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4.2 TRAFFIC AND CIRCULATION difference in the Peltier Road design. The Ray Road- Kile Road corridor currently has very low heavy truck volumes. Truck traffic would increase substantially as a result of the transport of excavated materials. In fact, the calculations indicate a need for 20-percent thicker roadway section along Ray Road- Kile Road. In the absence of a detailed design study, it is difficult to determine the effects of this shortfall. However, it is likely that the Ray Road - Kile Road haul route would need to be resurfaced. Mitigation 4.2-3 Because the preliminary design study in this EIR cannot be considered conclusive in terms of specific roadway reconstruction requirements, it is recommended that the applicant initiate a detailed design study to determine the eventual roadway improvements needed on Davis Road and Ray Road-Kile Road prior to final map approval. It does not appear that Peltier Road would be measurably affected. I mpact 4.2-4 Trucks used in excavation will traverse portions of private land where adequate roads for the trucks do not exist. The trucks on the proposed haul route would traverse both existing public roads and private property where roads do not currently exist. The truck route would traverse private land at two locations. One location would extend south from the proposed bridge over the Mokelumne River near the borrow site to the existing termination of Davis Road. The other location would extend north from Kile Road (approximately one mile west of Ray Road) to the drop off site at the levee of the Mokelumne River, a distance of approximately 2,500 feet. The applicant proposes to construct oiled gravel roadways comprised of liquid asphalt over an aggregate base along the needed portions of the proposed route in order to accommodate the excavation trucks. This method would be adequate to accommodate the haul trucks from the project site and this impact is considered less than significant, except for the portion of the haul route extending 100 feet north from Kile Road which is required by Code to be paved. Miti ag tion 4.2-4 In accordance with County road standards, the first 100 feet of the haul route from Kile Road must be paved. 4.2-19