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Califomia UUTCD 2014 Hdii Page 1146 <br />(THWA's MUTCD 1009 Pdition, inelud4Rcvisions 1 &2, as amendedfm use in Cahkio) <br />Table e4CA(. Taper Length Nests for Temporary Traffic Control Zones <br />(for 12 feet Offset Width( <br />Speed' <br />S <br />(mph( <br />Minimum Taper Lani <br />for Width of Offset UNet (W( <br />Merging <br />L <br />feat <br />Shifting <br />U2 <br />feat <br />Shoulder <br />U3 <br />feet <br />Down <br />Stream <br />ifeetrA <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 />36 <br />245 <br />123 <br />82 <br />60 <br />40 <br />320 <br />160 <br />107 <br />60 <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 />Ho <br />260 <br />50 <br />70 <br />840 <br />420 <br />280 <br />50 <br />75 <br />900 <br />450 <br />300 <br />50 <br />"- Posted speed limit, off-peak 95kpercentile speed prior to work stading, or the antloipated operating <br />speed in mph. <br />Porctlivoffsels use the lollowing merging laperiergth formula for L: <br />far speeds of 40 mph or less, L--WRO <br />For speeds d45 mph or more, AS <br />Where: L= leper length In feet <br />W - width of of fset is feet <br />8 -pasted speed limit, or -peak 85a•peroo1lespeed priortowork <br />starring, orthe anticipated operating speed in mph <br />*" •Maximum downstream leper length Is 100leat.See Section 6C,08, <br />Chapter 6H—Typical Applications Novemher1, 2014 <br />Pad 6—Temporary Tra& Control <br />