Laserfiche WebLink
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 MhtimtwSpacing <br />Road Type <br />Taper Length. (L) in feet <br />distance Between Signs" <br />WS - <br />A 6 I <br />c <br />Urban+seepead}- 25 mph or less*** <br />too feel <br />100 feet <br />100 feet <br />Urban - more than 25 mph to 40 mph— <br />250 feet <br />250 feet <br />250 feet <br />Urban 4Mgh paW'+-more than 40 mph— <br />350 feet <br />350 feel <br />350 feet <br />Rural <br />500 reel <br />500 feet <br />500 feel <br />Expressway/Freeway <br />1,000 feet <br />1,500 feel <br />2,540 feet <br />The column headings A, B, and C are the dimensions. shown In Figures 6H-1 through 61-1-46. The A <br />dimension is the distance from the hansillon or point of restriction to the first sign. The B dimension <br />is the distance between 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 closest to the TTG <br />zone. The "third sign" is the sign that is furthest upstream from the TTC zone.) <br />Posted speed limit, off-peak 851h.percentile speed prior to work starting, or other anticipated operating speed <br />in mph. <br />Table 6H-4. Formulas for Determining Taper Length <br />Speed (S) <br />Taper Length. (L) in feet <br />WS - <br />40 mph or less <br />L= ---- <br />60 <br />45 mph or more <br />L= WS <br />Where; L = taper length In feet <br />W = Width of offset in feet <br />S = postepeed limit, or off-peak 85th -percentile <br />speeV,kir to work starting, or the anticipated <br />operating speed in mph <br />Page 1136 <br />Chapter 6H–Typical Applications November 7, 2014 <br />Part 6 –Temporary Traffic Control - <br />