TC403_ Shoulder Closure (Highways, 40 mph or Less).pdfEXISTING EXISTING EXISTING EXISTING
SHOULDERLANE LANE SHOULDER
LANE OPEN
LANE OPEN
WORK AREA
TO TRAFFIC
TO TRAFFIC
SEE NOTE 3
SECTION (A -A
0-
X/2 X/2
36" MIN 36"
V36ROAD NOTICE
AHEAD
MIN DOUBLE 48'
IN
W20-1 WORT( ZONES
120-301 (BNA/)
(OPTIONAL)
RECOMMENDED SIGN SPACING = X (1)
RURAL ROADS & URBAN ARTERIALS 35-40 MPH 350'±
RURAL ROADS & URBAN ARTERIALS 25-30 MPH 200'± (2)
RESIDENTAL & BUSINESS DISTRICTS
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.
X/2 X/2 _ U3
rSEE NOTE 1
36" MIN 36" MIN
iz.�s.. 30..
SHOULDER
WORK sc SHARE THE [_(��p_)
SC MAY'IISE 30'•
36" MIN 36" MIN FULL uNE
W21-5 W11-15 MOD R4-11 (B/W)
USED WITH USED WITH
SHARED SHARED
BIKE -VEHICLE BIKE -VEHICLE
LANE ONLY LANE ONLY
SEE NOTE 8(A) SEE NOTE 8(A)
SHOULDER CLOSURE TAPER LENGTH = L/3
SHOULDER
WIDTH
SPEED (MPH)
20 25 30
35
40
< 6'
U3 (feet)
40 40 40
60
60
5'
40 40 40
60
60
10'
40 40 60
90
90
LONGITUDINAL BUFFER SPACE = B
SPEED (MPH)
20
25
30
35
40
B (feet)
115
155
200
250
305
Buffer space may be adjusted (t) based on field conditions.
PROTECTIVE VEHICLE ROLL AHEAD DISTANCE = R
STRATEGICALLY POSITION WORK VEHICLE TO PROTECT WORK CREW.
40'- 80' RECOMMENDED.
A
SEE NOTE 3 T
B R
VARIES, SEE NOTE 2 A
A
SHARED BICYCLE -VEHICLE LANE: 1500'± MAX
OTHER PED/BIKE STRATEGIES: NO LENGTH LIMIT (SEE NOTE 8)
MAXIMUM CHANNELIZATION
DEVICE SPACING (feet)
MPH TAPER
NOTES:
35-40 30
60
20-30 20
1. IF FEASIBLE, AVOID PLACING SHOULDER CLOSURE TAPER WITHIN OR
IMMEDIATELY FOLLOWING HORIZONTAL AND VERTICAL CREST CURVES.
4. SIGNS ARE BLACK ON ORANGE UNLESS OTHERWISE INDICATED.
2. DISTANCE INCREASES AS WORK AREA MOVES DOWNSTREAM.
5. PLAN IS APPLICABLE TO LANE CLOSURES OF 7 DAYS OR LESS.
LEGEND:
3.28" TRAFFIC CONES, 36" TRAFFIC CONES, 42" TALL CHANNELIZING DEVICES,
6. ADD W21-30 SERIES SIGNS (36"x36" MIN, T HEIGHT) @ X PRIOR TO
OR TRAFFIC SAFETY DRUMS ALLOWED ON TAPERS AND TANGENTS.
FREQUENT CONSTRUCTION VEHICLE INGRESS/EGRESS INTO OPEN LANE(S).
N
TEMPORARY SIGN LOCATION (1'MIN HEIGHT)
SHOULDER
CLOSURE
o
CHANNELIZING DEVICE (SEE NOTE 3)
PROTECTIVE VEHICLE
(HIGHWAYS, 40 MPH OR LESS)
NOT TO
SCALE
FILE NAME
C:UserslLintzFlOneDrive -Washington State Department of TransportationlDesktoplWork Zone TCPsl403Hwy40-Shldr.dgn
TIME 6:49:50 AM
RNIOON STATE
FED.AID PROJ.NO.
