Laserfiche WebLink
Cali:fornlaiVIUTCD 2014 Edition <br />(FHWA's MUTCD 2G09 Edition, inclnding-lfovisions 1 & 2, as amended forusein Califomia) <br />Table 6H-4(CA). Taper Length Criteria for TemporafY Traffic Conlrol Zones · <br />(for 12 feet Offset \Nicllh) · <br />Minimum Ta1oer Length" <br />Stieed' for Width of Offset 12 feet (11\/) <br />s Merging Shifting Shoulder Down (mph) L U2 L/3 Stream <br />6'eet) (feet) (feet) (feet)''* <br />. 20 80 40 27 50 <br />25 -125 42 .50 63 <br />30 180 90 60 50 <br />35 245 123 82 50 <br />40 320 160 107 50 <br />· 45 540 270 180 50 <br />50 600 300 200 50 <br />55 . 660 330 220 50 <br />60 720 360 240 50 <br />65 . 780 390 260 50 <br />70 840 420 280 50 <br />75 900 450 300 50 <br />~. ':'{, <br />' -Posted speed limit, off-peal< 85th -percenlile 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=WS 2/60 <br />For speeds of 45 mph.or·more, L=INS <br />\Nhem: L = taper length in feet <br />W = width of offset in feet <br />S = posted speed limit, off-peal< 851h-percentile speed prior to worl< <br />starting, or the anticipated operating speed in mph <br />*'* -Maximum downstream taper length is ·100 feet. See Section 6G,08. <br />Page 1137 <br />Chapter 6H -Typical Applications <br />· Part 6 -Temporary Traffic Control <br />November 7, 2014