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<br />I\J <br />(J1 <br /> <br />~C/'J <br />)::.0 <br />I C <br />.... .., <br />, (") <br />to <br />)>:.:. <br />3 0 <br />CD :iE <br />_(f) III <br />-0 <br />o CD <br />:iE-o <br />III III <br />";::l. <br />03 <br />:iE (0 <br />III :J <br />- <br />00 <br />(0- <br />-o-l <br />III .., <br />;::l.1ll <br />3 ~ <br />(0-0 <br />:J 0 <br />-;::l. <br />o III <br />-- <br />-l6' <br />.., :J <br />~O <br />(f)- <br />-o::!'! <br />o () <br />;::l.(O <br />III 0 <br />.....- <br />6' 0 <br />:J (0 <br />O!!,!, <br />=1:(0 <br />-.:J <br />(), <br />(ON <br />00 <br />-0 <br />O~ <br /> <br />~'I~ <br />:J ~, <br />o <br />:::s <br />~ <br />S <br />..... <br /><D <br />(;J <br /><D <br />() <br />!::!" <br />0' <br />:::s <br />~ <br />(f) <br />Q <br />~ <br />2 <br />~ <br />:? <br />o <br />~ <br /><D <br />i(J) <br /> <br />I <br /> <br />-l <br />~ <br />::I <br />:; <br />lQ <br />~ <br />C <br />3 <br />11>. <br />S <br /> <br />Rural Two-Lane Highways <br /> <br />Rjght Tl,lr!"s <br /> <br />Exposure Index Factors <br /> <br />'" , thru <br />I -- roadway Left Turns <br />,. <br />..-' ( <br /> <br />Factors: <br />A = Approach Volume <br />B = Turning Volume <br />A - B = Thru Volume <br /> <br />Factors: <br />A = Approach Volume <br />B = Turning Volume <br />A - B = Thru Volume <br /> <br />'}------ <br />I A ,--~ B-, <br />. t I <br />! <br /> <br />----( <br />., <br /> <br />1000 <br /> <br />800 <br /> <br />600\ <br /> <br />left turn or major right turn warranted" <br /> <br />400 <br /> <br />minor <br />right turn <br />warranted <br /> <br />~ <br /> <br />200 <br /> <br />no auxiliary <br />lones warranted <br /> <br />I <br />o <br /> <br />1800. 2000 <br /> <br /> <br />800 <br /> <br />600 <br /> <br />1000 <br /> <br />1200 1400 1600 <br />Thru Volume' (A - B) <br /> <br />200 <br /> <br />400 <br /> <br />left turn or major right turn <br />critical exposure warrant <br /> <br />I <br />L---~ <br />': A--_B <br /> <br />2200 <br /> <br />__~_.______..~__.~__..__.______....J. <br />thru I <br />I -- roadway <br />1+:.1__ <br />, ~..( <br />,/ - - - -- "7 <br /> <br /> <br />2400 <br /> <br />2600 <br /> <br />" -- minor right turn critical exposure warrant <br /> <br />Traffic volume is based on current ADT for right turns, and design year ADT for left turns. <br /> <br />'Traffic volume must be odiusted for trucks based on Table 1. <br />"At grovel road intersections, use minor right turn. <br /> <br />:=a <br />c <br />... <br />Q) <br />- <br />~ <br />0 "T1 <br />. -. <br />..eg <br />Q) .., <br />(I) <br />::::s ~ <br />CD ~ <br />:I: N <br />-. <br />(Q <br />::T <br />~ <br />Q) <br />'< <br />(J) <br /> <br />2800 <br />