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Figure 2 - 5. Guideline for determining the need for a major-road left-turn bay at a two-way stop-controlled intersection. <br />2-lane roadway (English) <br />INPUT <br />Value <br />45 <br />30% <br />508 <br />240 <br />OUTPUT <br />Value <br />268 <br />CALIBRATION CONSTANTS <br />Value <br />3.0 <br />5.0 <br />1.9 <br />Advancing volume (VA), veh/h: <br />Opposing volume (VO), veh/h: <br />Variable <br />Variable <br />Variable <br />85th percentile speed, mph: <br />Percent of left-turns in advancing volume (VA), %: <br />Critical headway, s: <br />Average time for left-turn vehicle to clear the advancing lane, s: <br />Limiting advancing volume (VA), veh/h: <br />Guidance for determining the need for a major-road left-turn bay: <br />Left-turn treatment warranted. <br />Average time for making left-turn, s: <br />0 <br />100 <br />200 <br />300 <br />400 <br />500 <br />600 <br />700 <br />800 <br />0 100 200 300 400 500 600 700Op <br />p <br />o <br />s <br />i <br />n <br />g <br /> <br />V <br />o <br />l <br />u <br />m <br />e <br /> <br />( <br />V <br />O), <br /> <br />v <br />e <br />h <br />/ <br />h <br />Advancing Volume (VA), veh/h <br />Left-turn treatment <br />warranted. <br />Left-turn <br />treatment not <br />warranted. <br />Access F - 2045 Scenario 1 NBL Warrant <br />Page 554 of 679