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Page 1137 <br />California IbtUTCD 2014 Edition <br />(h'HWA's MUTCD 2009 Edition, including Revisions 1 & 2, as amended for use in California) <br />Table 6H-4(CA). Taper Length Criteria for Temporary Traffic Control Zones <br />(for 12 feet Offset Width) <br />` - Posted speed limit, off-peak 85'" -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 r, <br />Where: L = taper length in feet <br />W = width of offset in feet <br />S = posted speed limit, 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 />November7,2014 <br />Chapter 61-1 -Typical Applications <br />Pari 6 - Temporary Traffic Contror <br />