2021.0377.ST0045 TCPAPPROVED FOR PUBLICATION
DATESTATE DESIGN ENGINEER
Washington State Department of Transportation
SHEET 1 OF 1 SHEETSHEET 1 OF 1 SHEET
RURAL ROADS & URBAN ARTERIALS
URBAN STREETS
RURAL ROADS, URBAN ARTERIALS,
RESIDENTIAL & BUSINESS DISTRICTS
25 MPH OR LESS
35 / 40 MPH
25 / 30 MPH
45 / 55 MPHRURAL ROADS
350’ 35/64
500’ 35/64 DRAWN BY: ELENA BRUNSTEIN1.
2.
3.
4.
NOTES
ALL SIGNS ARE BLACK ON ORANGE UNLESS DESIGNATED OTHERWISE
8040
POSTED SPEED
(MPH)
50 / 70
IN TANGENT
(FEET)
IN TAPER
(FEET)
CHANNELIZING DEVICE SPACING
35 / 45 30 60
8040
POSTED SPEED
(MPH)
50 / 70
IN TANGENT
(FEET)
IN TAPER
(FEET)
CHANNELIZING DEVICE SPACING
25 / 30 20 40
END
ROAD WORK
G20-2A
WORK
AREA
ROAD
WORK
AHEAD
W20-1
X100’ROAD
WORK
AHEAD
W20-1
X
END
ROAD WORK
G20-2A
END
ROAD WORK
G20-2A
W20-1
ROAD
WORK
AHEAD
W4-7
THRU
TRAFFIC
MERGE
LEFT
RIGHT LANE
TURN RIGHT
MUST
R3-7R
B/W
ROAD
WORK
AHEAD
W20-1
X
END
ROAD WORK
G20-2A
SIGN LOCATION
CHANNELIZING DEVICES
LEGEND
100’ 35/64
200’ 35/64 X25 30 35 40 45 50
540
550
600
POSTED SPEED (MPH)
10
11
12
450
495
500
LANE WIDTH
(FEET)
270
294
320125
165
180
205
225
245
105
115
150
MINIMUM TAPER LENGTH = L (FEET)
55
550
605
660
ARROW PANEL XINTERSECTION
~ RIGHT LANE CLOSURE
FAR SIDE
STANDARD PLAN K-32.20-00
SHEET 1 OF 1 SHEET
FOR LOCAL AGENCY USE ONLY
NOT FOR USE ON STATE ROUTES
5.
6.
BARRICADE ~ TYPE 3 L
SIGN SPACING = X
ALL SIGN SPACING MAY BE ADJUSTED TO ACCOMMODATE
AT-GRADE INTERSECTIONS AND DRIVEWAYS.
7.
If the work space extends across a crosswalk, the crosswalk
should be closed (see Standard Plan K-34.20).
The normal procedure is to close on the near side of the inter-
section any lane that is not carried through the intersection.
However, when this results in the closure of a right lane having
significant right turning movements, then the right lane may be
restricted to right turn only, as shown. This procedure
increases the through capacity by eliminating right turns from
the open through lane.
Prohibit turns as necessary for traffic conditions.
Flashing Warning Lights (Type A per MUTCD) should be used,
as needed, to mark barricades at night.
Steady Burning Warning Lights (Type C per MUTCD) shall be
used to mark channelizing devices at night.
For long term projects, conflicting pavement markings that are no
longer applicable shall be removed or obliterated. Temporary
markings shall be used as necessary.
For signs size refer to Manual on Uniform Traffic Control Devices
(MUTCD) and WSDOT Sign Fabrication Manual M55-05.STA TEOFWASHINGT
O
NR
EGISTEREDPROFE
S
SIONAL ENGINEER25335THEODORE J. TR
EPA
NI
EREXPIRES AUGUST 9, 2007
Ken L. Smith 02-15-07NOTE: THIS PLAN IS NOT A LEGAL ENGINEERING DOCUMENT BUT AN ELECTRONIC DUPLICATE. THE ORIGINAL, SIGNED BY THE ENGINEER AND APPROVED FOR PUBLICATION, IS KEPT ON FILE AT THE WASHINGTON STATE DEPARTMENT OF TRANS-PORTATION. A COPY MAY BE OBTAINED UPON REQUEST.
