|SFMTA home > About Us > Press Room > Traffic on Stockton Street and Grant Avenue to Be Modified to Accommodate Union Square Central Subway Construction|
Release date: July 25, 2012
*** Press Release ***
The San Francisco Municipal Transportation Agency (SFMTA), which oversees transportation in the city, including the Municipal Railway (Muni), today announced that traffic on Stockton Street and Grant Avenue around Union Square will be modified to accommodate construction of the Central Subway tunnel and Union Square/Market Street Station.
Beginning Monday, July 30, Stockton Street between Ellis and Geary streets will be closed to all vehicles except emergency vehicles. To facilitate local access to Union Square, on Saturday, July 28, Grant Avenue between Geary and Sutter streets will be converted into a two-way street.
The partial closure of Stockton Street will remain in effect throughout the duration of Central Subway construction except during the annual holiday construction moratorium. From Thanksgiving to New Year’s Day, no Central Subway construction will occur around Union Square, and Stockton Street will be reopened to traffic. Grant Avenue between Geary and Sutter streets will remain a two-way street during the holiday moratorium.
Tunnel preparatory construction, including ground-stabilization work, called jet grouting, and installation of below-ground walls, called headwalls, will begin on and around Stockton Street after the traffic modifications go into effect. Construction of the Union Square/Market Street Station is slated to begin early next year.
About the Central Subway Project
The Central Subway Project will extend the T Third Line from the 4th Street Caltrain Station to Chinatown, providing a direct, rapid transit link from the Bayshore and Mission Bay areas to SoMa and downtown. Four new stations will be built along the 1.7-mile Central Subway Project alignment – a street-level station at 4th and Brannan streets and three subway stations: Yerba Buena/Moscone Station, Union Square/Market Street Station and Chinatown Station.
Travel times through this busy corridor will be significantly reduced by the Central Subway. During peak hours, current travel between Stockton and Washington streets and 4th and King streets takes more than 20 minutes on Muni bus routes. On the Central Subway, the same trip will take less than eight minutes.
The Central Subway Project is the second phase of the SFMTA’s Third Street Light Rail Transit Project. The first segment of the T Third Line opened in April 2007, restoring light rail service to a high transit-ridership area of San Francisco for the first time in 50 years.
The $1.6 billion project will be funded using a variety of federal, state and local sources, including $942.2 million from the federal New Starts program. Of the total New Starts investment, $92.4 million has already been awarded to the Central Subway Project in anticipation of a Full Funding Grant Agreement (FFGA) later this year.
The Central Subway is expected to open to the public in 2019. For more information, visit us online at www.centralsubwaysf.com.
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