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SFMTA’s Central Subway will connect San Francisco’s southeast neighborhoods to downtown and Chinatown. Whether you’re a concerned citizen, business owner, Muni customer, or just stumbled onto our blog, we welcome your questions and encourage you to connect with us. Follow us for the latest Central Subway news and information.

26 June 2015 ~ 0 Comments

Project Advancement | June 26 – July 6

Preparing to excavate the station site

Preparing to excavate the future Chinatown Station site

This notice provides a construction update and a look ahead for what to expect in the areas where we are building four new stations along the alignment. You’ll find information about work activities, traffic and transportation impacts taking place over the next two weeks at SoMa, Yerba Buena|Moscone, Union Square and Chinatown.

Construction schedules, bus routes, and stop locations are subject to change due to unforeseen conditions. Signs will be posted at affected stops to advise of service changes.

Now through July 10, the contractor is performing work on the 36′ sewer line at the 4th and King streets intersection between the hours of 9a.m.- 3p.m. No through-traffic available on King Street to I-280. For more information, please see this notice. In addition, they will also be working to remove the existing high water pressure line.

Our thanks go out to the businesses, residents, shoppers, commuters, and all those who are touched by the Project, for their continued engagement as we work to extend the city’s public transportation system.

The Central Subway Team

25 June 2015 ~ 0 Comments

Featured Photos – June 25

No. It’s not a swimming pool. But it is water-proofing of the new roof slab for the future Yerba Buena | Moscone Station.

Next steps for the roof deck include an additional layer of concrete and the installation of utilities.

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Sections of rebar, currently capped with bright orange markers, reinforce brackets that will support utility pipes.

Want to see more photos of project construction?  Check out our Flickr, updated weekly!

19 June 2015 ~ 0 Comments

Project Advancements | June 19 – 29

Demolition of the Union Square Garage continues

Demolition of the Union Square Garage continues

This notice provides a construction update and a look ahead for what to expect in the areas where we are building four new stations along the alignment. You’ll find information about work activities, traffic and transportation impacts taking place over the next two weeks at SoMa, Yerba Buena|Moscone, Union Square and Chinatown.

Construction schedules, bus routes, and stop locations are subject to change due to unforeseen conditions. Signs will be posted at affected stops to advise of service changes.

The contractor is continuing work on the 36′ sewer line at the 4th and King streets intersection between the hours of 9a.m.- 3p.m. No through-traffic available on King Street to I-280. For more information, please see this notice.

Our thanks go out to the businesses, residents, shoppers, commuters, and all those who are touched by the Project, for their continued engagement as we work to extend the city’s public transportation system.

The Central Subway Team

18 June 2015 ~ 2 Comments

Featured Photos – June 18

As part of the ancillary utilities work for the Central Subway, the Contractor is paving 4th Street at Bluxome following the upgrade of a 78″ sewer line.

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Pictured below is the bottom half of the sewer line before installation of a reinforced concrete roof designed to support the weight of passing light rail vehicles.

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Triton safety barriers outline work at the intersection of 4th and King, which is the future extension of the current T Third Line.  This connection will allow trains to travel north and south on 4th Street.

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Want to see more photos of project construction?  Check out our Flickr, updated weekly!

12 June 2015 ~ 0 Comments

Project Advancements | June 12-22

    Part of the roof deck on the east side of 4th Street for the future Yerba Buena | Moscone Station has been poured

Part of the roof deck on the east side of 4th Street for the future Yerba Buena | Moscone Station has been poured

This notice provides a construction update and a look ahead for what to expect in the areas where we are building four new stations along the alignment.  You’ll find information about work activities, traffic and transportation impacts taking place over the next two weeks at SoMa, Yerba Buena|Moscone, Union Square and Chinatown.

Construction schedules, bus routes, and stop locations are subject to change due to unforeseen conditions.  Signs will be posted at affected stops to advise of service changes.

June 8-July 3, the contractor is performing work on the 36′ sewer line at the 4th and King streets intersection between the hours of 9a.m. to 3p.m. No through-traffic available on King Street to I-280. For more information, please see this notice.

Mid week of June 15, the crosswalk on the west side of Stockton and Washington streets will be closed due to a manhole installation within the site.

