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California MDTCD2Ol2Edition <br /> OFHWA»MITrCD20OyEdition,usamended for use iuCalifornia) Page 1136 <br /> -Table H'4 fo � <br /> Speed(S) Upeirl_efi th(L)In feet <br /> -4�rn nor rnor6 L. WS <br /> - T —7 !!t!] <br /> 'WhereL �_ <br /> W~ <br /> a ~ <br /> spg6'd0,rWl0vdrktta ling,WIN anlidp�fed <br /> Table Taper LengthCrdnria for Temporary Traffic Control Zones <br /> (for 13feet Offset Width) <br /> Minimum Taper Length" <br /> Speed* for Width of Offset 12 feet(W) <br /> S Merging Shifting Shoulder Down <br /> (mph) L L/2 U3 Stream <br /> 20 80 40 27 50 <br /> 25 125 63 42 50 <br /> 30 180 90 60 50 <br /> 35 245 123 82 50 <br /> 40 320 160 107 50 <br /> 50 600 300 0 <br /> 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 51 <br /> Posted speed limit,off-peak 85th-percentile speed prior to work <br /> n�oad�moh. starting, ' operating <br /> Forotheroffsets use the following merging taper length formula for L: <br /> For speeds of4Umph orless,L�-W82160 <br /> For speeds nf45mph ormore, L=VVS <br /> Where: L=taper length infeet <br /> YV=width ofoffset infeet <br /> G=posted speed limit,off-peak 851h-annmnU|espeed prior towork <br /> starting,nrthe anticipated operating speed inmph <br /> Maximum downstream taper length io1O0feet. See Section 8C.O8. <br /> Chapter 0B-Typical Applications l3 2012 <br /> Yu�6-Txopom�7�ffioCou�ol January— ^ <br /> Temporary Traffic Control(Parts 1 &0)Page 1O4o/32O <br />