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BART completes $1.5bn seismic retrofit of Transbay Tube, enhancing earthquake resistance.
BART has completed a $1.5 billion seismic retrofit of its Transbay Tube, a vital underwater rail link between Oakland and San Francisco, marking the tunnel's 50th anniversary.
The upgrades enhance structural integrity and include a new pumping system to manage potential leaks during significant earthquakes.
While the tube is now designed to withstand a once-in-a-thousand-year seismic event, BART faces ongoing financial challenges due to reduced ridership post-pandemic.
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BART completa la readaptación sísmica de $1.5 mil millones de Transbay Tube, mejorando la resistencia a los terremotos.