Construction Update | June 21 – June 30
The entrances to both subway tunnels can be seen here in the TBM launch box under 4th Street, near Harrison.
During the next 10 days, Central Subway work will continue at sites in SoMa, Union Square, Chinatown and North Beach. This post 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. Hydrant relocation work to occur at 4th and Bryant. A temporary walkway is in place around the construction zones. Street sweeping on June 23rd (6am to 10am) on 4th Street from Bryant to Brannan along the west side of 4th Street and at the corner of Brannan.
Northern SoMa (Market to Harrison): At 4th and Folsom, work to build the Yerba Buena/Moscone Station continues. This includes construction of the station walls within the work site, water line replacement at the intersection of 4th and Folsom, and soil borings along 4th between Howard and Folsom.
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 for pile installation to construct the station walls. Construction hours will be Monday to Saturday from 7 a.m. to 11 p.m. Beginning May 30 to July 25, the bus stop at Geary and Stockton will be temporarily closed every Friday at 10 p.m. through the weekend. Service will resume every Monday at 4 a.m. One lane of traffic on O’Farrell Street at Stockton will start on Monday June 23rd. All travel lanes will be reopened by 4 a.m. on Wednesday, June 25th.
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. Sustainable Streets is constructing bulbs on Columbus Avenue between Filbert and Union Streets, and widening the sidewalk on both sides of the street for this block. Street restoration work is expected to be completed by the 3rd Quarter of 2014. More information is available in this notice.
We appreciate your patience and support while we build this essential upgrade to San Francisco’s public transportation system.