DATE 8/21/2024
PLOTTED BY LIntzF
10 WAS
DESIGNED BY
JOB NUMBER
MAXIMUM CHANNELIZATION
DEVICE SPACING (feet)
MPH TAPER
TANGENT
35-40 30
60
20-30 20
40
(OPTIONAL)
36"
NOTICE36" MIN
OAD
TRAFFIC FINES
DOUBLE 48"
HEAD
DRK
x
woRN zoxes 36" MIN
120-301 (B/W) W20-1
7. PEDESTRIAN ACCOMMODATIONS, WHERE FACILITY OPEN TO PEDESTRIANS:
(A) KEEP ADJACENT SIDEWALK OR PATHWAY OPEN.
(B) CLOSE ADJACENT SIDEWALK OR PATHWAY. PROVIDE PEDESTRIAN DETOUR,
ALTERNATE ROUTE, OR FREE SHUTTLE (WORK TRUCK, VAN, OR BUS OK).
(C) STOP WORK OPS. & ESCORT PEDESTRIANS THROUGH WORK AREA.
(D) ENGINEER TO ACCEPT ANY ALTERNATIVE STRATEGIES.
8. BICYCLIST ACCOMMODATIONS, WHERE FACILITY OPEN TO BICYCLES:
(A) SHARED BICYCLE -VEHICLE LANE. ADD W11-15 MOD & R4-11 SIGNS.
(B) BICYCLES PROHIBITED R5-6 SIGN(S). PROVIDE SIGNED DETOUR OR
ALTERNATIVE ROUTE.
(C) BICYCLES PROHIBITED VIA R5-6 SIGN(S). PROVIDE FREE SHUTTLE (WORK
TRUCK, VAN, OR BUS OK) + CONTACT INFORMATION/PHONE BOX/LABORER.
(D) STOP WORK OPS & ESCORT BICYCLISTS THROUGH SHOULDER CLOSURE.
(E) ENGINEER TO ACCEPT ANY ALTERNATIVE STRATEGIES.
24"
Ilk36" MIN 36" MIN 36" MIN Y4"
"TRUCKS TRUCKS ac TRucxs
LEAVING ENTERING 4c ENTERING ANO
HIGHWAY HIGHWAY 4C LEAVING R5-6 (R/B/W)
ac HlcxwAT PRIOR TO AND
36" MIN 36" MIN 36" MIN WITHIN
W21 -30A W21-30 W21 -30B SHLDR CLOSURE
Plot 1
PLAN REF NO
TC403
ENTERED BY Washington State SHEET
CHECKED BY CONTRACT NO. LOCATION NO. Department of Transportation of
PROD. ENGR. DATE DATE TYPICAL TRAFFIC CONTROL PLANS SHEETS
REGIONAL ADM. REVISION DATE BY P.E. STAMP BOX P.E. STAMP BOX
EXISTING EXISTING
EXISTING
EXISTING
SHOULDER LANE
LANE
SHOULDER
LANE OPEN
10' MIN
WORK AREA
TO TRAFFIC
OPEN LANE
6'
40 40 40
1
Af SEE NOTE 3
SECTION (A -A
X/2 X/2 X
36" MIN 36" 36" MIN
ROA
WORK NOTICE R
HEAD TRAFFIC FINES WORK
36" MIN DOUBLE 48" 36" MIN
IN
W20-1 WORK ZONES W21-5
120-301 (BIW)
(OPTIONAL)
RECOMMENDED SIGN SPACING = X (1)
RURAL ROADS & URBAN ARTERIALS 35-40 MPH 350'±
RURAL ROADS & URBAN ARTERIALS 25-30 MPH 200'± (2)
RESIDENTAL & BUSINESS DISTRICTS
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.
_ X/2 _ X/2 _r U3
SEE NOTE 1
36"MIN 36" MIN
ROA izTs.. 30..
NARROWS 5c SHARE THE [_(��p_)
SC MAY'IISE 30"
36" MIN 36" MIN FULL uNE
W5-1 W11-15 MOD R4-11 (B/W)
USED WITH USED WITH
SHARED SHARED
BIKE -VEHICLE BIKE -VEHICLE
LANE ONLY LANE ONLY
SEE NOTE 8(A) SEE NOTE 8(A)
10' MIN
OPEN LANE
SHOULDER CLOSURE TAPER LENGTH = L/3
SHOULDER
WIDTH
SPEED (MPH)
20 25 30
35
40
< 6'
U3 (feet)
40 40 40
60
60
6'
40 40 40
60
60
10'
40 40 60
90
90
LONGITUDINAL BUFFER SPACE = B
SPEED (MPH)
20
25
30
35
40
B (feet)
115
155
200
250
305
Buffer space may be adjusted (t) based on field conditions.
