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California MU T CD 2014 Edition <br />(FHWA's MUTCD 2009 Edition, including Revisions 1 & 2, as amended for use in California) <br />Table Ski -3. Recommendeci Advance Warning Sign d timtimSpacintg <br />Road Type <br />A <br />Distance Between Signs" <br />B <br />40 mph or less <br />Urben+wmpeed►- 25 mph or less " <br />100 fee! <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 />Urban4W@44peM}-mole then 40 mph'" <br />350 feet <br />350 feet <br />350 reel <br />Rural <br />500 feet <br />500 feet <br />500 feet <br />Expressway I Freeway <br />1,000 feet <br />1.500 feet <br />2,040 feel <br />" The wm <br />lun headings A, Bnd , a"Care tl dimensiona shown in Figures GH -t through 61-646. The A <br />dimension Is the distance from the transition or point of restriction to tho 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 Met is closest to the TTC <br />zone. The "third sign" is the sign that is furthest upstream from the TTC zone.) <br />Posted speed link, off-peak 95th -percentile speed prior to work starting, or other anticipeled operating speed <br />in mph. <br />Table 61-1-4. Formulas for <br />Taper Length <br />Speed (8) Taper Length (L) In feet <br />W <br />40 mph or less <br />45 mph or more <br />L= WS <br />Where; L = taper length in feet <br />W =width of offset in feet <br />S = posted speed limit, or off-peak 85th -percentile <br />Tjspeed prior 10 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 />ti - <br />