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California MUPCD 2014 Edition Page 1136 <br />(E14✓A's Ivti M 2009 Edition, including Revisions 1 & 2, as amended for use in California) <br />Table GH -3. Recommended Advance Warning Sign Miniiimm Spacing <br />Roatl Type <br />A <br />Distance Between Signs- <br />B <br />c <br />Urbandsweei 25 mph or Iski <br />1001eat <br />1001881 <br />100reet <br />Urban - more than 25 mph to 40 mph-" <br />250 reel <br />250 reel <br />250 Net <br />urban Owleliesel more than 40 mph— <br />350 Net <br />350 Net <br />350 Net <br />R.ml <br />firm feet <br />Sian@et <br />firm feet <br />Exprasswsy/ Freeway <br />1,000 Net <br />1,500 Neu <br />2,840fiet <br />The column heyta <br />•' The column M1hedngs A. t and h are the dimensions shown In Figures 6H-1 through BH46. dim The n <br />dimension is distance bdistance,ttfrom the transition or paint of restriction io the first stn. The a dimension <br />ismimbehveen the and and second signs. The Ctlimension is the distance between the <br />rand antl third signs (Theig n t alto" is Ne sign in a m "isign series Nat.) GoseG N the TTG <br />zone. The "thiN sign" is Ne sign that is PoMest upstream /fora NeTTC zone.) <br />••• Posted speed limit, off peak 85Mpercentilespeed prior to work starting, or other anticipated operating speed <br />in mph. <br />Table 61-1-4. Formulas for Determining Taper Length <br />Speed (S) <br />Taper Length (L) in feet <br />Was <br />40 mph or less <br />L= <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 ofl-peak 85th -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 />