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,,California MlJ.i'CD 2014 Ediiion(FHWA's MUTCD 2009 Edition,including Revisions 1 &2;as amended for use in California) <br />Road Type Distance Between Sigr,s" <br />A B C <br />'Ufbi,n<j.i.!'~,~!l¥,25'mpfi or les5h.,\.00reel l00leel lOa feel <br />Urban-more than 25 mph to 40 mph••••.250 feet 250 feet 250 reet <br />.~Urbc:n~~.more than40mph"~',aSOfeel ',,3,50feel '35ii:r~ei.., <br />Rural 500 feet ~OOfeet 500feel <br />,'Exli",sS)'I?\'"l"Freeway i,llOOreet ,",~Qlifeel 2,640'feel <br />.•.£r-"'-:--'«-<'''?'C:1Ji'~~".l,,!j!ttl'i<'?..t.ht''"I';-HtsRt:~ <br />••The column headings A,B.and C are the dimensions shown in Figures 6H.1 througt16H46 ..The A <br />dimension is the distance from the transition or point of restriction It:!the frrsl.~lgn.The 8.dimension <br />is the distance bet\\-een the first and second signs.The C dimersio~is t~e distance belv.ieen the <br />second and third signs.(The "first sign"is the sign in a three-sign ssries'lhafls dosesl to the TTC <br />zone.The "third sign"is the sign that is furthest ups1ream froirrthe nC zone.) <br />••••Posted speed limil;ciff.peak 85Ih:~ercent~e speed prior to work starting.or other anticipated operating speed~-.. <br />iable6H4.F.ormulas 'for Determining Taper Length <br />Speed (S)Taper Length (L)in feet <br />WS'40 mphor.less L=--60 <br />45 mph or more L=WS <br />Whe",:L =taperlength infeelW"width of offset.ln feelS=posted speed limit,or off-peak 85th,percentilespeedpriortoworkslarting,or Ihe antiCipatedoperatingspeedinmph <br />" <br />Page 1136 <br />Chapter 6H -Typical AppllcatlonsPart6-Temporary Traffic Control <br />Novemher 7,2014