LANE
CLOSED
1
1.5 SEC
2
1.5 SEC
SIGN LOCATION
CHANNELIZING DEVICES
PROTECTIVE VEHICLE ~ RECOMMENDED
LEGEND
PCMS PORTABLE CHANGEABLE MESSAGE SIGN
ARROW PANEL
FIELD LOCATE 1 MILE 35/64 , IN
ADVANCE OF LANE CLOSURE
PCMS
SAMPLE MESSAGE
ONE
MILE
AHEAD STA TEOFWASHINGT
O
NR
EGISTEREDPROFE
S
SIONAL ENGINEER25335THEODORE J. TR
EPA
NI
EREXPIRES AUGUST 9, 2007
STANDARD PLAN K-24.60-00
SINGLE LANE CLOSURE
ON MULTILANE ROADWAY
SHEET 1 OF 1 SHEET
APPROVED FOR PUBLICATION
DATESTATE DESIGN ENGINEER
Washington State Department of TransportationDRAWN BY: ELENA BRUNSTEIN1.
2.
3.
4.
5.
6.
7.
NOTES
8.
A Protective Vehicle is recommended regardless if a Truck
Mounted Attenuator (TMA) is available; a work vehicle may
be used. When no TMA is used, the Protective Vehicle
shall be strategically located to shield workers, with no
specific Roll-Ahead distance.
Devices shall not encroach into adjacent lanes.
Extend device taper (L/3) across shoulder ~ recommended.
Portable Changeable Message Sign (PCMS)
~ recommended.
Use Transverse Devices in closed lane every 1000’ 35/64
~ recommended.
Traffic Safety Drums for all tapers on high speed roadway
~ recommended.
Channelizing Device spacing for the downstream taper
option shall be 20’ O.C.
For signs size refer to Manual on Uniform Traffic Control
Devices (MUTCD) and WSDOT Sign Fabrication Manual
M55-05.
FOR LOCAL AGENCY USE ONLY
NOT FOR USE ON STATE ROUTES
45 50 55 60
360 425 495 570
POSTED SPEED (MPH)
LONGITUDINAL BUFFER SPACE = B
LENGTH B (FEET)
25 30 35
155 200 250
40
305
MINIMUM WEIGHT 15,000 LBS.
(MAXIMUM WEIGHT SHALL BE
IN ACCORDANCE WITH MANU-
FACTURER RECOMMENDATION)
TYPICAL PROTECTIVE VEHICLE WITH TMA (SEE NOTE 1)
LOADED WEIGHT
ROLL AHEAD STOPPING DISTANCE = 30 FEET MIN.
(DRY PAVEMENT ASSUMED)
1
4 YARD DUMP TRUCK,
SERVICE TRUCK,
FLAT BED, ETC.
BUFFER DATA
VEHICLE TYPE
25 30 35 40 45 50 55
540
550
600
550
605
660
660
720
POSTED SPEED (MPH)
10
11
12
60
450
495
500
LANE WIDTH
(FEET)
125
165
180
205
225
245
270
294
320
105
115
150 -
8040
POSTED SPEED
(MPH)
50 / 70
IN TANGENT
(FEET)
IN TAPER
(FEET)
CHANNELIZING DEVICE SPACING
35 / 45 30 60
8040
POSTED SPEED
(MPH)
50 / 70
IN TANGENT
(FEET)
IN TAPER
(FEET)
CHANNELIZING DEVICE SPACING
25 / 30 20 40
MINIMUM TAPER LENGTH = L (FEET)
RURAL ROADS & URBAN ARTERIALS
URBAN STREETS
RURAL ROADS, URBAN ARTERIALS,
RESIDENTIAL & BUSINESS DISTRICTS
25 MPH OR LESS 100’ 35/64 (2)
200’ 35/64 (2)
35 / 40 MPH
25 / 30 MPH
350’ 35/64
45 / 55 MPHRURAL ROADS 500’ 35/64
60 / 65 MPH 800’ 35/64 RURAL HIGHWAYS
(1) ALL SIGN SPACING MAY BE ADJUSTED TO ACCOMMODATE INTERCHANGE
RAMPS, AT-GRADE INTERSECTIONS, AND DRIVEWAYS.
(2) THIS SIGN SPACING MAY BE REDUCED IN URBAN AREAS TO FIT
ROADWAY CONDITIONS.
ALL SIGNS ARE BLACK ON ORANGE UNLESS DESIGNATED OTHERWISE
SIGN SPACING = X (1)
END
ROAD WORK
100’
WORK AREA
B L X X
W20-1
PCMS2’ MIN.SEE NOTE 5
RIGHT LANE
CLOSED
AHEAD
W20-5R
OR
X1
G20-2A
DOWNSTREAM TAPER TO
SHOW END OF WORK AREA ~ SEE NOTE 7
ROAD
WORK
AHEAD
W4-2L
~ COMPLIANCE DATE 12/23/13
SEE STANDARD PLAN K-24.20 FOR
ALTERNATE ENCROACHMENT
Ken L. Smith 02-15-07NOTE: THIS PLAN IS NOT A LEGAL ENGINEERING DOCUMENT BUT AN ELECTRONIC DUPLICATE. THE ORIGINAL, SIGNED BY THE ENGINEER AND APPROVED FOR PUBLICATION, IS KEPT ON FILE AT THE WASHINGTON STATE DEPARTMENT OF TRANS-PORTATION. A COPY MAY BE OBTAINED UPON REQUEST.
