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\.9 '\...•.••..'V V V '1..,'1.-.'I:L'L'Ii..!V V 10\...'~l..'.'!l.,.!V q''a~'.•~.'I'l.'.,'.•...1tt'ff:' <br />TABLES AND REFERENCE INDEXES <br />It.'"'...•1'1....Q'?L'a.,'>l.'I'.l'~,I'L'IL'':t''1''3'Q.•'';I.'Q I 'lI''01';II. <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 />'Posted speed or fhe anticipated operating speed <br />in mph. <br />PosieD <br />SPEED'LENGTH <br />MPH in feet <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 />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 Feet Max <br />(Flagger)Tapers <br />Downstream Tapers:100 Feet Min <br />•(Use is optional) <br />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 OFTAPER IN FEET <br />W ~WIDTH OF OFFSET IN FEET <br />S ~SPEED IN MPH <br />1.. <br />PGEFM1A @ Copyright 2002 InCom.Inc.All rights reserved.NOTE:.Local regulations may vary,Page 26