Project Advancements | October 4 – October 13, 2014
Workers at 1731-1741 Powell Street continue working on dismantling the tunnel boring machine (TBM) Mom Chung. The tunnels that were constructed by the TBMs are approximately 20 feet in diameter.
During the next 10 days, Central Subway work continues at sites in SoMa, Union Square, Chinatown and North Beach. This post contains brief updates about recent construction activities and a look-ahead for what to expect in each neighborhood. For more detailed information, click here or on the links below. You can also find construction, traffic detour, and Muni impact information on our project Google Map.
Schedules may change due to unforeseen conditions. We encourage the public to follow all traffic and pedestrian notifications posted at the work sites.
Southern SoMa (Harrison to King): Construction crews are relocating and installing new utilities along 4th Street from Bryant to King streets.
- On 4th Street between Bryant and Brannan streets, sewer line installation to start Oct. 8.
- Two traffic lanes will remain open Monday to Friday, 7 a.m. to 5 p.m.
- On Welsh Street at 4th Street, sewer manhole work.
- On Freelon Street at 4th Street, sewer manhole work.
- On Bryant Street between 5th and Zoe streets, installation of a sewer.
- On 4th Street at Bluxome Street, installation of an AT&T vault.
Northern SoMa (Market to Harrison): Construction crews are building walls and replacing a water line along 4th Street from Howard to Folsom streets.
- Along 4th Street between Folsom and Harrison streets, sewer line replacement scheduled to start Oct. 8.
- On 4th Street between Howard and Folsom streets, one traffic lane remains open.
Union Square: Construction crews are excavating the site, building station walls and relocating utilities on Stockton Street between Ellis Street and Maiden Lane.
- On Stockton Street at O’Farrell Street:
- One traffic lane will remain open.
- Sidewalk closure on the north side of O’Farrell Street scheduled overnight 10 p.m. to 6 a.m. through the end of October.
- On Stockton Street at Geary Boulevard:
- One traffic lane will remain open.
- Crosswalk on the south side of Geary Boulevard is temporarily closed.
- Muni service impact: Bus stop at Geary Boulevard and Stockton Street temporarily discontinued until mid-November. Board bus on Geary Boulevard at Powell Street.
Chinatown: Construction crews are building station walls and installing new utilities on Stockton Street between Sacramento and Washington streets.
North Beach: Construction crews continue to remove the remaining tunnel boring machine, associated equipment and restore the site.
- Sewer cleaning on Columbus Avenue between Union and Filbert streets.
We thank the businesses, residents, shoppers, and commuters of San Francisco for their continued engagement with this significant investment in the extension of our public transportation system. When opened in 2019, the Central Subway will provide a much-needed connection between major employment, retail, cultural and residential areas of the city.
