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4.Environmental Analysis Haul Route 3 — Impact 4.4.5: Implementation of Haul Route 3 could result in level of service impacts at the intersection of SR 33 and Welty Road.This impact is less than significant. _ After completion of the draft traffic impact study for the project,a third potential haul route was identified. A technical memorandum addressing the implementation of the third haul route is included in its entirety in Appendix C,Part iii, of this EIR. The third haul route consists of: Haul Route 3: This alternative involves trucks leaving the site and traveling north on Koster — Road to Blewett Road,east on Blewett Road to Welty Road, north on Welty Road to SR 33,northwesterly on SR 33 to Interstate 5 and further destinations (see Appendix C, Part iii,Figure 1). — The supplemental traffic analysis specifically evaluated the potential effects of implementation of Haul Route 3 on the intersection of SR 33 and Welty Road. Existing conditions for all approaches to the SR 33 and Welty Road intersection are currently operating at LOS A. Under the cumulative with Haul Route 3 conditions,the LOS for the northbound and southbound approaches would reduce to LOS B,while the other approaches remain at LOS A. Likewise, under the future(2025) with Haul Route 3 conditions,the northbound approach would be at LOS C,the southbound approach would be at LOS B and the other approaches would remain at LOS A. All are considered acceptable levels of service. Thus, implementation of Haul Route 3 would result in — less-than-significant impacts to the intersection of SR 33 and Welty Road. However, it should be noted that San Joaquin County Public Works staff have indicated that they will not support the use of Haul Route 3 as an alternative access to the site. — Mitigation: No mitigation is required. — RMC Pacific Vernalis Quarry Mining and Reclamation Project 4.4-20 ESA 1203015 Draft Environmental Impact Report May 2006