PROTECTIVE VEHICLE ROLL AHEAD DISTANCE = R
STRATEGICALLY POSITION WORK VEHICLE TO PROTECT WORK CREW.
40'- 80' RECOMMENDED.
A
■ 0 0
SEE NOTE 3 WORK,
�'AREA,,`
B R
VARIES, SEE NOTE 2
A
SHARED BICYCLE -VEHICLE LANE: 1500'± MAX
OTHER PED/BIKE STRATEGIES: NO LENGTH LIMIT (SEE NOTE 8)
MAXIMUM CHANNELIZATION
DEVICE SPACING (feet)
MPH TAPER
NOTES:
35-40 30
60
20-30 20
1. IF FEASIBLE, AVOID PLACING SHOULDER CLOSURE TAPER WITHIN OR
IMMEDIATELY FOLLOWING HORIZONTAL AND VERTICAL CREST CURVES.
4. SIGNS ARE BLACK ON ORANGE UNLESS OTHERWISE INDICATED.
2. DISTANCE INCREASES AS WORK AREA MOVES DOWNSTREAM.
5. PLAN IS APPLICABLE TO LANE CLOSURES OF 7 DAYS OR LESS.
LEGEND:
3.28" TRAFFIC CONES, 36" TRAFFIC CONES, 42" TALL CHANNELIZING DEVICES,
6. ADD W21-30 SERIES SIGNS (36"x36' MIN, T HEIGHT) @ X PRIOR TO
OR TRAFFIC SAFETY DRUMS ALLOWED ON TAPERS AND TANGENTS.
FREQUENT CONSTRUCTION VEHICLE INGRESS/EGRESS INTO OPEN LANE(S).
N
TEMPORARY SIGN LOCATION ( HEIGHT)
SHOULDER CLOSURE WITH ENCROACHMENT
o
CHANNELIZING DEVICE (SEE NOTE 3)
NOT
PROTECTIVE VEHICLE
(HIGHWAYS, 40 MPH OR LESS)
NOT TO
SCALE
FILE NAME
C:UserslLintzFlOneDrive -Washington State Department of TransportationlDesktoplWork Zone TCPsl403Hwy4O-ShIdr.dgn
TIME 6:49:50 AM
RNIOON I STATE
FED.AID PROJ.NO.
DATE 8/21/2024
PLOTTED BY LIntzF
10 WAS
DESIGNED BY
JOB NUMBER
MAXIMUM CHANNELIZATION
DEVICE SPACING (feet)
MPH TAPER
TANGENT
35-40 30
60
20-30 20
40
(OPTIONAL)
36"
NOTICE36" MIN
OAD
TRAFFIC FINES
DOUBLE 48"
HEAD
DRK
x
woRK zoxes 36" MIN
120-301 (B/W) W20-1
X/2 X/2
_a
7. PEDESTRIAN ACCOMMODATIONS, WHERE FACILITY OPEN TO PEDESTRIANS:
(A) KEEP ADJACENT SIDEWALK OR PATHWAY OPEN.
(B) CLOSE ADJACENT SIDEWALK OR PATHWAY. PROVIDE PEDESTRIAN DETOUR,
ALTERNATE ROUTE, OR FREE SHUTTLE (WORK TRUCK, VAN, OR BUS OK).
(C) STOP WORK OPS. & ESCORT PEDESTRIANS THROUGH WORK AREA.
(D) ENGINEER TO ACCEPT ANY ALTERNATIVE STRATEGIES.
8. BICYCLIST ACCOMMODATIONS, WHERE FACILITY OPEN TO BICYCLES:
(A) SHARED BICYCLE -VEHICLE LANE. ADD W11-15 MOD & R4-11 SIGNS.