SHEET 1 OF 1 SHEETSIGN LOCATION
CHANNELIZING DEVICES
PROTECTIVE VEHICLE ~ RECOMMENDED
LEGEND
8040
POSTED SPEED
(MPH)
50 / 70
IN TANGENT
(FEET)
IN TAPER
(FEET)
CHANNELIZING DEVICE SPACING
60 / 65 MPH
45 / 50 30 60
1
4 YARD DUMP TRUCK,
SERVICE TRUCK,
FLAT BED, ETC.
MINIMUM WEIGHT 15,000 LBS.
(MAXIMUM WEIGHT SHALL BE
IN ACCORDANCE WITH MANU-
FACTURER RECOMMENDATION)
TYPICAL PROTECTIVE VEHICLE WITH TMA (SEE NOTE 1)
BUFFER DATA
VEHICLE TYPE LOADED WEIGHT
1.
2.
ROLL AHEAD STOPPING DISTANCE = 30 FEET MIN.
(DRY PAVEMENT ASSUMED)
WORK AREA
END
ROAD WORK2’ MIN.100’
OR
360 425 495 570
POSTED SPEED (MPH)
LONGITUDINAL BUFFER SPACE = B
LENGTH B (FEET)645 730 25 30 35 40 45 50 55
450
400
500
330
440
550
360
480
600
POSTED SPEED (MPH)SHOULDER WIDTH
(FEET)
6
8
10
LESS THAN 6 3 DEVICES MINIMUM, SPACED 10’ O.C.
60 65 70
270
360
300 390
520
650
420
560
700
SHOULDER
WORK
W21-5
SHOULDER
CLOSED
X
ROAD
WORK
AHEAD
W20-1 W2O-301
RURAL HIGHWAYS
RURAL ROADS 45 / 55 MPH
800’ 35/64
500’ 35/64
3.
1XXL/3 B
SIGN SPACING = XDRAWN BY: ELENA BRUNSTEING20-2A
ALL SIGNS ARE BLACK ON ORANGE UNLESS DESIGNATED OTHERWISE
MINIMUM TAPER LENGTH = L (FEET)
DOWNSTREAM TAPER TO SHOW
END OF WORK AREA ~ SEE NOTE 2
NOTES
25 30 35 40 45 50 55 60 65 70
STANDARD PLAN K-40.20-00
SHOULDER CLOSURE
~ HIGH SPEED ROADWAY
(45 MPH OR HIGHER)
SHEET 1 OF 1 SHEET
4.
5.
ALL SIGN SPACING MAY BE ADJUSTED TO ACCOMMODATE INTERCHANGE
RAMPS, AT-GRADE INTERSECTIONS, AND DRIVEWAYS.
FOR LOCAL AGENCY USE ONLY
NOT FOR USE ON STATE ROUTES
STA TEOFWASHINGT
O
NR
EGISTEREDPROFE
S
SIONAL ENGINEER25335THEODORE J. TR
EPA
NI
EREXPIRES AUGUST 9, 2007
A Protective Vehicle is recommended regardless if a TMA is available; a work
vehicle may be used. When no TMA is used, the Protective Vehicle shall be
strategically located to shield workers, with no specific Roll-Ahead distance.
Channelizing Device spacing for the downstream taper option shall be 20’ O.C.
No Encroachment on the traveled lane is permitted. If Encroachment is
necessary, the lane shall be closed (see Standard Plan K-24.20).
Signs to be post mounted for long term projects.
For signs size refer to Manual on Uniform Traffic Control Devices (MUTCD)
and WSDOT Sign Fabrication Manual M55-05.
SEE STD. PLAN
K-40.40
SEE STD. PLAN K-40.40
APPROVED FOR PUBLICATION
DATESTATE DESIGN ENGINEER
Washington State Department of TransportationNOTE: THIS PLAN IS NOT A LEGAL ENGINEERING DOCUMENT BUT AN ELECTRONIC DUPLICATE. THE ORIGINAL, SIGNED BY THE ENGINEER AND APPROVED FOR PUBLICATION, IS KEPT ON FILE AT THE WASHINGTON STATE DEPARTMENT OF TRANS-PORTATION. A COPY MAY BE OBTAINED UPON REQUEST.02-15-07Ken L. Smith
APPROVED FOR PUBLICATION
DATESTATE DESIGN ENGINEER
Washington State Department of Transportation
SHEET 1 OF 1 SHEET
WORKAREA
END
ROAD WORK
NOTES
1.
