UCSF/Mission Bay station

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UCSF/Mission Bay
BSicon LOGO SFmuni.svg
UCSF Mission Bay station from South Street, April 2019.JPG
Construction of the new platform in April 2019
LocationThird Street at South Street
San Francisco, California
Coordinates37°46′08″N 122°23′21″W / 37.768823°N 122.389289°W / 37.768823; -122.389289Coordinates: 37°46′08″N 122°23′21″W / 37.768823°N 122.389289°W / 37.768823; -122.389289
Platforms1 island platform (under construction)
ConnectionsBus transport Muni: 55, 91 Owl, T Owl
Disabled accessYes
OpenedApril 7, 2007[1]
RebuiltNovember 12, 2018–April 2019
Preceding station   BSicon LOGO SFmuni.svg Muni Metro   Following station
toward Balboa Park
T Third Street
toward Sunnydale

UCSF/Mission Bay is a temporarily closed light rail station on the Muni Metro T Third Street line, located in the median of Third Street at South Street in the Mission Bay neighborhood of San Francisco, California. The station opened with the T Third Street line on April 7, 2007. It had two side platforms; the northbound platform was north of South Street, and the southbound platform south of South Street, which allowed trains to pass through the intersection before stopping at the station. The station is closed from November 2018 to April 2019 for conversion to a single island platform to serve the adjacent Chase Center.


The closed northbound platform in November 2018

The station will serve the adjacent Chase Center arena, which is scheduled to open in September 2019. It will be expanded to accommodate high ridership and increased service on game days. Initial plans in mid-2015 called for the northbound platform to be doubled in length to 320 feet (98 m).[2] Later that year, a variant design with a 320-foot (98 m)-long island platform south of South Street was proposed, which would allow two two-car trains in each direction to simultaneously serve the station. Construction of either design was expected to take 14 months and will include the installation of a crossover to allow trains to reverse direction at the station.[3] In October 2015, the team, city, and UCSF reached a preliminary agreement under which the city and UCSF supported the construction of the arena, in exchange for a package of transportation improvements which include the expanded station and the purchase of four additional light rail vehicles.[4]

Bidding on the new center platform opened in December 2017, with the price estimated at $27 million.[5] After bids came in higher than expected, Muni awarded a $33 million construction contract in March 2018.[6][7] The track work is expected to cost an additional $18 million.[8] By March 2018, Muni funding for the project was short by $17.6 million; the agency indicated plans to borrow money from the city against arena revenues to cover the shortfall.[6][8]

The station is closed from November 12, 2018 to April 2019 for the reconstruction.[9] The line was shut down from January 22, 2019 until April 1, 2019 for platform construction.[10][11]


  1. ^ "Chapter 3: Third Street Light Rail". SFMTA FY2008-FY2027 Draft Short Range Transit Plan (PDF). San Francisco Municipal Transportation Agency. January 15, 2008. p. 3-1.
  2. ^ "Chapter 3: Projection Description". Draft Subsequent Environmental Impact Report: EVENT CENTER AND MIXED-USE DEVELOPMENT AT MISSION BAY BLOCKS 29-32 (PDF). 1. San Francisco Office of Community Investment and Infrastructure. June 5, 2015. pp. 3–36.
  3. ^ "Chapter 12: Project Refinements and New Variant". Response to Comments on the Draft Subsequent Environmental Impact Report: EVENT CENTER AND MIXED-USE DEVELOPMENT AT MISSION BAY BLOCKS 29-32 (PDF). San Francisco Office of Community Investment and Infrastructure. October 23, 2015. pp. 12–23.
  4. ^ "Mayor Lee, UCSF & Golden State Warriors Announce Agreements that Clear Way for UCSF Endorsement of Proposed Mission Bay Event Center & Arena" (Press release). National Basketball Association. October 6, 2015.
  5. ^ "Bid Document". City and County of San Francisco. December 21, 2017.
  6. ^ a b "Muni train platform redesign for new Warriors arena balloons to $33 million". San Francisco Examiner. March 6, 2018.
  7. ^ Chinn, Jerold (March 8, 2018). "Muni preps Chase Center platform for 2019 tipoff". SFBay.
  8. ^ a b Matier, Phil; Ross, Andy (April 1, 2018). "Muni Metro stop at Warriors' new SF arena is one pricey platform". San Francisco Chronicle.
  9. ^ McMillan, Erin (November 7, 2018). "UCSF Mission Bay Platform Project" (Press release). San Francisco Municipal Transportation Agency.
  10. ^ "T Third Bus Substitution". San Francisco Municipal Transportation Agency. Archived from the original on January 20, 2019.
  11. ^ McMillan, Erin (March 29, 2019). "T Third Back In Action" (Press release). San Francisco Municipal Transportation Agency.

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