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California MUTCD 2014 Edition Page 1136 <br />(FHWA's MUTCD 2009 Ediffon, including Revisions 1 & 2, as amended for use fn California) <br />`Fable ffl-1 Ret ern �pa�clee_[ ldclvanceUi3��rairls� i�rt '.�;�^s's„t a� p tciny <br />Pond Type <br />A <br />Distance Between Sign,” <br />fd I <br />l: <br />Uiban{hw+peed¢- 25 mph or leers"'• <br />100 feet <br />100 feet <br />100 feet <br />Urban -more Than 25 mph to AO mph"" <br />250 kat <br />250 feet <br />250 kat <br />Urban 0091,poyesd¢-more than 40 mpit'"' <br />350 feet <br />350 teal <br />350 feet <br />Rural <br />500 feel <br />500 feet <br />500 feet <br />Expressway / Freeway <br />1,Ooo feel <br />1,500 feel <br />2,640 feet <br />The column headings A, 8, -and C are the dimensions shmm in Figures O11-1 through W-46. The A <br />dimension is the distance from the transition or point of restriction to the first sign. The B dimension <br />is the distance betAeen the first and second signs. The C dimension is the distance between the <br />second and third signs. (The 'first sign" Is the sign in a three -sign series that Is close=st to the TTC <br />zone. The `third sign' is the sign that Is furthest upstream from the TTC zone.) <br />Posted speed limit, off -peek 65th-pereentle speed prior to rmrk starting, or other anticipated operating -speed <br />in mph. <br />itbhle 6H gid. Formulas for Deterrainir7JTaper Len di <br />eed (S) <br />Taper Length (L) in feet <br />tNSz <br />ph or tens <br />r4.O <br />L; — <br />i0 <br />ph or more I <br />L= WS <br />Where: L = laper length in feel <br />W = width of offset in feet <br />S <posted speed limit, or off-peak 05th -percentile <br />speed prior to work starting, or the anticipated <br />operating speed in mph <br />Chapter 6H - Typical Applications November 7, 2014 <br />Part 6 - Tenporaty Traffic Control <br />