWAY CONDITIONS.
WORK
E"
Elyllil
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
-
-
-
-
11
115
165
225
295
495
550
-
-
-
-
12
125
180
245
320
540
600
-
-
-
-
PCMS #1
1
2
RIGHT
1 MILE
LANE
AHEAD
CLOSURE
2.0 SEC
2.0 SEC
FIELD LOCATE IN ADVANCE
OF TEMPORARY SIGNS.
NOTES
CHANNELIZATION DEVICE
SPACING feet
MPH
TAPER
TANGENT
50
40
80
35/45
1 30
60
25/30
1 20
40
PCMS #2
1
2
CENTER
LANE
CLOSED
NO
LEFT
TURNING
2.0 SEC
2.0 SEC
FIELD LOCATE IN ADVANCE
OF TEMPORARY SIGNS.
1. SEE SPECIAL PROVISIONS FOR WORK HOUR RESTRICTIONS.
2. RECOMMEND EXTENDING DEVICE TAPER (L/3) ACROSS SHOULDER.
3. FOR POSTED SPEED LIMITS OF 30 MPH OR LESS, USE SIGN W1-3
IN LIEU OF SIGN W1-4.
4. ALL SIGNS ARE BLACK ON ORANGE UNLESS OTHERWISE
DESIGNATED.
RIGHT LANE CLOSURE WITH SHIFT - 5 LANE ROADWAY
NOT TO SCALE
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METRO TRANSIT CAPITAL DIVISION
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RENTON SEGMENT
TRAFFIC CONTROL PLAN
NOVEMBER 2021
1 TC 1.05
1 517 X We
T-4214191
R-4214517