SHOULDER CLOSED LOW SPEEDFILE NAME
TIME
DATE
DESIGNED BY
ENTERED BY
CHECKED BY
PROJ. ENGR.
REGIONAL ADM.REVISION DATE BY
SHEET
OF
SHEETS
Washington State
Department of Transportation
P.E. STAMP BOX P.E. STAMP BOX
DATE DATE
LOCATION NO.CONTRACT NO.
JOB NUMBER
REGION
NO.
STATE FED.AID PROJ.NO.
WASH
PLOTTED BY
PLAN REF NO
LintzF
8/21/2024
6:49:50 AM
C:\Users\LintzF\OneDrive - Washington State Department of Transportation\Desktop\Work Zone TCPs\403Hwy40-Shldr.dgn
10
Plot 1
TYPICAL TRAFFIC CONTROL PLANS
TC403
1
2
NOT TO SCALE
X/2X/2
SEE NOTE 1
L/3X/2 X/2
X/2X/2
I20-301 (B/W)
48"
NOTICE
TRAFFIC FINES
IN
WORK ZONES
DOUBLE
36"
(OPTIONAL)
P
V
P
V
(HIGHWAYS, 40 MPH OR LESS)
SHOULDER CLOSURE
SEE NOTE 3 AREA
WORK
(OPTIONAL)
I20-301 (B/W)
48"
NOTICE
TRAFFIC FINES
IN
WORK ZONES
DOUBLE
36"
30"
30"
FULL LANE
MAY USE
SEE NOTE 8(A)
LANE ONLY
BIKE-VEHICLE
SHARED
USED WITH
R4-11 (B/W)
MIN 36"
MIN 36"
W21-5
SHOULDER
WORK
MIN 36"
MIN 36"
SEE NOTE 8(A)
LANE ONLY
BIKE-VEHICLE
SHARED
USED WITH
W11-15 MOD
5C
5C
12.75"
W20-1
MIN 36"
MIN 36"
PROTECTIVE VEHICLE ROLL AHEAD DISTANCE = R
RECOMMENDED. 40' - 80'
STRATEGICALLY POSITION WORK VEHICLE TO PROTECT WORK CREW.
30 35 4020SPEED (MPH)
B (feet)
25
115 155 200 250 305
LONGITUDINAL BUFFER SPACE = B
Buffer space may be adjusted
(E) ENGINEER TO ACCEPT ANY ALTERNATIVE STRATEGIES.
(D) STOP WORK OPS & ESCORT BICYCLISTS THROUGH SHOULDER CLOSURE.
TRUCK, VAN, OR BUS OK) + CONTACT INFORMATION/PHONE BOX/LABORER.
(C) BICYCLES PROHIBITED VIA R5-6 SIGN(S). PROVIDE FREE SHUTTLE (WORK
ALTERNATIVE ROUTE.
(B) BICYCLES PROHIBITED R5-6 SIGN(S). PROVIDE SIGNED DETOUR OR
(A) SHARED BICYCLE-VEHICLE LANE. ADD W11-15 MOD & R4-11 SIGNS.
8. BICYCLIST ACCOMMODATIONS, WHERE FACILITY OPEN TO BICYCLES:
(D) ENGINEER TO ACCEPT ANY ALTERNATIVE STRATEGIES.
(C) STOP WORK OPS. & ESCORT PEDESTRIANS THROUGH WORK AREA.
ALTERNATE ROUTE, OR FREE SHUTTLE (WORK TRUCK, VAN, OR BUS OK).
(B) CLOSE ADJACENT SIDEWALK OR PATHWAY. PROVIDE PEDESTRIAN DETOUR,
(A) KEEP ADJACENT SIDEWALK OR PATHWAY OPEN.
7. PEDESTRIAN ACCOMMODATIONS, WHERE FACILITY OPEN TO PEDESTRIANS:
W20-1
MIN 36"
MIN 36"
SECTION A-A
SHOULDER
EXISTING
SHOULDER
EXISTING
LANE
EXISTING
LANE
EXISTING
WORK AREA
TO TRAFFIC
LANE OPEN
TO TRAFFIC
LANE OPEN
3 NOTE SEE
R
VARIES, SEE NOTE 2
B
PROTECTIVE VEHICLE
CHANNELIZING DEVICE (SEE NOTE 3)
TEMPORARY SIGN LOCATION (1' MIN HEIGHT)
:LEGEND
OR TRAFFIC SAFETY DRUMS ALLOWED ON TAPERS AND TANGENTS.