2.
3.
4.
5.
SHEET 1 OF 1 SHEET
B
X
X
X
X
W20-7A
BE
PREPARED
TO STOP
W20-4
ONE LANE
ROAD
AHEAD
W20-1
ROAD
WORK
AHEAD14 YARD DUMP TRUCK,
SERVICE TRUCK,
FLAT BED, ETC.
MINIMUM WEIGHT 15,000 LBS.
(MAXIMUM WEIGHT SHALL BE
IN ACCORDANCE WITH MANU-
FACTURER RECOMMENDATION)
TYPICAL PROTECTIVE VEHICLE WITH TMA (SEE NOTE 1)
BUFFER DATA
VEHICLE TYPE LOADED WEIGHT
ROLL AHEAD STOPPING DISTANCE = 30 FEET MIN.
(DRY PAVEMENT ASSUMED)
25 30 35 40
155 200 250 305
POSTED SPEED (MPH)
LONGITUDINAL BUFFER SPACE = B
LENGTH B (FEET)
RURAL ROADS & URBAN ARTERIALS
URBAN STREETS
RURAL ROADS, URBAN ARTERIALS,
RESIDENTIAL & BUSINESS DISTRICTS
25 MPH OR LESS 100’ 35/64 (2)
200’ 35/64 (2)
35 / 40 MPH
25 / 30 MPH
350’ 35/64
45 50 55 60
360 425 495 570
65
645
45 / 55 MPHRURAL ROADS 500’ 35/64
60 / 65 MPH 800’ 35/64 RURAL HIGHWAYS
SIGN LOCATION
CHANNELIZING DEVICES
PROTECTIVE VEHICLE ~ RECOMMENDED
LEGEND
FLAGGING STATION
BE
PREPARED
TO STOP
ONE LANE
ROAD
AHEAD
ROAD
WORK
AHEAD
W20-4
W20-1
W20-7A
W20-7B ~ OPTIONAL IF POSTED
SPEED 40 MPH OR LESS
W20-7B ~ OPTIONAL IF POSTED
SPEED 40 MPH OR LESS
OR
END
ROAD WORK
6
D
E
V
I
C
E
S
M
I
N
.X1
50
’
M
I
N
.
10
0
’
M
A
X
.XXX50
’
M
I
N
.
30
0
’
M
A
X
.DRAWN BY: ELENA BRUNSTEING20-2A
G20-2A
ALL SIGNS ARE BLACK ON ORANGE UNLESS DESIGNATED OTHERWISE
10
0
’
10
0
’
STANDARD PLAN K-20.40-00
SHEET 1 OF 1 SHEET
SIGN SPACING = X (1)
LANE CLOSURE
WITH FLAGGER CONTROL
FOR LOCAL AGENCY USE ONLY
NOT FOR USE ON STATE ROUTES
(1) ALL SIGN SPACING MAY BE ADJUSTED TO ACCOMMODATE INTERCHANGE
RAMPS, AT-GRADE INTERSECTIONS, AND DRIVEWAYS.
(2) THIS SIGN SPACING MAY BE REDUCED IN URBAN AREAS TO FIT
ROADWAY CONDITIONS.
6.STA TEOFWASHINGT
O
NR
EGISTEREDPROFE
S
SIONAL ENGINEER25335THEODORE J. TR
EPA
NI
EREXPIRES AUGUST 9, 2007
A Protective Vehicle is recommended regardless if a Truck Mounted Attenuator
(TMA) is available; a work vehicle may be used. When no TMA is used, the
Protective Vehicle shall be strategically located to shield workers, with no
specific Roll-Ahead distance.
Night work requires additional roadway lighting at flagging stations. See
WSDOT Standard Specifications for additional details.
Extend Channelizing Device taper across shoulder ~ recommended.
Sign sequence is the same for both directions of travel on the roadway.
Channelizing Device spacing for the downstream taper option shall be 20’ O.C.
For signs size refer to Manual on Uniform Traffic Control Devices (MUTCD)
and WSDOT Sign Fabrication Manual M55-05.
DOWNSTREAM TAPER
TO SHOW END OF WORK
AREA ~ SEE NOTE 5
Ken L. Smith 02-15-07NOTE: THIS PLAN IS NOT A LEGAL ENGINEERING DOCUMENT BUT AN ELECTRONIC DUPLICATE. THE ORIGINAL, SIGNED BY THE ENGINEER AND APPROVED FOR PUBLICATION, IS KEPT ON FILE AT THE WASHINGTON STATE DEPARTMENT OF TRANS-PORTATION. A COPY MAY BE OBTAINED UPON REQUEST.