ENG2021-0528-TCP-12.22.2021LANE CLOSURE ON A MULTI -LANE ROAD
N
J
N
NORTH
(OPTIONAL)
N
J
X W1-4L
s
N
J
SIGN SPACING = X
FREEWAYS & EXPRESSWAYS
55-70 MPH
1500'±
RURAL HIGHWAYS
60-65 MPH
800'±
RURAL ROADS
45-55 MPH
500'±
RURAL ROADS & URBAN ARTERIALS
35-40 MPH
350'±
RURAL ROADS & URBAN ARTERIALS
RESIDENTIAL & BUSINESS DISTRICTS
25-30 MPH
200'± (2)
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.
J�7ROAD�*
i W20-5R
i WORK
AHEAD
W20-1
MINIMUM LANE CLOSURE TAPER LENGTH = L (FEET)
LANE WIDTH
POSTED SPEED (MPH)
(FEET)
25
30
35
40
45
1 50
55
60
65
70
10
105
150
205
270
450
500
550
-
-
-
11
115
165
225
295
495
550
605
660
-
-
12
125
180
245
320
540
600
660
720
780
840
GENERAL NOTES:
1. ALL SIGNS AND SPACING SHALL CONFORM TO THE MUTCD.
2. NOTIFY LOCAL EMERGENCY SERVICES OF CLOSURE TIMES AND
DATES (OPTIONAL).
3. SIGN SPACING MAY BE REDUCED IN URBAN AREAS TO FIT ROAD
CONDITIONS.
4. PROTECTIVE VEHICLE RECOMMENDED -MAY BE A WORK TRUCK.
5. ALL SIGNS MINIMUM 48" X 48", UNLESS OTHERWISE SPECIFIED.
6. CHANNELIZATION DEVICES ARE 28" REFLECTIVE CONES. SEE TABLE 1
FOR SPACING DISTANCES.
7. ALL SPACING MAY BE ADJUSTED TO ACCOMODATE AT -GRADE
INTERSECTIONS AND/OR DRIVEWAYS.
BUFFER DATA
LONGITUDINAL- BUFFER SPACE = B
SPEED (MPH)
1 25
1 30
1 35
40
45
50
55
60
65
70
LENGTH (FEET)l
155
1 200
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 MPHI
> 55 MPH
< 45 MPH
45-55 MPH
> 55 MPH
100' 1
123' 1
172'
74' 1
100' 1
150'
TABLE 1
CHANNEL_IZATION DEVICE
SPACING (FEET)
MPH
TAPER
TANGENT
50-70
40
80
35-45
30
60
25-30
20
40
•
CHANNELIZING DEVICE
PORTABLE SIGN AND SUPPORT
�®
WORK VEHICLE WITH FLASHING
LIGHT
WORK AREA
DOUBLE LANE CLOSURE ON MULTI -LANE ROAD GENERAL NOTES:
W20-1
R
WD = I I 1. ALL SIGNS AND SPACING SHALL CONFORM TO THE MUTCD.
AHEAD
CENTER X
LANE _ I I 2. NOTIFY LOCAL EMERGENCY SERVICES OF CLOSURE TIMES AND
W20-SMOD CLOSED I I DATES (OPTIONAL).
AHEAD X
3. SIGN SPACING MAY BE REDUCED IN URBAN AREAS TO FIT ROAD
CONDITIONS.
J I O O 4. PROTECTIVE VEHICLE RECOMMENDED -MAY BE A WORK TRUCK.
i 5. ALL SIGNS MINIMUM 48" X 48", UNLESS OTHERWISE SPECIFIED.
m 6. CHANNELIZATION DEVICES ARE 28" REFLECTIVE CONES. SEE TABLE 1
FOR SPACING DISTANCES.
i O
O 7. ALL SPACING MAY BE ADJUSTED TO ACCOMODATE AT -GRADE
O 1 O INTERSECTIONS AND/OR DRIVEWAYS.
+� I c
(OPTIONAL) I- I
I�
I�
(OPTIONAL) - Is IJZo-
I < I* I Z
I�
o I�
z I�
0 1* 1 11
o Z � LEGEND
W 0 1 Z5 Uv TABLE 1
O • CHANNELIZING DEVICE
x i PORTABLE SIGN AND SUPPORT
i
(OPTIONAL) 1 O - W4-2L �® WORK VEHICLE WITH FLASHING
LIGHT
WORK AREA
Cv
u
I I I i
I l
I I I i I l �V4-2L
RIGHT
1 i TWO LANE
CLOSED W20-501
AHEAD
ROAD
WORK
AHEAD
SIGN SPACING = X
FREEWAYS &EXPRESSWAYS
55-70 MPH
1500'±
RURAL HIGHWAYS
60-65 MPH
800'±
RURAL ROADS
45-55 MPH
500'±
RURAL ROADS &URBAN ARTERIALS
35-40 MPH
350'±
RURAL ROADS &URBAN ARTERIALS
RESIDENTIAL &BUSINESS DISTRICTS
25-30 MPH
200'± (2)
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.
BUCKER 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 CBS.
HOST VEHICLE WEIGHT
> 22,000 CBS.
< 45 MPH
45-55 MPH
> 55 MPH
< 45 MPH
45-55 MPH
> 55 MPH
100'
123'
172'
74'
100'
150'
CHANNE�IZATION DEICE
SPACING (BEET)
MPH
TAPER
TANGENT
50-70
40
80
35-45
30
60
25-30
20
40
MINIMUM SANE CLOSURE TAPER LENGTH = � (FEET)
LANE WIDTH
POSTED SPEED (MPH)
(FEET)
25
30
35
40
45
50
55
60
65
70
10
105
150
205
270
450
500
550
-
-
-
11
115
165
225
295
495
550
605
660
-
-
12
125
180
245
320
540
600
660
720
780
840