20100601122836898.pdfROAD
CONSTRUCTION
AHEAD
(W20-1)
ONE LAN>(W20-4) ROAD
AHEAD
(W20-7 A)
SEE NOTE 1
•
SEE NOTE 1
•
SEE NOTE 1
SIOV
SPEED
(MPH)
TAPER LENGTH
(FT)
OFFSET WIDTH
10' 12'
CONE SPACING
ALONG TAPER
(FT)
25
105 125
25
30
150 180
30
35
205 245
35
40
270 1 320
40
45 j
450 1 540
45
J®TE:
1 DISTANCE BETWEEN SIGNS SHALL BE 100'
FOR RESIDENTIAL STREETS (25 MPH), AND
200' FOR ARTERIAL ROADWAYS
• FLASHING BEACON SHALL BE INSTALLED AT
EACH SIGN FOR NIGHT-TIME USE.
DISTANCES MAY VARY AS APPROVED BY THE
ENGINEER.
• FLAGGERS REQUIRED TO CONTROL TRAFFIC
WHENEVER THE CONTRACTOR MUST
INTERRUPT TRAFFIC FLOW TO ACCESS THE
WORK SITE . WITH MATERIALS OR EQUIPMENT.
• SIGN SIZE PER MUTCD.
EB CONE OR CHANNELIZING DEVICE (SEE STD
713)
1'71 /C/ e
t
1
1
1
t
I
I
I
1
1
1
I
I
I
1
i
1
I
1
1
I
lO
WORK AREA
t
TRUCK WITH
FLASHING OR WITH <S>
BEACON
Ip
O T
I o 1
1
I TAPER LENGTH
(TABLE A)
t
Rl
I
1
I
1
SEE NOTE 1
1
t
j (W20-7 A)
SEE NOTE 1
I
t
ONELANE
t ROAD
AHEAD
SEE NOTE 1 (W20`4)
I
1
ROAD
I CONSTRUCTION
i AHEAD
(W20-1)