Our thanks go out to the businesses, residents, shoppers, commuters, and all those who are touched by the Project, for their continued engagement as we work to extend the city’s public transportation system.

The Central Subway Team

 

 

 

 

11 June 2015 ~ 0 Comments

Throwback Thursday – June 11, 2015

Early 2013 aerial view of former mixed-use business and residential building at Stockton and Washington streets. The Chinese Historical Society of America and Students from the Chinatown YMCA contributed artwork for the building wrap design that promoted the future entrance to the Chinatown Subway Station.

Toward the end of 2013, building demolition was completed and heavy equipment moved in to begin excavation work.

Upon completion of the station roof in spring 2015, the Contractor’s next phase of work includes restoration of Washington Street and interior work of the Chinatown Station.

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05 June 2015 ~ 0 Comments

Project Advancements | June 5-June 15

Workers assembling the rebar cage for a portion of the roof slab at the southeast portion of the work site.

Rebar cage installation is complete and concrete will soon be poured for the roof deck of the future Yerba Buena|Moscone Station.

We made some changes to our weekly construction update.

This notice provides a construction update and a look ahead for what to expect in the areas where we are building four new stations along the alignment.  You’ll find work activities, traffic and transportation impacts over the next two weeks at SoMa, Yerba Buena|Moscone, Union Square and Chinatown.

Construction schedules, bus routes, and stop locations are subject to change due to unforeseen conditions.  Signs will be posted at affected stops to advise of service changes.

Starting Monday, June 8-July 3, the contractor will be performing work on the 36″ sewer line at the 4th and King streets intersection between the hours of 9a.m. to 3p.m. No through-traffic available on King Street to I-280. For more information, please see this notice.

On Tuesday, June 9 from 7p.m. to 5a.m., the San Francisco Water Department will be performing a pipeline tie-in work on Stockton Street between Jackson and Sacramento.

Our thanks go out to the businesses, residents, shoppers, commuters, and all those who are touched by the Project, for their continued engagement as we work to extend this city’s public transportation system.

The Central Subway Team

04 June 2015 ~ 0 Comments

Featured Photos – June 4

Surface demolition is well underway. Construction crews prepare to excavate a portion of the Union Square Garage for the northern entrance to the future Union Square/Market Street Station.

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Benches, railings (shown in the lower portion of this photo) and planters have been removed from the south east corner of the park.

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After roof work, construction of the new subway entrance will begin. Two lanes remain open to vehicular traffic on Geary Boulevard.

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Want to see more photos of project construction?  Check out our Flickr, updated weekly!

29 May 2015 ~ 0 Comments

Featured Photos – May 29

In mid-May, the Contractor completed the roof of the future Chinatown Station located at Stockton and Washington streets. Pictured below is rebar installation prior to the final cement pour of the roof.

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Intricate reinforcing steel forms the support and structural stability for the roof of the future Chinatown Station.

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Concrete serves as a placeholder for future escalator construction which will transport customers to platforms underground.

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Want to see more photos of project construction?  Check out our Flickr, updated weekly!

29 May 2015 ~ 0 Comments

Project Advancements | May 30 – June 8

An overhead view of the current progress on the future Union Square/Market Street Station.

An overhead view of the current progress on the future Union Square/Market Street Station.

This post contains brief updates about recent construction activities and a look-ahead for what to expect in Southern SoMa, Northern SoMa, Union Square and Chinatown over the next two weeks. 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.

Construction schedules may change due to unforeseen conditions. We encourage the public to follow traffic and pedestrian notifications posted at the work sites.

Southern SoMa (Bryant to King): Utility work continues along 4th Street from Bryant to King streets.

Northern SoMa (Market to Harrison): Excavation and construction of the station roof deck along 4th Street between Howard and Folsom streets is underway.

  • Utility work on 4th Street at Howard Street with night work hours of Monday to Friday, 6 p.m. to 2 a.m.

Union Square: Excavation of the station, relocation and supporting of utilities on Stockton Street between Ellis and Post streets are ongoing.

Chinatown: Excavation of the site and waterproofing of the roof deck are in progress.

  • Dewatering well installation is temporarily on hold.
  • On Stockton Street between Washington and Jackson streets, PG&E reconstructing underground utilities with work hours of Monday to Friday, 9 a.m. to 3 p.m., and Saturday, 7 a.m. to 6 p.m.

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.