HomeMy WebLinkAboutT-4214193CHANNELIZATION DEVICE
SPACING feet
MPH
TAPER
TANGENT
50170
40
80
35/45
30
60
25/30
20
40
48" '
ROAD '
WORK '
HEAD '
NE LANE W20-1 �'
ROAD
AHEAD
48X
W20-4 BE
OPREPARED ,
TO STOP
48" 48"" x '
i W20-7B
48" x /
W20-7A ✓�
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - II
I
X X X L L/2 X X
48' 48" 48"
ROAD NN
WNN
ORK I ��
HEAD
48"
48" 48"
W20-1
W4-2(L) W20-7A
48" nnPREPARE
RIGHT LANE OCLOSED
AUCA„
W20-5R W20-7B
FLAGGING STATION
p TEMPORARY SIGN LOCATION
® CHANNELIZING DEVICES
DCD SEQUENTIAL ARROW SIGN
PROTECTIVE VEHICLE - RECOMMENDED
0 TEMPORARY SIGN LOCATION (5' MOUNTING HEIGHT)
60% SUBMITTAL
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
910
600
660
720
-
-
48"
BE
PREPARED O
TO STOP
48" 48"
W20-7B
48"
W20-7A
I
48"
CENTER LANENN
CLOSED
AHEAD
48"
48" 48"
W2 -5C ROAD
WORK
i HEAD
48" 48"
Wd_911 \ W20-1
L I X X
PA
-- - - - - - - - - - - - - - - - —
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
99900 TO 229000 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
INTERSECTION LANE CLOSURE - FIVE LANE ROADWAY
NOT TO SCALE
DESIGNED. W ROVED:
.Jacobs CC. WIA. LCOX
PENG
pt q'WSBa,O DRAWN:
T�
% WILCOO X
4 CHECKED: PRQIECT NO:
Np
*w)
CHECKED N E00588E18
CHECKED: LIXIiFACi NJ'.
no. REVISION BY AFRO DATE
METRO PROJECT ENGINEER CX%%%%%XX
SIGN SPACING = X (1)
RURAL HIGHWAYS 60 / 65 MPH
800'
RURAL ROADS 45 / 55 MPH
500'
RURAL ROADS & URBAN ARTERIALS 35 / 40 MPH
350'
RURAL ROADS & URBAN ARTERIALS 25 / 30 MPH
RESIDENTAL & BUSINESS DISTRICTS
200' (2)
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.
10 OPTIONAL IF 40 MPH OR LESS
NOTES
1. RECOMMEND EXTENDING DEVICE TAPER (L/3) ACROSS SHOULDER.
2. IF A SIGNAL IS PRESENT, IT SHALL BE SET TO "RED FLASH MODE"
OR TURNED OFF DURING FLAGGING OPERATIONS.
3. MAINTAIN A MINIMUM OF ONE ACCESS POINT FOR EACH BUSINESS
WITHIN WORK AREA LIMITS.
4. ALL SIGNS ARE BLACK ON ORANGE.
L9 King County
METRO
METRO TRANSIT CAPITAL DIVISION
RAPIDRIDE I LINE
RENTON SEGMENT
TRAFFIC CONTROL PLAN
NOVEMBER 2021
1 TC 1.07
SHEETNOOF
519 XXXX
T-4214193
R-4214519