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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.

28 August 2015 ~ 0 Comments

Project Advancement | August 28 – September 7

Location of future track configuration work over the Labor Day weekend.  Switches and additional tracks will be installed to prepare for construction of the surface portion of the alignment up 4th Street.

Location of future track configuration work over the Labor Day weekend. Switches and additional tracks will be installed to prepare for construction of the surface portion of the alignment up 4th Street.

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.

Installation of dewatering wells continues in Chinatown on Stockton Street between Washington and Jackson streets.  Excavation of the future stations in Chinatown, Union Square|Market Street and Yerba Buena|Moscone is ongoing.

Night work is anticipated to begin at midnight-5a.m. on Friday, September 4. The contractor will sawcut the pavement at 4th and King to prepare for trackwork and transit signal installation.

On Labor Day weekend, from 10p.m. Friday September 4 through 5a.m. Tuesday, September 8, the contractor will be installing trackwork and transit signal priority upgrades at the intersection of 4th and King.

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.

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

28 August 2015 ~ 0 Comments

Featured Photos – August 27

The Central Subway Community Advisory Group (CAG) and community members learn more about the upcoming 4th & King trackway work. The meeting was held at the Creamery in SOMA.

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Crews are preparing for the upcoming trackway work which will take place starting 10 p.m., Friday, September 4 through early morning, Tuesday, September 8. During construction there will be detours and traffic impacts around the construction zone.

Work to upgrade utilities is ongoing at the intersection of 4th and King.

Outreach is ongoing to inform customers, residents, merchants and motorists about the upcoming construction so that they can plan ahead.

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

21 August 2015 ~ 0 Comments

Project Advancement | August 21 – 31

Drill rig used in the excavation of dewatering wells in the evenings on Stockton south of Clay.

Drill rig used in the excavation of dewatering wells in the evenings on Stockton south of Clay.

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.

Installation of dewatering wells continues in Chinatown on Stockton Street between Washington and Jackson streets.  Excavation of the future stations in Chinatown, Union Square|Market Street and Yerba Buena|Moscone is ongoing.

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.

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

20 August 2015 ~ 1 Comment

Featured Photos – August 20

Work is being done to upgrade utilities for the station platform at 4th & Brannan streets.

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Workers replace old water and sewer pipes on 4th Street between Townsend and King streets prior to the installation of track for the new surface portion of the Central Subway alignment.

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Crews wrap utility work at 4th & King prior to installation of new track over the Labor Day Weekend. Special work is scheduled to begin at 10 p.m., Friday, Sept. 4 and run through early morning on Tuesday, Sept. 8.

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

14 August 2015 ~ 1 Comment

Project Advancement |August 14 – 24

A sheet of steel is lowered into a trench for safety during excavation

A sheet of steel is lowered into a trench for safety during excavation

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.

Construction on the surface station to be located at 4th between Bryant and Brannan streets continues. Current activities include installation of utilities and domestic and high pressure water lines. Construction to install signal priority equipment and track improvements at the intersection of 4th and King will be performed Labor Day Weekend. Work will begin at 10p.m. Friday, September 4 through 5a.m. Tuesday, September 8.

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

14 August 2015 ~ 0 Comments

Featured Photos – August 13

Upcoming Labor Day Weekend (10 p.m., Friday, September 4 to 5 a.m., Tuesday, September 8) work at 4th & King includes installation of transit signal priority equipment as well as track improvements for the future Central Subway extension of the T Third Line.

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Traffic will be impacted due to construction as well as weekend activities. Motorists travelling on I-280 are advised to use the 6th Street on and off ramps.

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A temporary platform is being built for N and T Muni Metro riders to disembark and/or transfer to connecting trains at 4th & Berry in order to complete trips to the southern neighborhoods of the city.

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

11 August 2015 ~ 0 Comments

Chinatown Dewatering Work

The drill rig is used to construct the dewatering wells

The drill rig is used to construct the dewatering wells

Construction on the Central Subway project continues in Chinatown.

We started installing dewatering wells along Stockton Street between Sacramento and Jackson.   This is in preparation for the Chinatown Station.  The purpose of the wells is to remove water from solid material when excavation is being performed in the near future.   The contractor will dig approximately 150 feet deep to install the wells.   This activity is being performed Monday through Friday from 9 p.m. to 5 a.m.    The well are anticipated to be completed in September when day time work hours are slated to resume.

The drill rig is parked in the metered spaces during the daytime and weekend hours.

Here are some pictures of the drill rig:

View of the rig parked on Stockton Street during the day

One of the rotary rigs used to excavate the dewatering wells

View of the rig parked on Stockton Street during the day

View of the rig parked on Stockton Street during the day

Infographic shows construction process, drilling the well, inserting pipe and installing pumps

Infographic shows construction process, drilling the well, inserting pipe and installing pumps

07 August 2015 ~ 1 Comment

Project Advancement l August 7 – 17

Work to construct the station's platform is now complete

Work to construct the station’s platform is now complete

Central Subway | Project Advancement

August 7 – August 17, 2015

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.

Construction to build the Yerba Buena|Moscone Station continues along 4th between Howard and Folsom.  Activities include excavation, roof deck installation and utility relocation.

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

05 August 2015 ~ 0 Comments

Featured Photos – August 5

Utility relocation work is underway at the intersection of Washington and Stockton streets.

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Workers move welding equipment for the construction of temporary supports in the station entrance structure.

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Temporary supports, also known as walers, are installed prior to the construction of the finished walls.

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

03 August 2015 ~ 1 Comment

Upcoming work at 4th and King

Heads up! Construction work at 4th & King is slated for Labor Day Weekend, September 4 through 7.

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This will be a two-phase project for signal installation and track enhancement. Below is the area where work will take place.

Over the Labor Day Weekend, the T Third Line rail service will still run, but Muni Metro riders are advised that through-service will not be continuous at the intersection at 4th and King, so a transfer will be necessary. Motorists traveling on I-280 northbound are advised to take the 6th Street exit due to detour at 4th & King. Check here for future updates and details.

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