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Califoiiva MUTCD 2014 Edition Page 1137 <br />(FHWA,s MUTCD 2009 Edition, including Revisions 1 & 2, as amended for use in CA!fomia) <br />j, <br />Tablle 6f 4(CA), Taper l_etgftf C 9eala for Temporary Traffic Control Zones <br />(for 12 f Offset Widf4o) <br />Stud:: <br />S <br />NO) <br />Mrrinam Taiper Length'" . <br />6®rd0i of ERfset 12 feet lW) <br />erg <br />L <br />Shifting <br />L12 <br />Shoulder <br />L/3 <br />. Down <br />Stream <br />20 <br />80 <br />40 <br />27 <br />50 <br />25 <br />125 <br />63 <br />42 <br />50 <br />30 <br />180 <br />90 <br />60 <br />50 <br />35 <br />245 <br />123 <br />82 <br />50 <br />40 <br />320 <br />160 <br />107 <br />50 <br />45 <br />540 <br />270 <br />180 <br />50 <br />50 <br />600 <br />300 <br />200 <br />50 <br />55 <br />660 <br />330 <br />220 <br />50 <br />60 <br />720 <br />360 <br />240 <br />50 <br />65 <br />780 <br />390 <br />260 <br />50 <br />70 <br />840 <br />420 <br />28 ` <br />50 <br />75 <br />900 <br />450 <br />300 <br />50 <br />" - Posted speed IML T-peak 85h -percentile speed prior to work starting, or the anticipated operating <br />speed in mph. <br />fj <br />" - For other offsets use the following merging taper length formula for L: <br />For speeds of 40 mph or less, L=WS2160 <br />For speeds of 45 mph or more, L=WS r <br />Where: L = taper length In feet <br />W = width of offset in feet <br />S = posted speed tim0, off-peak 85'h -percentile speed prior to work <br />starting, or the anticipated operating speed in mph <br />"` - Maximum downstream taper length is 100 feet. See Section 6C.08. <br />Chapter 6H-1ypicalAppltcations <br />Part 6 — TemporaryTraffic Control <br />I <br />November 7, 2014 <br />e: <br />