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Ca\lXol'tdaMUTCD 2(il~EditionO'HWA's MUTCD 2009 Edition,including Revisions 1 &2;as ame'lded for use in California) <br />Road Type Distance Between SignsM <br />A B C <br />'Uib~n1~~Isoi~~.25i1ij'i1\"I less'"',100'feet 100 ,fOet'ida feet <br />Urban -more than 25 mph to 40 mphM;O'250 feet 250 feet 250 feet <br />_9rbE!nN~.morethan40mph""~3j;Ofeel ,.?~9fe~t :350-reet <br />Rural 500 feet ?OO feet 500 feet <br />:-"E:)fp~s~y,J"F're~way ..1;000 fOet .1:Sql;)feet 2,640 reet <br />•.t'ir=>od*~:.t"'~-~~~S5;~"'."'~~'~£~'1'p€~ <br />••.The column headings At B.and C are the -dimensions shown in Figures 6H-1 through 6H.-46.The A <br />dimension is the distance'from tile transition or point of restriction to the first.sign.The S,dimensionisthedistancebetweenthefi(st and second signs.The C dimension is the distance bel ••••'een the <br />second and third signs.{The ''first sign"Is the sign in a three-sign series.(hans closest to the TIC <br />zone.The "third sign"is 1he sign that is furthest ups1ream from-the nc zone:) <br />*"b Posted speed limit;ciff.peak 85th~petcenlile speed prior to work starting.or other anticipated operating speed <br />in mph. <br />Table6H~4.Formulas for Determining Taper length <br />Speed ($)Taper length (l)infeet <br />WS'40 inph or.less L=--60 <br />45 mph or more L=WS <br />Where:L =taper length in jeelW'"width of offsel jn feetS=posted speed limit,or oll.peak 85th-percentilespeedpriortoworkstarting,or the anticipated <br />operating.speed in mph <br />" <br />Page 1136 <br />Chapter 6II -Typical Applications <br />Part 6 -Temporary Traffic Control <br />November 7,2014