(B) BICYCLES PROHIBITED R5-6 SIGN(S). PROVIDE SIGNED DETOUR OR
ALTERNATIVE ROUTE.
(C) BICYCLES PROHIBITED VIA R5-6 SIGN(S). PROVIDE FREE SHUTTLE (WORK
TRUCK, VAN, OR BUS OK) + CONTACT INFORMATION/PHONE BOX/LABORER.
(D) STOP WORK OPS & ESCORT BICYCLISTS THROUGH SHOULDER CLOSURE.
(E) ENGINEER TO ACCEPT ANY ALTERNATIVE STRATEGIES.
24"
Ilk36" MIN 36" MIN 36" MIN Y4"
"TRUCKS TRUCKS ac TRucxs
LEAVING ENTERING 4c ENTERING ANO
HIGHWAY HIGHWAY 4c LEAVING R5-6 (R/B/W)
ac HlcxwAT PRIOR TO AND
36" MIN 36" MIN 36" MIN WITHIN
W21 -30A W21-30 W21 -30B SHLDR CLOSURE
PLAN REF NO
TC403
ENTERED BY Washington State SHEET
CHECKED BY CONTRACT NO. LOCATION NO. Department of Transportation of
PROD. ENGR.DATE DATE TYPICAL TRAFFIC CONTROL PLANS SHEETS
REGIONAL ADM. REVISION DATE BY P.E. STAMP BOX P.E. STAMP BOX
WORK ZONE MICROSTATION CELLS: Updated work zone cells incorporated (August 2024).
WSDOT CAE automatically updates cell libraries on WSDOT and on-site consultant staff computers (no action needed); however, external users or
off-site consultants must manually install them. For additional information e-mail HQCAEHelpDesk@wsdot.wa.gov.
Division 4 in WSDOT Plans Preparation Manual, Section 400.06(29), provides updated work zone cell library policy and information for PS&Es.
See https://wsdot.wa.gov/engineering-standards/all-manuals-and-standards/manuals/plans-preparation-manual
PLOT USAGE EXPLANATION:
Plot 1: Shoulder closure maintaining existing speed limit on highways with 40 mph or lower speed limits.
Plot 2: Shoulder closure, with encroachment, maintaining existing speed limit on highways with 40 mph or lower speed limits.
Note: Details for at -grade intersections will be added at a future date.
DESIGNER NOTES:
A. These typical traffic control plans (Typical TCPs) may be modified for project -specific, site-specific situations, and/or WSDOT Region Transportation
Operations standard practices. Typical TCPs are not "Standard Plans".
B. Because of the minimal traffic impacts of shoulder closures, Portable Changeable Message Signs (PCMSs) are avoided. PCMSs are optional per MUTCD
Section 6F.60 and Section 6H and are used to supplement signage and inform motorists of unexpected situations.
C. 36"x36" MIN diamond-shaped work zone signs used on highways 40 mph or lower by WSDOT standard practice (30"00" signs permitted on local
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
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
information.
D. When positioned behind channelizing devices, temporary signs should be mounted at 5' minimum.
E. Work zone traffic control layout is based on the posted speed limit.
F. Traffic safety drums, 42" tall channelizing devices, 36" traffic cones, & 28" traffic cones allowable for tapers and tangents (vertical panel channelizing
devices prohibited). Warning lights on channelizing devices being phased out in Washington. Contact Region Transportation Operations for information
regarding their standard practices.
G. Maximum channelizing device spacing table for tangents is based on WAC 468-95-301 and may ALWAYS be reduced.
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
(arrow boards) should not be used.
I. Longitudinal buffer spaces (B) are optional per MUTCD Section 6C.06 but is desired when practical. Longitudinal buffers are the most adjustable
component that may be increased/decreased to move lane closure tapers away from horizontal/vertical curves and from on-ramp merges.
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,
lateral buffer spaces are optional. Actual work area limits may be modified.
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
traffic impacts and increase safety.
SHOULDER CLOSURE (HIGHWAYS, 40 MPH OR LESS)
INFORMATIONAL USE ONLY
DO NOT INCLUDE THIS SHEET IN
CONTRACT PS&Es or TCP SUBMITTALs.
DESIGNER GUIDANCE
Plot 3
TC403