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California MUTCD 2014 Edition(FHW A's MUTCD 2009 Edition,including Revisions 1 &2;as amended for use in Califomia) <br />Table 6H.3.Recommended Advance Warning Sign -Mtl'lil'l'llJl'I'I Spacing <br />Road Type Distance Between Signs~ <br />A B I c <br />.~r1?~!1.((e/'-.~'~.~~.~':"25',mp~or less."".100 feet fo'o feet 100 reet <br />Urban -more than 25 mph to 40 mph"";"250 feet 250 feet 250 feet <br />..9rban fJ1li,I:l"EifJBeeil-more ,than 40 mph ••.•..35[rfeet 3S11feet 350 "reet <br />Rural 500 feet ?OO feet 500 reet <br />'E~P"'SSWi'yJFieeway 1,nnilf;,et J.500feet 2,64ore;,t <br />•Spaad category 'p be 'fn'P'd90d hr'be b'gbl!!q'di@A~ <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 the transition or point of restriction to the first-sign.The B.dimensionisthedistancebetweenthefirstandsecondsigns.The C dimenSion is tl:ledistance bet••.•,ieen the <br />second and third signs.(The "first sign"is the sign in a three.sign st?'ries."(hafis.closest to the TIC <br />zone.The "'third sign"is the sign that is furthest upstream froi"the TTC zone.) <br />"...Posted speed limit;off-peak 85th~percentUe speed prior to work starting,or other anticipated operating speed <br />in mph. <br />Table6H~4.Formulas for Determining Taper Length <br />Speed(S)I Taper Length (L)in feet <br />WS'40 mph orless L=--50 <br />45 mph or more L=WS <br />WI,ere:L =taper length in feetW••width of offset in feetS=posted speed limit,or off-peak 85tI1-percentile.speed prior to work starting,or the anticipated <br />operating.speed in mph <br />Page 1136 <br />Chapter 5H -Typical Applications <br />Part 6 -Temporary Traffic Control <br />November 7,2014