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California MUTCD 2014 Edition <br />(FHWA's MUTCD 2009 Edition,including Revisions 1 &2,as amended for use in California) <br />Table GH-3.Recommended Advance Warning Sign Mini!l'ltlfl'l Spacing <br />Road Type Distance Between SiQns~ <br />A B C <br />:~iJ?~n-.ni!/L~~.~~t'~25 nlph or lessu •. <br />......ida/eel-100ie~t 10'0 feet <br />Urban.more than 25 mph to 40 mphHk 250 feet 250 feel 250 feet <br />~rban (higl:1"sf3eeel)-more .than 40 mph~"'.:.350 feel 3-~Ofeet .'350'reet <br />Rural .SOD feet ?OOfeet SOOfeet <br />.TiY,pr'!'",~'l1FreeWay'MOOlaet r.sOOfeel '2,640 feet <br />•Spgod ca.cgar!l IS t?dhtcrrioar'hr 1M t'igbl'q'agarS) <br />.•.•The column headings A,B.and Care lhedimensions-shovm in Figures 6H.1 through 6H.-46 •.The A <br />dimension is the distance from the tmnsaion or point of restriction to the first,sign.The S.dimension <br />is the distance between the fitst and second signs.The C dimenSion is ttle distance between the <br />second and third signs.(The ''firslsign''is the sign in a three~sign series''(hans closest to the TIC <br />zone.The "third sign"is the sign that is furthest upstream frorrrthe TIC zone:) <br />••.••Posted speed limit;ciff.peak 85th~percentifespeed prior to work starting,.orother anticipated operating speed <br />in mph. <br />.Table6H-4.Formulas for Determining Taper Length <br />Speed ($)Taper length (l)in feet <br />WS'40 tnpl1or.less L~--60 <br />45 mph or more L~WS <br />Where:L =taper length in feel <br />W '"width of offset.in feetS~posted speed limit,or off-peak 85til-percentilespeedprior.to work starting,or the.anlicipaled <br />operating.speed in mph <br />Page 1136 <br />Chapter 8H -Typical Applications <br />Part 6 -Temp0ralY Traffic Control <br />Novemher 7,2014