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y ' D p Draft Environmental Impact Report Page IV.B-4 <br /> Forward Inc. Landfill Expansion <br /> ! ]. applies as the standard of significance for this study. The policy also includes guidelines for <br /> determining whether added traffic from a proposed development is to be considered a <br /> significant impact. <br /> • If the LOS for this condition exceeds the County's LOS standards, then mitigation <br /> measures that would improve the LOS to an acceptable level must be identified. LOS <br /> must be expressed in terms of delay in seconds for intersections. <br /> • If the LOS for conditions at a given location is already at an unacceptable LOS, then <br /> mitigation measures that would return the v/c ratio(volume/capacity)to the "existing" <br /> level must be identified. <br /> Different types of analyses are used for signalized and unsignalized intersections. The methods <br /> used to analyze both signalized and unsignalized intersections are described below. The study <br /> methodology was selected based on staff input from both the City of Stockton and San Joaquin <br /> County. Generally,this study follows County Traffic Study Guidelines (San Joaquin County, <br /> 2008),but because the project is within the City of Stockton's sphere of influence, a 2035 horizon <br /> year for Cumulative analysis per City guidelines was used. <br /> Signalized Intersection Analysis <br /> Tables IV.B-1 to IV.B-3 provide a brief description of LOS far each category. <br /> _ . Table IV.B-I Level of Service Descriptions <br /> r Signalized Intersections <br /> t Level of Service Average Control Delay <br /> (seconds/vehicle) <br /> A s10 <br /> B X10-20 <br /> ` C X20-35 <br /> D X35-55 <br /> E X55-80 <br /> F X80 <br /> Source: Highway Capacity Manual, Chapter 16 <br /> (Trans ortation Research Board, 2000) <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 X10-15 <br /> k C X15-25 <br /> D X25-35 <br /> E X35-50 <br /> F X50 <br /> � Source:Highway Capacity Manual, Chapter 17 <br /> (Transj2ortation Research Board, 2000) <br />