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, <br />California MUTCD 2014 Edition(FHWA's MUTeD 2009 Edition.Including Revisions 1 &2;as amended for use In California) <br />Table 6H-3.Recommended Advance Warning Sign MffiiR'lllfll,Spacing <br />,Page 1136 <br />Road Type Distance Between Signs- <br />A B C <br />'4~~n ~it!.i;t4Jl:-~5.itipt1orless•.••.1.00feet "iOO:re~1 10'0 (eel <br />Urban.more than 25 mph to 40 mph-250 feel 250 feet 250 reet <br />,"9rti3';(~i9~'6~BB~)•more .than 40 mph .•••,350 reel ~~5~feet -'350 "reet <br />Rural 500 (eet !?oo feel 500 feel <br />.'E~P1l!~,~WflFreeway '1;000 reel ,1',500 feel 2,G.iO feet <br />•.SpMOMcSa=&'he d"'mmj cd tldtsb"SN'q ?!iilccs!,••The column headings A,B.and C are the dimensions shown In Figures 6H-1 througll 6H-46 ..The A <br />dimension is the distance from the transition or poinl of restriction tc!the first~lgn.The B.dimensionisthedistancebetweenthefirstandsecondsigns.The C dimension is the distance "between thesecondaridthirdsigns.(The '"first sign"is the sign in a three-sIgn sei'ies'thafis"closest 10the r:TCzone.The "third sign~is 1hesign that is furthesl upstream from'the nC zane.) <br />•••Posted speed limit;6ffiJeak 85th:percentne speed prior to work slarting,.or other anticipated operating speed <br />inm"ph. <br />Table6H-4.Formulas for Determining Taper Length <br />Speed(S)Taper Length (L)in feet <br />WS'40 illph.or.less L=--60 <br />45 mph or more L=Ws <br />Where:L =laper lenglh infeelW"width of offset In feelS=posted speed limit,or all-peak 65th-percentilespeedpriortoworkstarling.or the antiCipaledoperating,"Peed in mph <br />.' <br />Chapler 6H -Typtcal Appl!catlons <br />Part 6 -Temporary Traffic Control <br />November 7.2014