2050 Placer County Regional Transportation Plan (RTP) - Recirculated EIR

The 2050 Placer County Regional Transportation Plan (RTP) is a 25-year comprehensive strategy developed by the Placer County Transportation Planning Agency (PCTPA) to guide the systematic development of a balanced, multi-modal transportation system across highways, local streets, transit, bicycle networks, aviation, rail, and freight movement. Designed to meet current and future mobility needs, the plan was coordinated with the Sacramento Area Council of Governments’ 2025 Metropolitan Transportation Plan and Sustainable Communities Strategy to ensure regional alignment. The plan is updated every five years as required by state law, with the previous version adopted in June 2024. The current effort centers on preparing a Supplemental Environmental Impact Report (SEIR) under the California Environmental Quality Act (CEQA) to reassess environmental impacts since the prior plan, incorporating new data and significant changes. The SEIR evaluates potential effects across ten key environmental factors including air quality, greenhouse gas emissions, land use, cultural resources, transportation circulation, aesthetics, agricultural resources, tribal cultural resources, and wildfire risks, using qualitative significance ratings such as Potentially Significant, Less than Significant, and Significant and Unavoidable to determine mitigation needs. The plan’s implementation spans multiple locations throughout Placer County, with specific project sites including SR 49 from I-80 to Dry Creek Road and SR 28 from Onyx Street to Chipmunk Street, each with anticipated completion dates extending to 2035. While project-level cost estimates are identified—such as $50 million for SR 267 widening and $55 million for Watt Avenue widening—these are planning figures, not formal contract line items, and no unified contract value or pricing structure is established. Environmental compliance is managed under CEQA Guidelines and state statutes, with responsibilities vested in PCTPA as Lead Agency, supported by oversight from Caltrans, the California Department of Fish and Wildlife, and the U.S. Army Corps of Engineers. Key environmental protections include immediate work stoppage upon discovery of human remains, mandatory coordination with Tribal representatives, and requirements for habitat restoration, soil stabilization, and fire safety measures. The SEIR process involved public scoping, with a hybrid meeting held in March 2025, and formal submissions were accepted through email and physical delivery at the PCTPA office in Roseville through March 14, 2025. The final document must include a comprehensive analysis of alternatives, detailed mitigation measures, and a Mitigation Monitoring Program, all