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San Joaquin County Community Environmental Setting,Impacts,and Mitigation Measures <br /> Development Department Transportation and Traffic <br /> Table 3.L-35. Roadway Traffic Index(TI)Values Estimated Increase Resulting <br /> from Proposed Project Two-Way Traffic <br /> Increase Over Existing Increase Over Year 2007 <br /> Conditions(2007+ Baseline Conditions(2007+ <br /> Roadway Segment Project)TI(10-Year) Project)TI(10-Year) <br /> Koster Road between Blewett 0.0 0.0 <br /> Road and Quarry Entrance <br /> Blewett Road between Koster 1.0 0.5 <br /> Road and Bird Road <br /> Bird Road between Blewett 0.0 0.0 <br /> Road and SR 132 <br /> Source: Omni-Means 2005. <br /> TI values were also calculated by direction of travel on Bird Road, Blewett Road, <br /> and Koster Road just south of the DeSilva Gates quarry entrance for a condition <br /> that considers that truck traffic will generally be traveling empty in one direction <br /> and loaded in the other direction of travel. Directions in which the majority of <br /> .. trucks are assumed empty include southbound Bird Road between SR 132 and <br /> Blewett Road, eastbound Blewett Road between Bird Road and Koster Road,and <br /> northbound Koster Road to the project entrance. Table 3.L-36 presents the <br /> r calculated increase in TI values resulting from the proposed project on Bird <br /> Road, Blewett Road, and Koster Road just south of the DeSilva Gates quarry <br /> entrance for existing(10-year TI value), and year 2007 (10-year TI value)traffic <br /> .. conditions,and considering different TI values depending on the direction of <br /> travel and whether trucks are generally empty or loaded(Omni-Means 2005). <br /> Table 3.L-36. Roadway Traffic Index(TI)Values Estimated Increase Resulting from Proposed Project by <br /> Direction of Travel <br /> Increase Over Existing Conditions Increase Over Year 2007 Base <br /> �r Roadway Segment (2007+Project)TI(I0-Year) Conditions(2007+Project)TI(10-Year) <br /> Koster Road between Blewett 0.5 (NB)/ 0.5(NB)/ <br /> Road and Quarry Entrance 0.0(SB) 0.0(SB) <br /> Blewett Road between Koster 0.5 (EB)/ 0.5(EB)/ <br /> Road and Bird Road 1.0(WB) 0.5(WB) <br /> Bird Road between Blewett Road 0.0(SB)/ 0.0(SB)/ <br /> and SR 132 1.0(NB) 0.0(NB) <br /> Source: Omni-Means 2005. <br /> r <br /> 2027 Estimated Project Truck Trip Generation Rates and <br /> Volumes <br /> Estimated 2027 Truck Trips <br /> As shown below,the proposed Project will generate an average of 256 truck trips <br /> per day in 2027 based on the average 2027 production rate of 800,000 tons per <br /> year. <br /> DeSilva Gates Quarry Project <br /> Draft Environmental Impact Report 31-31 <br /> Jas 05105 05 <br />