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California MUTCD 2014 Edition Page 1136 <br />(nf WA's MUTCD 2009 Edition, including Revisions 1 & 2, as amended for use in California) <br />Table GH -3. Recommended Advance Warning Sign MinihinuirASpacing <br />Road Type <br />Distance Between Signs" <br />A B <br />Urbanpeed}- 25 mph or less'" <br />100 feet <br />100 feel <br />1001110 1 <br />Urban - more than 25 mph to 40 mph` <br />250 feet <br />250 feel <br />250 feet <br />Urban 1Ni51wpwif-more than 40 mph"' <br />350 feel <br />350 feet <br />350 feet <br />Rural <br />500 feet <br />500 feet <br />500 feet <br />Expressway/ Freeway <br />1,000 feet <br />1,500 fest <br />2,640 feel <br />" The column headings A, 8, and C are Iha dimensions shown in Figures 611.1 through 61-1-40. The A <br />dimension Is the distance from the transition or point of restriction to the first sign. The 8 dimension <br />is the distance between the first and second signs. The C dimension is the distance between the <br />second and third signs. (Tho "fust sign" Is the sign In a three -sign series that is closest to the TTG <br />zone. The "third sign" is the sign that is furthest upstream from the TTC zone.) <br />Posted speed limit. off-peak 65th-pefeenfle speed prior to work starting, or other anticipated operating speed <br />in mph. <br />Table 61-1-4. Forplas for Determining Taper Length <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 />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 />V- <br />_Ok <br />