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Traffic Impact Study March 24,2004 — <br /> Proposed RMC Pacific Mining Site Page 5 <br /> Table 2 <br /> Traffic Index (20-Year) Summary <br /> Road Segment Existing Traffic Index With Project — <br /> Traffic Index Haul Route 1 Haul Route 2 <br /> Blewett Road East of Bird Road 10.0 11.5 10.5(eastbound) <br /> I1.5 westbound — <br /> Blewett Road East of I-5 9.0 11.5 9.5(eastbound) <br /> 11.5 westbound <br /> Bird Road Blewett Road to SR 132 12.0* 12.5 12.5 northbound <br /> Koster Road Blewett Road to SR 132 Minimal Not applicable 9.0(northbound) <br /> 11.0 southbound <br /> SR 132 East of Bird Road 13.0** 13.5 13.13 0 (eastbound) <br /> 0 westbound — <br /> SR 132 East of I-5 13.0** 13.0 13.0 <br /> SR 132 West of Bird Road 13.0** 13.0 13.0 <br /> * Source: Brown Sand and Gravel Environmental Impact Report, State Clearing House Number 960-42075, _ <br /> Table 9-11,pg.9-36 <br /> **Based on data available from Caltrans web sites <br /> Considering that this traffic impact study is not a design-level document, it is not recommended <br /> that the traffic index values presented herein be used for design purposes. More extensive traffic <br /> counts would be required for design. <br /> 6.5-Level of Service _ <br /> Intersection level of service is a measure of the average delay experienced by vehicles at a <br /> particular intersection. Level of service characteristics for both unsignalized and signalized <br /> intersections are defined in the 2000 Highway Capacity Manual published by the Transportation _ <br /> Research Board and are presented in Tables 2 and 3. <br /> Table 3 _ <br /> Level of Service Characteristics for Unsignalized Intersections <br /> Level of Service Description Average Vehicle Dela seconds <br /> A Little or no delay. 0-10 — <br /> B Short traffic delays. >10-15 <br /> C Average traffic delays. >15-25 <br /> D Long traffic delays. >25-35 _ <br /> E Very long traffic delays. >35-50 <br /> F Stop-and-go conditions. >50 <br />