3. 28" TRAFFIC CONES, 36" TRAFFIC CONES, 42" TALL CHANNELIZING DEVICES,
2. DISTANCE INCREASES AS WORK AREA MOVES DOWNSTREAM.
IMMEDIATELY FOLLOWING HORIZONTAL AND VERTICAL CREST CURVES.
1. IF FEASIBLE, AVOID PLACING SHOULDER CLOSURE TAPER WITHIN OR
:NOTES
24"
24"
SHLDR CLOSURE
WITHIN
PRIOR TO AND
R5-6 (R/B/W)
MIN 36"
MIN 36"
W21-30A
LEAVING
HIGHWAY
TRUCKS
MIN 36"
MIN 36"
LEAVING
TRUCKS
HIGHWAY
ENTERING AND
W21-30B
4C
4C
4C
4C
MIN 36"
MIN 36"
ENTERING
HIGHWAY
TRUCKS
W21-30
FREQUENT CONSTRUCTION VEHICLE INGRESS/EGRESS INTO OPEN LANE(S).
6. ADD W21-30 SERIES SIGNS (36"x36" MIN, 5' HEIGHT) @ X PRIOR TO
5. PLAN IS APPLICABLE TO LANE CLOSURES OF 7 DAYS OR LESS.
4. SIGNS ARE BLACK ON ORANGE UNLESS OTHERWISE INDICATED.
OTHER PED/BIKE STRATEGIES: NO LENGTH LIMIT (SEE NOTE 8)
T
Y
P
.
M
IN
4
'
T
Y
P
.
M
IN
4
'
URBAN STREETS
RESIDENTAL & BUSINESS DISTRICTS
RURAL ROADS & URBAN ARTERIALS
RURAL ROADS & URBAN ARTERIALS 35-40 MPH
25-30 MPH
25 MPH OR LESS
ROADWAY CONDITIONS.
(2) THIS SPACING MAY BE REDUCED IN URBAN AREAS TO FIT
INTERCHANGE RAMPS, AT-GRADE INTERSECTIONS AND DRIVEWAYS.
(1) ALL SPACING MAY BE ADJUSTED TO ACCOMMODATE
RECOMMENDED SIGN SPACING = X (1)
30 35 4020SPEED (MPH)25
4010'
SHOULDER CLOSURE TAPER LENGTH = L/3
40
40
WIDTH
SHOULDER
< 6'
6'
40 40 60 60
40
40
40
60
60 60
90 90
L/3 (feet)
30
20 40
TANGENTMPHTAPER
DEVICE SPACING (feet)
MAXIMUM CHANNELIZATION
60- 40 35
30 - 20
ROAD
SHARE THE
R
ROAD
WORK
AHEAD
ROAD
WORK
AHEAD
1
A
A
NOT TO SCALE
RXX/2X/2
(OPTIONAL)
I20-301 (B/W)
48"
NOTICE
TRAFFIC FINES
IN
WORK ZONES
DOUBLE
36"
VARIES, SEE NOTE 2
B
SEE NOTE 1
L/3
AREA
WORK
24"
24"
SHLDR CLOSURE
WITHIN
PRIOR TO AND
R5-6 (R/B/W)
SEE NOTE 3
X/2 X/2
X/2X/2
I20-301 (B/W)
48"
NOTICE
TRAFFIC FINES
IN
WORK ZONES
DOUBLE
36"
(OPTIONAL)
30"
30"
FULL LANE
MAY USE
SEE NOTE 8(A)
LANE ONLY
BIKE-VEHICLE
SHARED
USED WITH
R4-11 (B/W)
P
V
P
V
FILE NAME
TIME
DATE
DESIGNED BY
ENTERED BY
CHECKED BY
PROJ. ENGR.
REGIONAL ADM.REVISION DATE BY
SHEET
OF
SHEETS
Washington State
Department of Transportation
P.E. STAMP BOX P.E. STAMP BOX
DATE DATE
LOCATION NO.CONTRACT NO.
JOB NUMBER
REGION
NO.
STATE FED.AID PROJ.NO.
