HomeMy WebLinkAboutFile9063 HWY 0047620-2
60'X 24"
STREET CLOSED
JZ/t-4o TO
&0"x36 THRU TRAFFIC
LOCAL TRAFFIC ONLY
M4-IOR
30'X24"
u- I I
W mm m
(D p 0m Ll
crWW W
Q Z Y Z Y
U � W q W
Z0x:000
M4 -IOL
30,r 24 "
M4 -9R
30 "x.30"
DETOUR
--10
TYPICAL DETOUR SIGNING LAYOUT
HOURS OF OPERATION
9:00 PM TO 5:30 AM
PROPOSED BIKEWAY OVER ROUTE 128
°2o-/
3"x 49"
'/3 -I
I "X 24"
LOCATION
GRANT AVENUE
BEDFORD- LEXINGTON -ARLINGTON
MINUTEMAN BIKEWAY
PUB. RD.
TRAFFIC
STATE
FED. AID PROJ.NO. FISCAL
SNEET
TOTAL
W/-4'
YEAR
N0.
SHEETS
3ai 3G"
19
147
s
19-1-
Q
TYPE= BARRICADE
YTYPE
III BARRICADE
Z
co
50 MIN.
W
Q
ROAD
UNDER
DO NOT
.
CONSTRUCTION
ENTER
¢8x48
ilmom NOOSE mas4--w--ONEWAY
■ ■o
N
RS -1
F.
DETOUR M4 -4L
l
30X"30"
—
--
co
— — —
U
Ir ONEWAY
DETOUR
2G -1L (PC3SJ
4,14 - /OG.
3O x 2411
LOCATION
GRANT AVENUE
BEDFORD- LEXINGTON -ARLINGTON
MINUTEMAN BIKEWAY
PUB. RD.
TRAFFIC
STATE
FED. AID PROJ.NO. FISCAL
SNEET
TOTAL
DIVNO.
YEAR
N0.
SHEETS
MASS.
19
147
s
19-1-
TRAFFIC CONTROL PLAN
NOTES:
I. TAPER FORMULA:
L = S X•W FOR SPEEDS OF 45 OR MORE.
L= 602
FOR SPEEDS OF 40 OR LESS.
WHERE:
L= MINIMUM LENGTH OF TAPER
S= NUMERICAL VALUE OF POSTED SPEED
LIMIT PRIOR TO WORK OR 85TH
PERCENTILE SPEED.
W=WIDTH OF OFFSET.
2.THE MAXIMUM SPACING BETWEEN
CHANNELIZING DEVICES IN A TAPER SHOULD
BE APPROXIMATELY EQUAL IN FEET TO THE
SPEED LIMIT.
NT MARKINGS NO LONGER APPLI
WHICH REATE CONFUSIOgBoWoTffil
MINDS OF D OREO4-;
_ALPA OONAS
LL BE
PRACTILA
REMOVED ALL
A4B
4. WARNING LIGHTS, TYPE C, SHOULD BE USED TO MARK
CHANNELIZING DEVICES AT NIGHT AS NEEDED.
5. FLASHING WARNING LIGHTS AND/OR FLAGS
MAY BE USED TO CALL ATTENTION TO THE
EARLY WARNING SIGNS.
6. A MIRROR IMAGE OF THE LAYOUT WILL BE USED
FOR CONSTRUCTION ON THE LEFT OF THE
TRAVELED WAY. THE SAME LAYOUT APPLIES
ON THE OPPOSITE TRAVEL WAY OF ROUTE 128.
7. WHEN WORKING OVER THE MEDIAN AREA
CONTROLLING BOTH APPROACHES CAN BE APPLIED.
8. ALL DISTANCES MAY BE ADJUSTED SLIGHTLY
TO FIT FIELD CONDITIONS.
9. A MINIMUM OF SIX CHANNELIZING DEVICES
SHALL BE USED FOR THE TAPER.
10. ALL FLAGGERS MUST BE IN COMMUNICATION
WITH EACH OTHER.
11. EACH FLAGGER SHOULD BE CLEARLY VISIBLE TO
THE TRAFFIC WHICH IS BEING CONTROLLED FOR A
MINIMUM DISTANCE OF A(SEE TABLE -3 ON PREVIOUS SHEE
12. WHEN POSTED,ADVISORY SPEEDS SHOULD COMPLY
WITH TABLE I.(ON PREVIOUS SHEET)
I3.DURING HOURS OF DARKNESS,ALL SIGNS SHALL BE
REFLECTORIZED OR ILLUMINATED, EACH FLAGGER
SHALL WEAR A REFLECTORIZED OUTER GARMENT,
AND EACH FLAGGER STATION SHALL BE ILLUMINATED.
14. DURING OFF HOURS OF CONSTRUCTION, THE WARNING
SIGNS SHALL BE COVERED BY CLOTH, TO PREVENT
CONFUSION TO MOTORIST.
KEY
0 CHANNELIZATION DEVICES -CONE,
VERTICAL PANEL OR DRUM
CYO. SPECIAL LIGHTING UNIT (FLASHING ARROW)
r FLASHING WARNING LIGHT(OPTIONAL)
Mi WORK ZONE
0 SIGN