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California MUTCD 2014 Edition Page 1136 <br />(FHWA's MUTCD 2009 hditiml, including Revisions 1 & 2, as amended for use in California) <br />Tcible (31-1-3. Rerotnlnencleel lath:-lnlseMimi IIg 19ign "Vin" Sl)ming <br />Road Type Distance Between Signe, <br />A pt C <br />Urnan•;'a„2gaod}- 25 mph or loss"" too het <br />100 feel <br />100 feet <br />Urban - more than 25 rnph to 40 mph”" 250 feet <br />250 feel <br />250 feet <br />Urban more than 40 mph" • 35o reel <br />350 feel <br />350 feel <br />Rural - 500 reel <br />500 feet <br />500 feet <br />G;puemYay/Freeway 1,000 feet <br />1,500 feel <br />2,640 feet <br />" The column headings A, B. and Care the dinonsions^shcalm in Figures 61-h1 through 611-46. The A <br />dimension is Ilse distance from the transilion or point of restriction to the first sign. The B dimension <br />Is the distance behveen the first and second signs, The C dimension is the distance behveen the <br />second and third signs. (The 'first sion" fs Ilia sign in a three -sign series Dial is closest to the TTC <br />zone, The "third sign' is the sign that is furthest upstrearn from the TTC zone.) <br />Posted speed limit, off-peak 85th-pcoce rile spend prior to vroik starting, of other anticipated operatieV speed <br />in mph. <br />1a le 66-4. FOrrfiulflg for Deiermining Taper Length <br />Speed (S) <br />Taper Length (L) in feet <br />40tnpllorless <br />WSz <br />L= — <br />60 <br />45 mph or more <br />L= WS <br />Where: L !aper length 01 feel <br />W = Width of offset in feet <br />S - posted speed limit, or off-peak 8511 -i -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 – Temporary Traffic Control <br />