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620-2 <br />60'X 24" <br />STREET CLOSED <br />JZ/t-4o TO <br />&0"x36 THRU TRAFFIC <br />LOCAL TRAFFIC ONLY <br />M4-IOR <br />30'X24" <br />u- I I <br />W mm m <br />(D p 0m Ll <br />crWW W <br />Q Z Y Z Y <br />U � W q W <br />Z0x:000 <br />M4 -IOL <br />30,r 24 " <br />M4 -9R <br />30 "x.30" <br />DETOUR <br />--10 <br />TYPICAL DETOUR SIGNING LAYOUT <br />HOURS OF OPERATION <br />9:00 PM TO 5:30 AM <br />PROPOSED BIKEWAY OVER ROUTE 128 <br />°2o-/ <br />3"x 49" <br />'/3 -I <br />I "X 24" <br />LOCATION <br />GRANT AVENUE <br />BEDFORD- LEXINGTON -ARLINGTON <br />MINUTEMAN BIKEWAY <br />PUB. RD. <br />TRAFFIC <br />STATE <br />FED. AID PROJ.NO. FISCAL <br />SNEET <br />TOTAL <br />W/-4' <br />YEAR <br />N0. <br />SHEETS <br />3ai 3G" <br />19 <br />147 <br />s <br />19-1- <br />Q <br />TYPE= BARRICADE <br />YTYPE <br />III BARRICADE <br />Z <br />co <br />50 MIN. <br />W <br />Q <br />ROAD <br />UNDER <br />DO NOT <br />. <br />CONSTRUCTION <br />ENTER <br />¢8x48 <br />ilmom NOOSE mas4--w--ONEWAY <br />■ ■o <br />N <br />RS -1 <br />F. <br />DETOUR M4 -4L <br />l <br />30X"30" <br />— <br />-- <br />co <br />— — — <br />U <br />Ir ONEWAY <br />DETOUR <br />2G -1L (PC3SJ <br />4,14 - /OG. <br />3O x 2411 <br />LOCATION <br />GRANT AVENUE <br />BEDFORD- LEXINGTON -ARLINGTON <br />MINUTEMAN BIKEWAY <br />PUB. RD. <br />TRAFFIC <br />STATE <br />FED. AID PROJ.NO. FISCAL <br />SNEET <br />TOTAL <br />DIVNO. <br />YEAR <br />N0. <br />SHEETS <br />MASS. <br />19 <br />147 <br />s <br />19-1- <br />TRAFFIC CONTROL PLAN <br />NOTES: <br />I. TAPER FORMULA: <br />L = S X•W FOR SPEEDS OF 45 OR MORE. <br />L= 602 <br />FOR SPEEDS OF 40 OR LESS. <br />WHERE: <br />L= MINIMUM LENGTH OF TAPER <br />S= NUMERICAL VALUE OF POSTED SPEED <br />LIMIT PRIOR TO WORK OR 85TH <br />PERCENTILE SPEED. <br />W=WIDTH OF OFFSET. <br />2.THE MAXIMUM SPACING BETWEEN <br />CHANNELIZING DEVICES IN A TAPER SHOULD <br />BE APPROXIMATELY EQUAL IN FEET TO THE <br />SPEED LIMIT. <br />NT MARKINGS NO LONGER APPLI <br />WHICH REATE CONFUSIOgBoWoTffil <br />MINDS OF D OREO4-; <br />_ALPA OONAS <br />LL BE <br />PRACTILA <br />REMOVED ALL <br />A4B <br />4. WARNING LIGHTS, TYPE C, SHOULD BE USED TO MARK <br />CHANNELIZING DEVICES AT NIGHT AS NEEDED. <br />5. FLASHING WARNING LIGHTS AND/OR FLAGS <br />MAY BE USED TO CALL ATTENTION TO THE <br />EARLY WARNING SIGNS. <br />6. A MIRROR IMAGE OF THE LAYOUT WILL BE USED <br />FOR CONSTRUCTION ON THE LEFT OF THE <br />TRAVELED WAY. THE SAME LAYOUT APPLIES <br />ON THE OPPOSITE TRAVEL WAY OF ROUTE 128. <br />7. WHEN WORKING OVER THE MEDIAN AREA <br />CONTROLLING BOTH APPROACHES CAN BE APPLIED. <br />8. ALL DISTANCES MAY BE ADJUSTED SLIGHTLY <br />TO FIT FIELD CONDITIONS. <br />9. A MINIMUM OF SIX CHANNELIZING DEVICES <br />SHALL BE USED FOR THE TAPER. <br />10. ALL FLAGGERS MUST BE IN COMMUNICATION <br />WITH EACH OTHER. <br />11. EACH FLAGGER SHOULD BE CLEARLY VISIBLE TO <br />THE TRAFFIC WHICH IS BEING CONTROLLED FOR A <br />MINIMUM DISTANCE OF A(SEE TABLE -3 ON PREVIOUS SHEE <br />12. WHEN POSTED,ADVISORY SPEEDS SHOULD COMPLY <br />WITH TABLE I.(ON PREVIOUS SHEET) <br />I3.DURING HOURS OF DARKNESS,ALL SIGNS SHALL BE <br />REFLECTORIZED OR ILLUMINATED, EACH FLAGGER <br />SHALL WEAR A REFLECTORIZED OUTER GARMENT, <br />AND EACH FLAGGER STATION SHALL BE ILLUMINATED. <br />14. DURING OFF HOURS OF CONSTRUCTION, THE WARNING <br />SIGNS SHALL BE COVERED BY CLOTH, TO PREVENT <br />CONFUSION TO MOTORIST. <br />KEY <br />0 CHANNELIZATION DEVICES -CONE, <br />VERTICAL PANEL OR DRUM <br />CYO. SPECIAL LIGHTING UNIT (FLASHING ARROW) <br />r FLASHING WARNING LIGHT(OPTIONAL) <br />Mi WORK ZONE <br />0 SIGN <br />