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California MU T CD 2014 Edition Page 1136 <br />(FHWA's MUTCD 2000 Edition, including Revisions 1 & 2, as amended for use in California) <br />Table GH -3. Recommended Advance Warning Sign MiniwtmrA Spacing <br />•' The column headings A, B, and Care the dimensions sham in Figures 6H•1 through 6F146. The A <br />dimension is the distance from Ilia transition 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 dosest to the TTC <br />zone. The Whird sign' is the sign that Is furthest upstream from the TTC zone.) <br />Posted speed limit, off-peak 85th -percentile speed prior to vrork 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 />W62 <br />40 mph or less <br />L= <br />60 <br />45 mph or more <br />L= WS <br />Where: L = taper length In feel <br />W = width of offset In feet <br />5 = posted speed limit, or off-peak 85th -percentile <br />speed prior to work starling, or the anticipated <br />operating speed in mph <br />Chapter 6H —Typical Applications <br />Part 6 — Temporary Traffic Control <br />November 7, 2014 <br />