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TABLE 2 <br />Average Total Delay <br />Level of Service (seconds/vehicle) <br />A <10.0 <br />B > 10.0 and <15.0 <br />C > 15.0 and <25.0 <br />D > 25.0 and <35.0 <br />E > 35.0 and <50.0 <br />F > 50.0 <br />Source: Highway Capacity Manual, Special Report 209, <br />Transportation Research Board, 2000. <br />LEVEL OF SERVICE DEFINITIONS FOR <br />STOP-CONTROLLED INTERSECTIONS <br />91-70