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\..'\.:v .....,v V 'llJ 1.;'1&...''L'V V V l..''1..'.u.-..tL'"-'lA..''l:'l/\1..'"LI ".''4,j '4.'li'I1j ;'l't.''~.Q...'~.<:.I...'Q'i.r 'i'Q.!~,,'~.I <br />I~.'~.'..a <br />..t{' <br />TABLES AND REFERENCE INDEXES <br />"ftr5. <br />TABLE 1.Guidelines for length <br />of longitudinal buffer space <br />TABLE 2. <br />Taper length criteria for temporary traffic control zones <br />TYPE OF TAPER TAPER LENGTH <br />Upstream Tapers: <br />•Merging Tapers L Minimum <br />•Shifting Tapers 1/2 L Minimum <br />•Shoulder Tapers 1/3 L Minimum <br />•Two-Way Traffic.100 Feel Max <br />(Flagger)Tapers <br />Downstream Tapers:100 Feet Min <br />•(Use is optional) <br />This table to be used for determining buffer space <br />lengths on all typical application diagrams. <br />SPEED'LENGTHMPHinfeet <br />20 35' <br />25 55' <br />30 85' <br />35 120' <br />.40 170' <br />45 220' <br />'50 280' <br />55 335' <br />60 415' <br />'Posted speed or the anticipated operating speed <br />in mph. <br />I Formula for Taper Length "L" <br />L ~w x S x S/60 FOR 40 MPH OR LESS <br />L ~w x S FOR 45 MPH OR MORE <br />l ~MINIMUM LENGTH OF TAPERIN FEET <br />W =WIDTH OF OFFSET IN FEET <br />S =SPEED IN MPH <br />,. <br />PGEFM1A @ Copyright 2002 InCom,Inc.All rights reserved.NOTE:Local regulations may vary.page 26