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California MUTCD 2014 Edition Page 1136 <br />(FHWA's MUTCD 2069 Edition, including Revisions I & 2, as amended for use in California) <br />Table Gil -3: Recommended Advance Warning Sign Main%w&Spacing <br />P.oad Type <br />A. <br />Distance Between Signs <br />B <br />C <br />Urban+ wepesli}- 25 Mphor less'"* <br />100 feet <br />100 feet <br />sQ <br />100 at <br />Urban - more than 25 mph to 40 mph"° <br />250 feet <br />250 feet <br />250 feet <br />Urban lk*O*pesdl -more than 40 mph" <br />350 feet <br />350 feel <br />350 feet <br />Rural <br />500 feet <br />500 feet <br />500 feet <br />Expressway r Freeway <br />1,000 feet <br />1,500 feel <br />2,640 feet <br />" The column headings A, B, and C are the dimensions shown in Figures 61-1-1 through 6H46_ 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. (ilfe'first sign'is the sign in a three -sign series that is closest to the TTG <br />zone- The "third sign" is the sign Oral is furthest upstream from the TTG zone.) <br />Pasted speed Grail, off-peak 85th -percentile speed prior to work sterling, of other anticipated operating speed <br />in mph - <br />Table 61i-4; Formulas for aefertnining Taper Length <br />Speed (S) <br />Taper Length (L) in feet <br />WSe <br />40 Mph or 10,96 <br />L= <br />sQ <br />45 mph or more <br />L= WS <br />Where: L = taper length In feet <br />W =width of offset in feel <br />5 = poste$peed limit, or oft -peak 85th-pereentile <br />spent Vier to work starting, or the anticipated <br />operating speed in mph <br />Chapter 6H -Typical Applications November 7, 2014 <br />Pall 6 - Temporary Traffic Control <br />