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| Daly City–Dublin/Pleasanton Line | |
|---|---|
| Name | Daly City–Dublin/Pleasanton Line |
| System | Bay Area Rapid Transit |
| Locale | San Francisco Bay Area |
| Start | Daly City |
| End | Dublin/Pleasanton station |
| Stations | 19 |
| Owner | San Francisco Bay Area Rapid Transit District |
| Operator | Bay Area Rapid Transit District |
| Open | 1972 |
| Linelength | 40 miles |
| Electrification | 1,000 V DC third rail |
Daly City–Dublin/Pleasanton Line The Daly City–Dublin/Pleasanton Line is a rapid transit service in the San Francisco Bay Area operated by the Bay Area Rapid Transit District connecting Daly City on the San Francisco Peninsula with Dublin/Pleasanton station in Alameda County, via central San Francisco, San Mateo County, Santa Clara County, and the East Bay. The line links major transit hubs such as Embarcadero Station, 16th Street Mission, West Oakland station, and MacArthur station and interfaces with services including Caltrain, San Francisco Municipal Railway, AC Transit, and Altamont Corridor Express.
The route is part of Bay Area Rapid Transit's core network alongside lines serving Richmond, Fremont station, and Millbrae station and operates across infrastructure influenced by projects like the Transbay Tube, Market Street Subway, and the original BART Act corridor. It connects employment centers such as San Francisco Financial District, Oakland City Center, and Dublin/Pleasanton business parks while serving institutions including UC Berkeley, San Francisco State University, and City College. The line's alignment intersects with federal and state entities like the Federal Transit Administration and the California Department of Transportation for funding and regulation.
Service traces to planning documents produced by San Francisco Bay Area Rapid Transit District and voter-approved measures like Measure A and subsequent capital campaigns supported by municipal partners such as City and County of San Francisco and Alameda County Transportation Commission. Construction phases paralleled works on the Transbay Tube and the Embarcadero Freeway removal, with expansions timed alongside projects by Metropolitan Transportation Commission and ballot initiatives including Proposition 1A (2008). Operational milestones involved coordination with labor organizations such as Amalgamated Transit Union and technological procurements aligned with manufacturers like Bombardier Transportation and Kawasaki Heavy Industries for rolling stock.
The line runs from Daly City through Colma, South San Francisco station, Bayshore proximity, then into the Transbay Tube serving Embarcadero Station, Montgomery Street Station, Powell Street, and continuing through the Mission District at 16th Street Mission and 24th Street Mission before crossing San Francisco–Oakland Bay Bridge adjacently at West Oakland station to Fruitvale station, 19th Street Oakland station, 12th Street/Oakland City Center, MacArthur station, then east to Orinda station proximity, Pleasant Hill, Concord region interfaces, terminating at Dublin/Pleasanton station. Stations connect with services like Caltrain, Golden Gate Transit, AC Transit, SamTrans, and VTA for regional transfers.
Service follows headways set by Bay Area Rapid Transit District with peak period frequencies aligned to demand patterns established by agencies such as the Metropolitan Transportation Commission and enforced through labor agreements with Amalgamated Transit Union Local 1555. Scheduling integrates with dispatch systems influenced by vendors like Siemens and operations research informed by studies from Massachusetts Institute of Technology and Stanford University. Timetables account for peak commuting flows to San Francisco Financial District, Downtown Oakland, and intermodal connections at Embarcadero Station and MacArthur station.
Rolling stock comprises BART C2 and legacy fleets refurbished by contractors such as Kinkisharyo and Bombardier Transportation under oversight from the San Francisco Bay Area Rapid Transit District. Onboard systems include traction equipment conforming to standards referenced by Institute of Electrical and Electronics Engineers and safety systems interoperable with the Federal Railroad Administration guidance, while station fare gates and Clipper card readers interface with regional fare coordination led by Metropolitan Transportation Commission.
Ridership is monitored by the San Francisco Bay Area Rapid Transit District and reported to metropolitan planners at Metropolitan Transportation Commission and regional bodies like the Association of Bay Area Governments. Trends show commuting flows driven by employers such as Oracle Corporation, LinkedIn Corporation, UC Berkeley, and Kaiser Permanente, and events at Oracle Park and Chase Center affect demand. Performance metrics include on-time arrivals, mean distance between failures, and passenger load factors benchmarked against peer systems like Washington Metro and Chicago 'L'.
Infrastructure includes the Transbay Tube, wayfinding elements at Embarcadero Station, traction power substations maintained in coordination with Pacific Gas and Electric Company, and trackwork managed by the San Francisco Bay Area Rapid Transit District maintenance division. Maintenance yards such as Hayward Maintenance Complex and facilities in Daly City support overhaul programs funded through capital budgets and grants from the Federal Transit Administration and the California Strategic Growth Council. Asset management practices reference standards from American Public Transportation Association.
Planned upgrades align with regional initiatives like the Transbay Program and studies by Metropolitan Transportation Commission and include fleet replacement programs, implementation of advanced signaling comparable to Communications-based train control projects on systems like New York City Subway and London Underground, station accessibility improvements under the Americans with Disabilities Act of 1990, and expanded intermodal connections with Caltrain Electrification and proposed BART to Silicon Valley Project extensions. Funding scenarios consider federal discretionary grants administered by the Federal Transit Administration and state measures supported by the California State Legislature.
Category:Bay Area Rapid Transit lines