Transportation planning
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System Planning Links
- Office of System & Freight Plannning:
System Planning Branch - Geographic Information System
- Interregional Transportation Strategic Plan
- Ramp Meter Development Plan (RMDP)
- Relinquishment
- California Corridor Mobility
mpo & rtpa links for district 4*
*Includes Congestion Management Agencies (CMAs) and Sales Tax Authorities (STAs)
- Metropolitan Transportation Commission, MPO/RTPA
- Alameda County Local Transportation Commission, CMA
- Contra Costa Transportation Authority, CMA
- Transportation Authority of Marin, STA
- Napa County Transportation Planning Agency, CMA
- San Francisco County Transportation Authority, CMA
- San Mateo County Association of Governments, MPO/RTPA/CMA
- Santa Clara Valley Transportation Authority, STA
- Solano Transportation Authority, CMA
- Sonoma County Transportation Authority, CMA
Comprehensive Corridor Evaluation Corridor Management Plan The goal of this effort is to develop a multi-jurisdictional corridor management plan that includes stakeholder input and consensus on a set of near and long term improvement strategies for SR 12. This plan will build upon and update existing studies for the SR 12 corridor and incorporate the most recent transportation forecasts based upon current land use plans for each of the counties located along the corridor.
SR 12 supports interregional, recreational, commuter, agricultural and military traffic between the Bay Area and the San Joaquin Valley. SR-12 is important for recreational travelers destined for Napa and Sonoma Counties as well as the Delta. It also serves as a commute corridor and a key interregional goods movement corridor because of its direct access to
 SR 12 passes through four counties (Napa, Solano, Sacramento, and San Joaquin), three Caltrans Districts (3, 4 and 10), developed areas including Suisun City and Rio Vista, rural settlements and undeveloped areas. The route crosses two major Interstate routes (I-80 and I-5), two railway lines (Southern Pacific and Sacramento Northern), navigable water bodies with movable spans (most notably the Sacramento River Crossing at Rio Vista) and numerous at-grade and grade separated intersections. Click on image to view a larger map
The overall route is 52 miles long from SR 29 to I-5 (41 miles from I-80 to I-5). The study will rely on existing analysis and documentation for the portion between SR 29 and I-80. This existing information will be incorporated into this study.
The plan will consider and address the following corridor issues:
• Freight and goods movement • Future levels of inward commuting to Bay Area • Access and mobility • Future development in Rio Vista • Increased shipping to Port of Sacramento  • Travis AFB as a joint use passenger/freight airport  • Preservation of Delta environment • Context Sensitive Solutions • Policy mandates such as SB 375 • Integration of economic, environmental and equity concerns. As shown in the graphic to the right, the planning process started in the summer of 2010 and will be completed by May, 2012.
Key project milestones are linked to the completion of technical memos related to: • Existing Conditions • Future Conditions • Improvement Strategies • Engineering Analysis • Draft and Final Plan The technical analysis is being led by Atkins, an engineering consulting firm, in coordination with a Project Development Team that includes representatives from Caltrans Districts 3,4 and 10, the Metropolitan Transportation Commission (MTC), San Joaquin Council of Governments (SJCOG), Sacramento Area Council of Governments (SACOG) and Solano Transportation Authority (STA). The PDT has identified key stakeholder groups that will be invited to review and provide comment on key project documents at stakeholder working sessions. |
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