Laserfiche WebLink
California MITI CD 2014 Edilion <br />(FHWA's MUTCD 2009 Edition, including Revisions 1 & 2, as amended for use in California) <br />Table 6H-3. Recommended Advance Warning Sign Minin+t+ Spacing <br />Road Type <br />Distance Between Signs" <br />40 Mph or less <br />A B <br />G <br />Urban�rewepeed}- 25 mph or less"' <br />100 feet <br />700 feet <br />100 feel <br />Urban - more than 25 mph to 40 mph*** <br />250 feet <br />250 feel <br />250 feet <br />Urbanpig44poai►-more than 40 mph"' <br />350 feet <br />350 feet <br />350 feet <br />Rural <br />500 feel <br />500 feet <br />500 feet <br />Expressway/Freeway <br />1,000 feet <br />1,500 feet <br />2,640 feet <br />The column headings A, 8, and C are the dimensions shown in Figures 61-1-1 through OFI46. The A <br />dimension is the distance from the transition or Point of restriction to the first sign- The 6 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 TTC <br />zone. The "third sign" is the sign that is furthest upstream from the TTC zone.) <br />Posted speed limit, off-peak 85th -percentile speed prior to work starting, or other anticipated operating speed <br />in mph. <br />Table 6H-4, Formulas for Determinjng Taper Length <br />Speed (S) TaperLength (L)infeet <br />ws2 <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 />5 = posted speed limit, or off-peak 85th-percentile <br />speed: prior 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 />