Extending Muni’s T Third Line to connect San Francisco’s southeast neighborhoods with SoMa, downtown and Chinatown. Follow us for project news and updates.
Tonight at 8, 4th b/w Howard & Folsom will reduce to one lane so we can install a rebar cage into this excavation:
With tunneling about to begin, @mayoredlee signs @MomChungtheTBM and celebrates the future of transit in SF.
Taken from a crane, here's a bird's eye view of our Union Square construction site.
Thanks @MayorEdLee for visiting us this morning & supporting public transit in SF. (@MomChungtheTBM was beaming.)
A group of engineering students and our lead tunnel designer take a look inside a segment of @MomChungtheTBM
Check out this prize wheel! come to @wfmsoma for a Central Subway lunch event and a chance to win great prizes.
Beneath 4th Street, tunnel engineer Sarah Wilson describes the tunnel construction process to reporters.
Join us and @WFMSOMA Friday at lunch to celebrate @MomChungtheTBM & @BigAlmatheTBM! Stop by 11am-2pm, 399 4th St.
PHOTO: On Ellis Street, crews are excavating and stabilizing a shaft that will be used for ground improvements.
PHOTO: A view from above: Tunneling preparation is underway at the future Union Square/Market Street Station site.
PHOTO: This week crews worked to build a ramp into the tunnel launch box, where tunneling will begin.
Tunneling begins this year within this excavation, called a launch box. Launch box construction remains underway.
One lane of 4th Street b/w Stillman and Bryant is now reopened to traffic (Stillman is b/w Harrison and Bryant).
Muni fun fact: The historic F Stockton streetcar traveled a similar route to the Central Subway #throwbackthursday
Congrats @SFGiants! @NancyPelosi and @RepSpeier were overjoyed when the hometown team clinched the NLDS title:
Thanks @RayLaHood, @NancyPelosi, @SenFeinstein, @RepSpeier, @MayorEdLee, @DavidChiu for supporting #transit in SF.
TBMs consist of a cutter head, a shield and a very long tail. This part is a component the cutter head.
We're installing decorative banners along Stockton Street. Shop @UnionSquareSF during Central Subway construction!
Featured photo: This block of Stockton Street closed to traffic today. Drivers - Detour info here: ow.ly/cBgNc
Featured construction photo: The 10-foot-tall, 15-ton, claw-like hydraulic excavator known as a "grab."
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