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Calif ntla MUTCD 2014 Edition Page 1130 <br />(FHWA's MUTCD 2009 Edition, including Revisions 1 & 2, as amended for use fn California) <br />Table 61.1 ;. Recommended Advance Warning Sign MinirnimwSpacing <br />to <br />" The column headings A, H, and Cafe the dimensions shown in Figures BH -1 Oimugh eFi-4e. The A <br />dimension is tha distance from the transilton er point of restriction to the first sign. The B dimenslan <br />is the distance behaeen the first and second signs. The C dimension is the distance hetvaen the <br />second and third signs. (The'frsi sign" Is the sign in a three -sign series that is closest to the TTC <br />zone. The'd ird sign' Is the sign that is furthest upstream from ilia Ti C zone.) <br /><" Posted speed limit, off-peak 85th -percentile speed prior to work starting, of other anticipated operating speed <br />In mph. <br />Table 61-1-4. Formulas for Determining Taper Length <br />Speed (S) Taper Length (L) in feet <br />Ws= <br />40 inph or less <br />L= <br />80 <br />45 mph or more <br />L= WS <br />Where: L =taperlengthinfeel <br />W =width of offset in feet <br />r -S = posted speed limit, or off-peak 85th -percentile r� - <br />. speed prior to work starting, or the anguipated <br />operating speed in mph <br />Chapter 8H —Typical Applications November 7, 2014 <br />Part 6 —Temporary Traffic Control <br />