During the next 10 days, Central Subway work will continue at sites in SoMa, Union Square, Chinatown and North Beach. This section contains brief updates about what is happening in each neighborhood. For more detailed information, click here or on the links below. We also post construction, traffic detour and Muni impact information on our project Google Map.
Southern SoMa (Harrison to King/Berry): Potholing for utilities will continue next week on 4th Street between Bryant and King. A temporary walkway is in place around the construction zone. At the tunnel launch box on 4th Street between Harrison and Bryant, tunneling continues with both TBMs.
Northern SoMa (Market to Harrison): At 4th and Folsom, work to prepare for the Yerba Buena/Moscone Station continues. This will include demolishing the roadway within the construction zone to prepare to construct underground station walls at 4th and Folsom at night.
Union Square: Stockton Street between Ellis and Geary is closed to vehicular traffic and partial closure to vehicular traffic between Geary to Post to allow for construction of the Union Square/Market Street Station. Work is underway to excavate material before constructing station walls. Construction hours will be Monday to Friday from 7 a.m. to 11 p.m.
Chinatown: The contractor has started station wall construction within the future station site and on the adjacent section of Washington Street.
North Beach: Work will continue at 1455 Stockton and 1731-1741 Powell. Sewer, roadway and sidewalk restoration on Columbus and Union will continue and is expected to be completed by the end of April.
We appreciate your patience and support while we build this essential upgrade to San Francisco’s public transportation system.