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\..'t\..'V 'V 'ILl V ~,:L'1l...'~.'V tV iLl \\..''"!..!.~.•'1.,..'"i.'IL'!4.~'..••.•'tl..''lJ 'I.'\lj \4.'~.\';U t,.'11'\2'14...'~r ~_,'Ii.r •••.''I'1'4,.'q.'f;i I •..~.it ,.~.•.•. <br />,(t''tt, <br />TABLES AND REFERENCE INDEXES <br />TABLE 1.Guidelines for length <br />of longitudinal buffer space <br />TABLE 2. <br />Taper length criteria for temporary traffic control zones <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 />TYPE OF TAPER TAPER LENGTH <br />Upstream Tapers: <br />•Merging Tapers LMinimum <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 Feel Min <br />•(Use is optional) <br />Formula for Taper Length '''L'' <br />L =W x S x SI60 FOR 40 MPH OR LESS <br />L =W x S FOR 45 MPH OR MORE <br />L •MINIMUM LENGTH OF TAPER IN 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