APPROVED ENG Traffic Control - ENG2020-0160RECEIVED
01 /06/2022
CITY OF EDMONDS
DEVELOPMENT
SERVICES DEPARTMENT
Traffic Control Plan
8920 220th St. SW
Edmonds, WA 98026
BUFFER DATA
LONGITUDINAL BUFFER SPACE = B
SPEED (MPH)
25 1
30
1 35 1
40
1 45
50
55
60
65
70
LENGTH (feet)
155
L200
1 250
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
SIDEWALK CLOSED
AHEAD SIGNAGE
REQUIRED AT
INTERSECTION OF
92ND AVE WAND 220TH
ST SW.
LEGEND
4e4
FLAGGING STATION
q
TEMPORARY SIGN LOCATION
CHANNELIZING DEVICES
�— �'•d
PROTECTIVE VEHICLE
W20-78
W20.7B (OPTIONAL IF
40 MPH OR LESS)
Construction Dates/Time
January 15, 2022 — May 15, 2022
M—F,8amto5pm
SIGN SPACING = X (1)
RURAL HIGHWAYS 60 165 MPH
800't
RURAL ROADS 45 /55 MPH
500't
RURAL ROADS & URBAN ARTERIALS 35140 MPH
359t
RURAL ROADS, URBAN ARTERIALS, 25 130 MPH
RESIDENTIAL & BUSINESS DISTRICTS
200'1 (2)
URBAN STREETS 25 MPH OR LESS
ID0't (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.
SIDEWALK `
CLOSED
O
c
c
4_
I --
I
I x
21 �
I 4
I
yj x
QQ W20-7A
I
II
I x
O ONE LAN
I 4 ROAD
I AHEAD
I x
I
W20.4
IIZ
I I
City of Edmonds ROW Permit #
ENG2020-0160CROW
NSTRUCTION ACTIVITY PER
PLANS APPROVED 11/5/2021
W20-79 (OPTIONAL IF
40 MPH OR LESS)
48' 48'
BE RoaO
PREPARED WORK
TO STOP AHEAD
�. 48" 48• 48'
. W2O.70 ONE ROAD E W20-1
AHEAD
to.48'
W20-7A W204
x x X I_ X
-oo -
v�av o
31aoAll
/`X
PREPARED W20.78 (OPTIONAL IF
40 MPH OR LESS)
TD STOP •
48' IWZD-78
48-
ROAD
WORK
ONE -LANE, TWO-WAY TRAFFIC CONTROL
WITH FLAGGERS
NOT TO SCALE
48'
SIDEWALK CLOSED
AHEAD SIGNAGE
REQUIRED AT
INTERSECTION OF
88TH AVE WAND
220TH ST SW.
SIDEWALK
CLOSED
CHANNELIZATION DEVICE
SPACING(FEEn
MPH
TAPER
TANGENT
50/65
10 TO 20
80
35145
10 TO 20
60
25130
1 10 TO 20
ENGINEERING DIVISION
APPROVED AS NOTED
NOTES 111012022
1. ALL SIGNS ARE BLACK ON ORANGE.
2, EXTENDING THE CHANNELIZING DEVICE 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.