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California MUTCD 2014 Edition Page 1130 <br />(FHWA's MUTCD 2009 Edition, Including Revisions I ire 2, as amended for use in California) <br />Table del -3. Ree-onrimevided Advance Wavir iltg <br />RoadType <br />9lstence eetween signs"' <br />A B <br />G <br />26 mph or IaWl, <br />f W feet 100 feet <br />100 feet <br />Urban - more than 25 mph to 40 mph"` <br />250 feet 250 feel <br />250 feel <br />Urbanthan 40 mph' <br />_ <br />350 feel 350 reel <br />350 tees <br />Rural <br />500 feet 500 feet <br />500 reel <br />Exposscay I Freeway <br />1,000 feet 1,500 feet <br />2,640 feet <br />" The column headings A, B, and Care the (dimensions shovm in Figures 61-1.1 through 61-1-46. The A <br />dimension is tine distance from the transition or point of restriction to the first sign. The B dimension <br />is the distance betvleen 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 closest to the TTC <br />zone. The "third sign' is the sign that is furthest upstream from the TfC zone.) <br />"' Posted Speed limit, off -peek 05th-percenlike speed prior to work starting, or other anticipated operating speed <br />in mph. <br />table 6H-4. Formulas for rDe#err lydrigraper Length <br />Speed (S) <br />Taper Length (L) in feet <br />WS2 <br />40 mph or less <br />L= — <br />60 <br />45niphormore <br />L= WS <br />Where: L = toper length in feet <br />W =width of offset in feet <br />5 = posted speed limit, or off-peak Ellypercentlle <br />speed prior to work starting, or the anticipated <br />operating speed In mph <br />Chapter 0H—Typical Applications November 7, 2014 <br />Part 6 — Temporary Traffic Control <br />