WASH
PLOTTED BY
PLAN REF NO
LintzF
8/21/2024
6:49:50 AM
C:\Users\LintzF\OneDrive - Washington State Department of Transportation\Desktop\Work Zone TCPs\403Hwy40-Shldr.dgn
10
(HIGHWAYS, 40 MPH OR LESS)
SHOULDER CLOSURE WITH ENCROACHMENT
MIN 36"
MIN 36"
W21-5
SHOULDER
WORK
MIN 36"
MIN 36"
W5-1
ROAD
NARROWS
MIN 36"
MIN 36"
SEE NOTE 8(A)
LANE ONLY
BIKE-VEHICLE
SHARED
USED WITH
W11-15 MOD
5C
5C
12.75"
W20-1
MIN 36"
MIN 36"
MIN 36"
MIN 36"
W21-30A
LEAVING
HIGHWAY
TRUCKS
MIN 36"
MIN 36"
LEAVING
TRUCKS
HIGHWAY
ENTERING AND
W21-30B
4C
4C
4C
4C
MIN 36"
MIN 36"
ENTERING
HIGHWAY
TRUCKS
W21-30
OPEN LANE
10' MIN
(E) ENGINEER TO ACCEPT ANY ALTERNATIVE STRATEGIES.
(D) STOP WORK OPS & ESCORT BICYCLISTS THROUGH SHOULDER CLOSURE.
TRUCK, VAN, OR BUS OK) + CONTACT INFORMATION/PHONE BOX/LABORER.
(C) BICYCLES PROHIBITED VIA R5-6 SIGN(S). PROVIDE FREE SHUTTLE (WORK
ALTERNATIVE ROUTE.
(B) BICYCLES PROHIBITED R5-6 SIGN(S). PROVIDE SIGNED DETOUR OR
(A) SHARED BICYCLE-VEHICLE LANE. ADD W11-15 MOD & R4-11 SIGNS.
8. BICYCLIST ACCOMMODATIONS, WHERE FACILITY OPEN TO BICYCLES:
(D) ENGINEER TO ACCEPT ANY ALTERNATIVE STRATEGIES.
(C) STOP WORK OPS. & ESCORT PEDESTRIANS THROUGH WORK AREA.
ALTERNATE ROUTE, OR FREE SHUTTLE (WORK TRUCK, VAN, OR BUS OK).
(B) CLOSE ADJACENT SIDEWALK OR PATHWAY. PROVIDE PEDESTRIAN DETOUR,
(A) KEEP ADJACENT SIDEWALK OR PATHWAY OPEN.
7. PEDESTRIAN ACCOMMODATIONS, WHERE FACILITY OPEN TO PEDESTRIANS:
PROTECTIVE VEHICLE ROLL AHEAD DISTANCE = R
RECOMMENDED. 40' - 80'
STRATEGICALLY POSITION WORK VEHICLE TO PROTECT WORK CREW.
30 35 4020SPEED (MPH)
B (feet)
25
115 155 200 250 305
LONGITUDINAL BUFFER SPACE = B
Buffer space may be adjusted
W20-1
MIN 36"
MIN 36"
TYPICAL TRAFFIC CONTROL PLANS
TC403
2
2
SECTION A-A
SHOULDER
EXISTING
SHOULDER
EXISTING
LANE
EXISTING
LANE
EXISTING
WORK AREA
TO TRAFFIC
LANE OPEN
3 NOTE SEE
PROTECTIVE VEHICLE
CHANNELIZING DEVICE (SEE NOTE 3)
TEMPORARY SIGN LOCATION (1' MIN HEIGHT)
:LEGEND
OR TRAFFIC SAFETY DRUMS ALLOWED ON TAPERS AND TANGENTS.
3. 28" TRAFFIC CONES, 36" TRAFFIC CONES, 42" TALL CHANNELIZING DEVICES,
2. DISTANCE INCREASES AS WORK AREA MOVES DOWNSTREAM.
IMMEDIATELY FOLLOWING HORIZONTAL AND VERTICAL CREST CURVES.
1. IF FEASIBLE, AVOID PLACING SHOULDER CLOSURE TAPER WITHIN OR
:NOTES
OPEN LANE
10' MIN
OTHER PED/BIKE STRATEGIES: NO LENGTH LIMIT (SEE NOTE 8)
FREQUENT CONSTRUCTION VEHICLE INGRESS/EGRESS INTO OPEN LANE(S).
6. ADD W21-30 SERIES SIGNS (36"x36" MIN, 5' HEIGHT) @ X PRIOR TO
5. PLAN IS APPLICABLE TO LANE CLOSURES OF 7 DAYS OR LESS.
4. SIGNS ARE BLACK ON ORANGE UNLESS OTHERWISE INDICATED.
T
Y
P
.
M
IN
4
'
T
Y
P
.
M
IN
4
'
URBAN STREETS
RESIDENTAL & BUSINESS DISTRICTS
RURAL ROADS & URBAN ARTERIALS
RURAL ROADS & URBAN ARTERIALS 35-40 MPH
25-30 MPH
25 MPH OR LESS
ROADWAY CONDITIONS.
