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Page 1137 <br />California MUTCD 2014 Edition <br />California <br />(EHWA's MUTCD 2009 Edition, including Zevisions 1 & 2, as amended for use in <br />na for Temporary Traffic Control Zones <br />Table 61-14(CA). Taper Length <br />(for 12 feet Offset Width) <br />* - Posted speed limit, off-peak 851h -percentile speed prior to work starting, or the anticipated operating <br />speed in mph. <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 w - <br />Where: L = taper length in feet <br />W= Width of offset in feet <br />S = posted speed limit, off-peak 85th -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 - Typical Applications November 7, 2014 <br />Part 6 - Temporary Traffic Control <br />Minimum Taper Lengrn <br />for Width of Offset 12 feet <br />Speed* <br />-- <br />Shifting Shoulder <br />Down <br />S <br />Merging <br />LIZ U3 <br />Stream <br />(mph) <br />L <br />(feet) <br />(feet)*"" <br />(feet) <br />(feet) <br />50 <br />20 <br />80 <br />27 <br />603 42 <br />50 <br />25 <br />125 <br />60 <br />50 <br />30 <br />180 <br />90 <br />82 <br />82 <br />50 <br />35 <br />245 <br />107 <br />50 <br />40 <br />320 <br />160 <br />180 <br />50 <br />45 <br />540 <br />270 <br />300 200 <br />50 <br />50 <br />6 <br />330 220 <br />50 <br />55 <br />b60 0 <br />360 240 <br />50 <br />60 <br />720 <br />390 260 <br />50 <br />65 <br />780 <br />420 280` <br />50 <br />70 <br />840 <br />450 300 <br />50 <br />75 <br />900 <br />* - Posted speed limit, off-peak 851h -percentile speed prior to work starting, or the anticipated operating <br />speed in mph. <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 w - <br />Where: L = taper length in feet <br />W= Width of offset in feet <br />S = posted speed limit, off-peak 85th -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 - Typical Applications November 7, 2014 <br />Part 6 - Temporary Traffic Control <br />