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California MTJTCD 2012 Edition Page 1136 <br /> (FIiWA's MUTCD 2009 Edition,as amended for use in California) <br /> TablePA-4. o��ri�ulas ecri b ce�`dmi�iiifg. pei-�L�gii <br /> spegd(s) Taper Length(L)in feet <br /> 1u5' <br /> �it,nrt�fiorress R- , 60 <br /> -45}nplurpio(4 L. V(s' <br /> Where:L =faperlepglf in feel <br /> W=Widih of off&h reel <br /> S t Fps"t'sd,'s�eed fiini6.4rof1-peak 851h-percenlire <br /> sper;�pfio�(o work slarting,of the anlicipaled <br /> upetdlirig�pee�iti mpli <br /> Table 6H-4(CA),Taper Length Criteria for Temporary Traffic Control Zones <br /> (for 12 feet Offset Width) <br /> Minimum Paper Length" <br /> Speed* for Width of Offset 12 feet(W) <br /> S Merging Shifting Shoulder Down <br /> (mph) L L12 L/3 Stream <br /> feet feet feet (feet)*** <br /> M <br /> 80 40 27 50 <br /> 125 63 42 50 <br /> 180 90 60 50 <br /> 245 123 82 50 <br /> 320 160. 107 50 <br /> F <br /> 540 • 270 180 _ 50 <br /> 600 300 200 50 <br /> 660 330 220 50 <br /> 720 360 240 50 <br /> 780 390 .260 50 <br /> 840 420 280 50 <br /> *-Posted speed limit,off-peak 85th-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 <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 January 13,2012 <br /> Part 6—Temporary Traffic Control <br /> Temporary Traffic Control(Parts 1&6)Page 194 of 320 <br />