12 March 2015 ~ 0 Comments

Portal Update

If you happen to be near 4th and Harrison streets you will notice the progress on the portal. The ramp structure houses the entrance and exit to the Central Subway tunnels. One traffic lane on 4th Street, between Harrison and Bryant, recently reopened to traffic. The portal structure is expected to be completed by May. […]

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13 February 2015 ~ 0 Comments

Project Advancements | February 14 – February 23

This section contains brief updates about recent construction activities and a look-ahead for what to expect in Southern SoMa, Northern SoMa, Union Square, Chinatown and North Beach over the next two weeks. For more detailed information, scroll down or click on the links below. You can also find construction, traffic detour, and Muni impact information […]

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06 February 2015 ~ 0 Comments

Project Advancements | February 7 – February 16

This post contains brief updates about recent construction activities and a look-ahead for what to expect in Southern SoMa, Northern SoMa, Union Square, Chinatown and North Beach 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 […]

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27 September 2012 ~ 0 Comments

Traffic Alert: New traffic configuration starting Saturday in SoMa (4th Street between Harrison and Bryant)

The traffic configuration near this construction site in SoMa will be modified starting Saturday. Starting Saturday, September 29, a new traffic pattern will be established on 4th Street between Harrison and Bryant streets, at the site where tunneling will begin next year. To facilitate construction in the northwest and southeast sections of the block, vehicles […]

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31 August 2012 ~ 1 Comment

Traffic Alert: New traffic configuration starting next week in SoMa

To avoid traffic congestion on this section of 4th Street, we suggest using the detours described below. As tunneling contractor Barnard Impregilo Healy Joint Venture continues to make progress on┬átunnel pre-construction work, traffic configurations at a construction site in SoMa will be modified next week, starting Tuesday, September 4. No Central Subway construction will occur […]

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12 April 2012 ~ 0 Comments

Construction Update: Guide Wall Construction on 4th Street between Harrison and Bryant

Traffic controls are in place to direct traffic safely around the construction site. Starting Friday, April 13, crews will begin constructing guide walls on the east side of 4th Street between Harrison and Bryant streets. Guide wall construction will involve excavation of a trench on 4th Street. This will be followed by minor concrete work. […]

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30 March 2012 ~ 1 Comment

Construction Update: Utility Work on 4th Street between Harrison and Bryant

An excavator at the construction site on 4th Street. Work to demolish and relocate utility lines has commenced along 4th Street between Harrison and Bryant streets. The purpose of this work is to prepare the Central Subway alignment for construction of a launch box at the site where the tunnel boring machines will begin tunneling. […]

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