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L4. ENVIRONMENTAL ANALYSIS <br /> 4.4 TRANSPORTATION AND CIRCULATION <br /> LLocal Roadway Access <br /> Local access roads serving the project site include east-west Gaffery Road and Blewett Road, and <br /> north-south Koster Road,McCracken Road, and Bird Road. These two-lane roads generally have <br /> 18 to 20 feet of pavement width, with no shoulders and no posted speed limits. Traffic tends to <br /> Ltravel at or near the State maximum speed limit for undivided highways of 55 miles per hour. <br /> McCracken and Bird Roads are classified as Collector roads, and Gaffery, Koster and Blewett <br /> Roads are classified as Local roads. Traffic volumes on these local roadways is generally light. <br /> Local intersections are unsignalized, with stop sign control on the minor street approaches. <br /> LSTUDY AREA AND ANALYSIS APPROACH <br /> The study intersections and road segments were determined based on their proximity to the site <br /> g and the amount of project traffic expected. This analysis includes analysis of the following <br /> L intersections, which are shown on Figures 4.4-2 and 4.4-3: <br /> • Blewett Road and Koster Road; <br /> • Bird Road and Blewett Road; <br /> • Bird Road and SR 132; <br /> • Koster Road and SR 132; <br /> • Welty Road and SR 132; <br /> • McCracken Road and SR 132; <br /> • SR 132 and Interstate 5 interchange; <br /> • SR 132/Interstate 580(westbound to northbound merge); <br /> • Interstate 5 and Interstate 580 interchange(southbound merge). <br /> Additionally, this analysis includes review of the following road segments: <br /> • Bird Road: Blewett Road to SR 132; <br /> • SR 132: Chrisman Road to Bird Road; <br /> • SR 132: Bird Road to Interstate 5; <br /> • SR 132: Interstate 5 to Koster Road; <br /> • SR 132: Koster Road to McCracken Road; <br /> • Blewett Road: Bird Road to Interstate 5; <br /> • Blewett Road: Interstate 5 to Koster Road. <br /> The study time period included the weekday AM peak hour,which typically occurs between <br /> ia. 7:00 and 9:00 AM. <br /> f The existing lane configurations at each of the study intersections are shown in Figures 5 and 6 <br /> contained in Appendix C. This report assumes that existing lane configurations will be <br /> maintained through the year 2025 unless specific impacts requiring mitigations are identified. <br /> 1 <br /> L <br /> L <br /> RMC Pacific Vernalis Quarry Mining and Reclamation Project 4.4-3 FSA/203015 <br /> LAdntinistmtwe Draft EIR March 2004 <br />