HomeMy WebLinkAboutR-4214513BUFFER 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
FLAGGING STATION
s
=
p
TEMPORARY SIGN LOCATION
®
CHANNELIZING DEVICES
w
PROTECTIVE VEHICLE
�r
60% SUBMITTAL
P
W�
REVISION
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
RESIDENTIAL & BUSINESS DISTRICTS
200' (2)
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
ONE -LANE, TWO-WAY TRAFFIC CONTROL
WITH FLAGGERS
NOT TO SCALE
DESIGNED. WIPROVED:
Jacobs AWILO PENG
e
DRAWN
C. WILCOX
CHECKED: PRQIECTNO:
CHECKED N E00588E18
CHECKED: LIXIiFACi NJ'.
BY APPD DATE
METRO PROJECT ENGINEER CXXXXXXXX
W20-713 (OPTIONAL IF
40 MPH OR LESS)
BE
PREPARED
T(1 CT0P .
WORK
rn
48"
JELIZATION DEVICE
RACING (FEET)
TAPER
TANGENT
10 TO 20
80
10 TO 20
60
10 TO 20
40
E.
_. _... _.. ... ..._ ........__.—... EVICE TAPER ACROSS
SHOULDER IS RECOMMENDED.
3. NIGHT WORK REQUIRES ADDITIONAL ROADWAY LIGHTING AT
FLAGGING STATIONS. SEE THE STANDARD SPECIFICATIONS
FOR ADDITIONAL DETAILS.
4. SEE SPECIAL PROVISIONS FOR WORK HOUR RESTRICTIONS.
L9 King County
METRO
METRO TRANSIT CAPITAL DIVISION
RAPIDRIDE I LINE
RENTON SEGMENT
TRAFFIC CONTROL PLAN
NOVEMBER 2021
1 TC 1.01
SHEETNOOF
513 XXXX
T-4214187
R-4214513