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CaliforniaMOTCD 2014 Edition Page 1146 <br />TEIWA's MUTCD 2009 Pd Nan, in IudiogRa ens 1 &2, as amended for use in California) <br />Takla 61,14(CA), Taper Length Criteria for Temporary Traffic Control Zones <br />(for 12 feet Vast Width) <br />Speed" <br />S <br />(mph) <br />Minimum Taper length" <br />for Width of Offset 12 feet M) <br />Merging <br />L <br />feoti <br />Shihing <br />LI2 <br />Iflallfeet <br />Shoulder <br />LI3 <br />Down <br />Stream <br />feet <br />20 <br />80 <br />40 <br />27 <br />50 <br />25 <br />125 <br />63 <br />42 <br />50 <br />30 <br />180 <br />90 <br />60 <br />50 <br />35 <br />245 <br />123 <br />02 <br />50 <br />40 <br />320 <br />180 <br />107 <br />50 <br />45 <br />540 <br />270 <br />180 <br />50 <br />50 <br />000 <br />300 <br />200 <br />50 <br />65 <br />660 <br />330 <br />220 <br />50 <br />60 <br />720 <br />360 <br />240 <br />50 <br />65 <br />700 <br />390 <br />260 <br />50 <br />79 <br />s4a429 <br />zoo <br />51 <br />75 <br />F 900 <br />450 <br />300 <br />50 <br />"- Posted speed limit, off-peak Expercentile speed prior to work stam'rg,orthe anticipated operagng <br />speed In mph, <br />For other ofissls use to foll*g merging taper length formula for L, <br />For speeds of 40 mph or less, L=WSf160 <br />For speeds of 45 mph or more, L=WS <br />Where: L=lapsrlengihInfeel <br />W- Am ofofiselinfeet <br />S = posted speed Ilmi I, off. peak 85w percentile speed prior to work <br />sfarling,orthe anflcipated op erad ig speed Ir mph <br />"'• Maximum dawnsfreamtaper length is 100 sat. See Section 6C,08 <br />Chapter 6H—Typical Applications November 7, 2014 <br />part 6—Temporary Tmftic Conhal <br />