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Valley Link

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Valley Link
NameValley Link
TypeCommuter rail
LocaleNorthern California
OwnerTri-Valley–San Joaquin Valley Regional Rail Authority
StatusUnder construction / commencing service
StartPleasanton
EndLathrop/Manteca
Stations7 (planned)
Open2028 (projected)
OperatorSan Joaquin Regional Rail Commission (planned operations)

Valley Link is a planned commuter rail service connecting the Tri-Valley region of Alameda County with the San Joaquin Valley in Northern California. The project seeks to link Pleasanton, California, Dublin, California, Livermore, California and Lathrop, California / Manteca, California via an alignment that interfaces with existing Bay Area Rapid Transit and Altamont Corridor Express services. Advocates argue the service will reduce highway congestion on Interstate 580, support Bay AreaCentral Valley commuting, and provide intermodal connections to San Francisco International Airport and Oakland International Airport.

Overview

Valley Link is sponsored by the Tri-Valley–San Joaquin Valley Regional Rail Authority and coordinated with agencies such as the San Joaquin Regional Rail Commission, BART District, California Department of Transportation, and Metropolitan Transportation Commission (California). The corridor repurposes portions of former freight and passenger rights-of-way including segments adjacent to the Altamont Pass, utilizing rights negotiated with Union Pacific Railroad and infrastructure influenced by the historic Western Pacific Railroad. Planned integration emphasizes transfers to Bay Area Rapid Transit at a future Dublin/Pleasanton station interface and connections with ACE (Altamont Corridor Express) operations.

History and planning

Initial studies trace to regional planning efforts by the Association of Bay Area Governments and the San Joaquin Council of Governments responding to capacity limits on Interstate 580 identified in the Metropolitan Transportation Commission (California)'s long-range plans. Environmental review followed the California Environmental Quality Act process, with program-level documents prepared alongside input from Alameda County Transportation Commission and San Joaquin County Board of Supervisors. Federal involvement included competitive grant applications to the Federal Transit Administration and coordination with the Federal Railroad Administration for safety and operational approvals. Political milestones involved resolutions by the California State Legislature and funding decisions influenced by the State of California's transit funding programs such as Cap-and-Trade allocations and state transit grants.

Route and stations

The proposed alignment runs from the Dublin/Pleasanton station area eastward over the Altamont Pass corridor to a terminus near Lathrop, California and Manteca, California. Planned stations include intermodal hubs at Dublin, California, West Tracy, Tesla/North Lathrop-area stops, and stations near Concord, California-adjacent corridors for feeder bus connections. Designs consider proximity to San Joaquin Delta College, Lawrence Livermore National Laboratory commuter origins, and transit-oriented development opportunities modeled after projects around Millbrae station and Santa Clara Transit Center. Alignment alternatives analyzed impacts on San Joaquin County agriculture, Alameda County open space, and heritage rail properties such as remnants of the Atchison, Topeka and Santa Fe Railway.

Operations and service

Service plans propose frequent peak-direction commuter runs aligning with Metrolink (California) and Caltrain scheduling principles, while coordinating fare integration with Clipper (fare collection system). Operations agreements contemplate dispatching coordination with Union Pacific Railroad and safety oversight from the Federal Railroad Administration. Ridership forecasting used models from Bay Area Rapid Transit patronage analyses and drew comparisons to Altamont Corridor Express and Sacramento Regional Transit District demand patterns. Weekend and off-peak service levels, contingency plans for Severe weather events affecting the Altamont Pass, and interoperability with ACE (Altamont Corridor Express) and Amtrak California intercity schedules are key operational considerations.

Rolling stock and technology

Rolling stock procurement studied diesel multiple unit (DMU) and battery-electric multiple unit (BEMU) options evaluated against emissions standards set by the California Air Resources Board and noise ordinances in Alameda County. Vehicle selection considered manufacturers such as Stadler Rail, Siemens Mobility, and Alstom with an eye to onboard amenities similar to those on Caltrain electrified sets and Metrolink fleets. Technology choices include Positive Train Control mandated by the Federal Railroad Administration, passenger information systems compatible with Transit app and Google Transit feeds, and station-level fare gating interoperable with Clipper (fare collection system).

Funding and governance

Funding combines local sales tax measures overseen by entities like the Alameda County Transportation Commission, state bonds authorized by California State Legislature budget actions, and federal grants from the Federal Transit Administration's Capital Investment Grants program. Governance is vested in the Tri-Valley–San Joaquin Valley Regional Rail Authority, which includes appointed representatives from Alameda County, San Joaquin County, and city officials from Pleasanton, California and Livermore, California. Contracting and procurement follow public works requirements under California Public Contract Code and federal procurement standards tied to grant funding. Cost estimates have been debated in hearings before the California State Transportation Agency and budget subcommittees of the California State Legislature.

Community impact and future developments

Proponents cite reductions in vehicle miles traveled on Interstate 580 and potential economic benefits for San Joaquin County and the Tri-Valley workforce, drawing analogies to regional growth observed after investments in Bay Area Rapid Transit expansions and the ACE (Altamont Corridor Express) extension program. Community concerns include station-area traffic, effects on San Joaquin Valley agriculture, and compatibility with local land use plans enforced by municipal planning departments in Livermore, California and Manteca, California. Future developments under consideration include phased extensions to Tracy, California or Stockton, California, electrification initiatives aligned with California Climate Policy, and transit-oriented development modeled after Union City Transit Village and Mission Bay projects. Ongoing stakeholder engagement continues with transportation advocacy groups like Transportation California, labor organizations such as the International Association of Sheet Metal, Air, Rail and Transportation Workers, and regional planning bodies including the Metropolitan Transportation Commission (California).

Category:Rail transportation in California