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Draft Supplemental Environmental Impact Report Page IV.B-5 _ <br /> Forward Inc. Landfill 2014 Expansion Project <br /> Table IV.B-2 Level of Service Descriptions <br /> Unsignalized Intersections — <br /> Level of Service Average Control Delay <br /> (seconds/vehicle) <br /> A 0 - 10 <br /> B >10-15 <br /> C >15-25 <br /> D >25-35 <br /> E >35-50 <br /> F >50 <br /> Source: Highway Capacity Manual, Chapter 17 <br /> (Transportation Research Board, 2000) <br /> Table IV.13-3 Level of Service Descriptions <br /> Class II Urban Street <br /> Average Travel <br /> Level of Service Speed (mph) <br /> A >35 <br /> B > 28-35 <br /> C >22-28 <br /> D > 13-17 <br /> E s13 <br /> Source: Highway Capacity Manual, Chapter 15 <br /> (Transportation Research Board, 2000) — <br /> Signalized Intersection Analysis <br /> Period of Analysis <br /> During a weekday, traffic flows are typically highest during morning (AM) and evening (PM) <br /> peak periods. Therefore, the potential for a project to adversely affect the operation of a <br /> transportation system is greatest during these peak periods. The proposed project would <br /> operate during both peak periods, therefore, this study focuses on potential impacts during — <br /> both the AM and PM peak periods. <br /> Study Intersections <br /> Ten study intersections were selected for analysis in the traffic study for the previous 2013 EIR, <br /> with input from County of San Joaquin staff and Caltrans. Although there are four driveways <br /> that connect the site to Austin Road, the main driveway carries the great majority of traffic; <br /> therefore, it is the only one analyzed. The study intersections and the type of control (signal or <br /> stop control) are listed below. The intersection numbering corresponds to the locations of the <br /> intersections shown in Figure IV.B-1 and described in the tables. <br />