(2) THIS SPACING MAY BE REDUCED IN URBAN AREAS TO FIT
INTERCHANGE RAMPS, AT-GRADE INTERSECTIONS AND DRIVEWAYS.
(1) ALL SPACING MAY BE ADJUSTED TO ACCOMMODATE
RECOMMENDED SIGN SPACING = X (1)
30 35 4020SPEED (MPH)25
4010'
SHOULDER CLOSURE TAPER LENGTH = L/3
40
40
WIDTH
SHOULDER
< 6'
6'
40 40 60 60
40
40
40
60
60 60
90 90
L/3 (feet)
30
20 40
TANGENTMPHTAPER
DEVICE SPACING (feet)
MAXIMUM CHANNELIZATION
60- 40 35
30 - 20
ROAD
SHARE THE
R
ROAD
WORK
AHEAD
ROAD
WORK
AHEAD
1
A
A
Plot 3
DESIGNER GUIDANCE
CONTRACT PS&Es or TCP SUBMITTALs.
DO NOT INCLUDE THIS SHEET IN
INFORMATIONAL USE ONLY
TC403
SHOULDER CLOSURE (HIGHWAYS, 40 MPH OR LESS)
traffic impacts and increase safety.
K. Per MUTCD TA-6, the downstream taper not used. Eliminating it allows construction vehicles to accelerate out of work area into reopened lane to minimize
lateral buffer spaces are optional. Actual work area limits may be modified.
J. No lateral buffer (transverse distance between open lanes and work area) typically used on roadways 40 mph or less. Per MUTCD Section 6C.06 P14,
component that may be increased/decreased to move lane closure tapers away from horizontal/vertical curves and from on-ramp merges.
I. Longitudinal buffer spaces (B) are optional per MUTCD Section 6C.06 but is desired when practical. Longitudinal buffers are the most adjustable
(arrow boards) should not be used.
H. It is WSDOT standard practice not to use sequential arrow signs (arrow boards) for shoulder closure tapers. Per MUTCD TA-6, sequential arrow signs
G. Maximum channelizing device spacing table for tangents is based on WAC 468-95-301 and may ALWAYS be reduced.
regarding their standard practices.
devices prohibited). Warning lights on channelizing devices being phased out in Washington. Contact Region Transportation Operations for information
F. Traffic safety drums, 42" tall channelizing devices, 36" traffic cones, & 28" traffic cones allowable for tapers and tangents (vertical panel channelizing
E. Work zone traffic control layout is based on the posted speed limit.
D. When positioned behind channelizing devices, temporary signs should be mounted at 5' minimum.
information.
gated). If signs are barrier-mounted, a special rectangular-shaped 24"x48" sign should be used. See MUTCD Table 6F-1 for additional temporary sign size
streets/roadways 30 mph or less per MUTCD 6F.02 P09). For shoulder closures, temporary signs are only placed on one shoulder (does not need to be
C. 36"x36" MIN diamond-shaped work zone signs used on highways 40 mph or lower by WSDOT standard practice (30"x30" signs permitted on local
Section 6F.60 and Section 6H and are used to supplement signage and inform motorists of unexpected situations.
B. Because of the minimal traffic impacts of shoulder closures, Portable Changeable Message Signs (PCMSs) are avoided. PCMSs are optional per MUTCD
Typical TCPs are not "Standard Plans".Operations standard practices.
A. These typical traffic control plans (Typical TCPs) may be modified for project-specific, site-specific situations, and/or WSDOT Region Transportation
:DESIGNER NOTES
Details for at-grade intersections will be added at a future date.:Note
Shoulder closure, with encroachment, maintaining existing speed limit on highways with 40 mph or lower speed limits.Plot 2:
Shoulder closure maintaining existing speed limit on highways with 40 mph or lower speed limits.Plot 1:
:PLOT USAGE EXPLANATION
See https://wsdot.wa.gov/engineering-standards/all-manuals-and-standards/manuals/plans-preparation-manual
Division 4 in WSDOT Plans Preparation Manual, Section 400.06(29), provides updated work zone cell library policy and information for PS&Es.
off-site consultants must manually install them. For additional information e-mail HQCAEHelpDesk@wsdot.wa.gov.
WSDOT CAE automatically updates cell libraries on WSDOT and on-site consultant staff computers (no action needed); however, external users or
: Updated work zone cells incorporated (August 2024).WORK ZONE MICROSTATION CELLS