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•;j <br />Califomia MIJTCD 2014 Edition <br />(FHWA's MUTCD 2009 Edition,including Revisions 1 &2;as amended for USeill California) <br />Table 61-103.Recommended Advance Warning Sign Milliltll:lA1 Spacing <br />Road Type Distance Between Signs~ <br />A B I c <br />:ur~~_n{~~#;qp_ti~~~25"h'ip~or~l~ss"."\...100 reel 10o'reet ieioleel <br />Urban.more than 25 mph to 40 mph"'""'*"250 feet 250 feel 250 feet <br />.~rban.fkigl;t~~"~B&r).•'~ore .thEm40 mph••.•-,*fe~~:i.SOfeet gSO'fe;,1 <br />Rural 500reet ~OOfeel 500 feet <br />:'E>fp.r~s.S).~yl-Fr~way 1;QilOreel 1,soD feel -?,640fe~t - <br />~Spondp'on'!1:01b'ormip?d htrlho bOgb"?)'?Qaoq' <br />..•.•The column headings AT B,and C are the dimensions -shown in Figures 6H.1 through 6H-46.'The A <br />dimension is Ihe distance from the transition or point of restriction to the first.sign.The B.dimensionisthedistancebetweenthefirstandsecondsigns.The C dime!"'sio"nis t~e distance 'between the <br />second and third signs.(The ''first sign"is the sign in a three~sign sE!ries"lhafis'closest to the TIC <br />zone,The ~thlrdsign"isthe sign that is furthest upstream froillthe TIC zone," <br />,...••Posted speed limit;ciff.pealt 85th~percenlile speed prior to worl~starting,or other anticipated operating speed <br />in mph. <br />.Table6H04.Formulas for'Determining Taper Length <br />Speed(S)Taper Length (L)in feet <br />WS'40 mphorless L=--60 <br />45 mph or more L='iNs <br />I, <br />Where:L =taper length inieelW••width of offsel in feelS=posted spoed limit,or off-peak 85lh,percentiJespeedprior10workstarling,or ihe anticipatedoperalingspeedinmph <br />Page 1136 <br />Chapter 6H -Typical Applications <br />Part 6 -Temporary Traffic Control <br />November 7,2014