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Caltrain electrification to affect four historic San Francisco tunnels; design includes targeted brick work and 30‑foot pole setbacks
Summary
Caltrain staff told the Historic Preservation Commission that their Peninsula Corridor Electrification Project requires limited removal of historic brick lining in four century‑old tunnels (estimated 3–5%) to install an overhead contact system, and designers have committed to mitigation measures including reusing removed brick and setting poles back up to 30 feet from tunnel portals.
Caltrain and its consultants briefed the San Francisco Historic Preservation Commission on Aug. 2 on planned work to electrify the Peninsula Corridor and expected effects on four historic tunnels in the city.
The electrification program, the presenters said, is nearing 100 percent design and follows environmental clearances completed in 2015. “We got our last chunk of funding from the federal government of $647,000,000,” Stacy, the Caltrain principal planner, said, and Caltrain expects manufacturing, testing and a phased revenue service beginning in 2020–21 with…
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