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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 />Table6H-3.RecommendedAdvanceWarningSign~Spacing <br />Road Type Distance Between Signs- <br />A B C <br />i.t.~i~~~n_(!.is;/!,.~'~.6~,~f:-2S'iiipK or I~ssu •..1,00 feet "O{ffeet jlia reel <br />Urban-morethan25 mphto40 mph-250 feel 250feel 250reet <br />~rban(~igf;t~~i1Il~)-more ~han40 mph"••i350-feet .";~.~feel '350'reet.',. <br />Rural 500 reel ~OOfeel SOD feet <br />/~'!~"?~.S)'4IylFreeway ~iooilreel ..,..,);5QO feel 2,611ii\eel <br />•.tpond co,8 it be l'.CWippd tl 'ho h'gb"q'nBe'~' <br />••The column headings A,B.and C are the dimensions shown in Figures 6H.1 througtl 6H46."The A <br />dimension is the distance from the transition or point of reSlriction to the first.slgn.The B,dimension <br />Is the distance between the first and second signs.The C dimension is the distance "bel\'ieen the <br />second and third signs.(The "first sign"ls the sign in a (hree~sign se"ries.'[hafls.dosesl to the TIC <br />zone.The "thlrd sign"15the sign that is furthest upstream frofrrttie TTC zone.) <br />••.••Posted speed Iimi1;ciff-peal<85Ih:percent"e speed prior to wor!<starting,Of olher anticipated operating speed <br />inrnph. <br />iabie6H-4.Formulas for Determining Taper Length <br />Speed (S)Taper length (l)in feet <br />WS'40 mph.or.less L=--60 <br />45 mph or more L=WS <br />Where:L =laperlength inieelW"width of offset jn feetS=posted speed limit,or off-peak 85t11-percentlle'speed prior to work starling.or the anticipaledoperatingspeedinmph <br />" <br />Page 1136 <br />Chapter 6H -Typfcal Applicallons <br />Part 6 -Temporary Traffic Centrol <br />November 1,2014