This 123-ton ring was the first part of tunnel boring machine Mom Chung to be installed underground. Installation began late Friday night and continued through Saturday morning. Mom Chung has arrived — all 750 tons of her — and soon she’ll start building San Francisco’s newest subway tunnel, the first constructed in the city since […]
While the Stockton and Ellis entrance is closed, customers may use one of seven other entrances to access the Powell Street Station. Starting Wednesday, April 24, the entrance to the Powell Street Station located at Stockton and Ellis streets will close to accommodate Central Subway construction. The closure of this entrance, also known as the […]
On Ellis Street, crews continue to excavate and stabilize a shaft that will be used to perform ground improvements. During the next 10 days, construction to prepare for tunneling will continue in SoMa and Union Square, and we will perform a soil boring in North Beach. No Central Subway construction is planned to occur in […]
These renderings show the designs of the Central Subway’s three subway stations and one surface-level station. Yesterday at the headquarters of the San Francisco Municipal Transportation Agency (SFMTA), bids were opened for the contract to construct the Central Subway’s stations, track and systems. The three bids for the contract, SFMTA Contract No. 1300, were submitted […]
The T Third Line, shown here at 4th and King streets, will travel underground through SoMa, Union Square and Chinatown once the Central Subway is complete. Last week we received great news from our funding partners in Washington, D.C. As part of the federal budget for the current fiscal year, the Central Subway was awarded about […]
Construction of underground walls is in progress on 4th Street between Howard and Folsom. During the next 10 days, construction to prepare for tunneling will continue in SoMa and Union Square. No Central Subway construction is planned to occur in Chinatown or North Beach. Descriptions of construction impacts in each neighborhood are available here or […]
Beneath 4th Street, crews are pouring concrete to build the floor of the tunnel launch box between Harrison and Bryant. During the next 10 days, construction to prepare for tunneling will continue in SoMa and Union Square. No Central Subway construction is planned to occur in Chinatown or North Beach. Descriptions of construction impacts in […]
The Central Subway team helped welcome the Year of the Snake at the Chinese New Year Parade & Festival in Chinatown. Hot off the presses: It’s the spring 2013 edition of the Central Subway newsletter. Download it in English or Chinese to read about the latest project news and to gain insight into construction progress, funding milestones and more. In addition […]
