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road typedistance between signsurban (low speed) 25 mph or lessurban (high speed) more than 25 mph to 40 mphurban (high speed) more than 40 mphruralexpressway/freeway100 100250 250 250350 350 350100500 500 5001000 1500 2540minimum taper length***for width of offset 12 ft (w)speed**s(mph)bufferspace(ft)mergingl(ft)shiftingl/2(ft)shoulderl/3(ft)downstream(ft)****recommended advanced warning sign spacing* - distances shown in feet. the a dimension is thedistance from the transition orpoint of restriction to the first sign. the b dimension isthe distance betweenthe first and second signs.the c dimension is the distance between the second andthird signs.(the "first sign" is the sign in a three-sign series that isclosest to the ttc zone.the "third sign" is the sign that is furthest upstream fromthe ttc zone.)** - posted speed limit, off peak 85th-percentile speedprior to work starting,or the anticipated operating speed in mph.*** - for other offsets use the following merging taperlength formula for lfor speeds of 40 mph of less, l*ws/60for speeds of 45 mph or more, l*wswhere l = taper length in feet w = width of offset in feet s = posted speed limit, off peak 85th-percentile speed prior to work starting, or the anticipated operating speed in mph**** - maximum downstream taper length is 100 feet.abcMISCELLANEOUS DEVICESREGULATORY SIGNSC12(CA)NARROWLANERIGHT LANECLOSEDAHEADC20(RT)LANECLOSEDAHEADC20A(CENTER)CENTERLEFT LANECLOSEDAHEADC20A(LT)LEFTCENTERNO. OF LANESRIGHT LANECLOSEDAHEADC20 (CA)INTERCHANGEABLEWITH W20-5ORC24 (CA)SHOULDERWORKAHEADC27(CA)OPENTRENCHC30(CA)LANECLOSEDC30A(CA)SHOULDERCLOSEDC9A(CA)ROAD WORKENDG20-2DETOURM4-10LDETOURM4-10RDETOURM4-8ENDDETOURM4-8AC L O S E DR O A DR11-2R3-17BIKE LANEAHEADR3-17AENDSR3-17BR3-18R3-4R3-6TURN LEFTM U S TLEFT LANER3-7LTURN RIGHTM U S TRIGHT LANER3-7RNOTPASSDOR4-1BEGINRIGHT TURN LANEYIELD TO BIKESR4-4R4-7R4-7AKEEPRIGHTSIDEWALKR9-9CLOSEDUSE OTHER SIDESIDEWALK CLOSEDR9-10CROSS HERESIDEWALK CLOSEDR9-11AHEADW1-1W1-2W1-3W1-4W1-8TO STOPPREPAREDBEW3-4W4-1W4-2W5-1ROADNARROWSW6-3W6-4W8-3PAVEMENTENDSW8-4SOFTSHOULDERW8-7LOOSEGRAVELW8-8ROUGHROADW12-1XXMPHW13-1WORKROADAHEADW20-1W20-2DETOURAHEADW1-6(RT)CLOSEDROADAHEADW20-3ONE LANEROADAHEADW20-4W21-1AW21-2FRESHOILW21-3MACHINERYROADAHEADW21-5SHOULDERWORKW21-6SURVEYCREWW21-7UTILITYWORKAHEADR9-3AR5-6W1-6(LT)R1-1STOPWARNING SIGNSTOTHRU TRAFFICROAD CLOSEDR11-4ONLYR3-5RONLYR3-5LR3-2R3-1AHEADLOCAL TRAFFIC ONLYROAD CLOSEDR11-4(ALT)202530354045505560657065 45 50 1158065 45 50 15512590 60 50 200180125 85 50 250245160 110 50 305320270 180 50 360540300 200 50 425600330 220 50 495660360 240 50 570720390 260 50 645780420 280 50 730840OF 8JOB ID:DATE: 12/08/202170228-5290536CITY/STATE:MANTECA, CA 95336COMMUNICATIONSPM: TERRANCE LAURYPHONE: (714) 509-0068FTR ENGINEER:TOM PEARSON (805) 437-9351FTR INSPECTOR:THOMAS BOBIAN (209) 305-9077GENERAL NOTES1. NO CONSTRUCTION OR LANE CLOSURE ARE ALLOWED DURING PEAKHOURS(6:00 AM - 8:30 AM AND 3:30 PM - 6:30 PM) ON ALL NON LOCAL STREETS.2. CONTRACTOR IS REQUIRED TO PLACE "NO PARKING" SIGNS ALONG ALLPARKING SHOULDERS WHEN IN WORK AREA.3. TRAFFIC CONES SHALL NOT INTERFERE WITH EXISTING DRIVEWAYS, SCHOOLZONES, OR BUS STOPS.FACE OF CURBEDGE OF PAVEMENTLANE STRIPINGXXRIGHT OF WAYCENTERLINEFENCERAILROADTRAFFIC CONTROL LEGENDEX. CONDITIONS LINETYPESDESCRIPTIONWORK LOCATIONTRAFFIC CONEBARRICADEFLASHING ARROW SIGNDIRECTIONAL ARROWTRUCK LOCATIONFLAGGERSYMDRIVEWAYDWARNING/REGULATORY SIGN2TC-LD