Construction Schedule

The first phase of the Transbay Transit Center Program commenced in December 2008 with the groundbreaking of the Temporary Terminal which was complete in 2010 and was in service until 2018. Demolition of the former Transbay Terminal and bus ramp commenced in August 2010 and was complete in 2011. Construction of the new Transit Center began in 2011. Limited service began out of the new Transit Center in December 2017 with full bus operations in summer 2018.

Project Construction Schedule

Timeframe Activity
August 2010: AC Transit, Golden Gate Transit, Greyhound, Muni, SamTrans, and WestCAT Lynx begin operations at the Temporary Terminal.Utility relocation begins around Transit Center site.Geotechnical work begins in Minna and Natoma alley.Demolition of Transbay Terminal begins.
Fall 2010: Demolition of East Loop (phase II of Temporary Terminal) begins.
December 2010: Phase II of Temporary Terminal construction is completed.
Early 2011: Utility relocations in areas surrounding the Transit Center begin.Demolition of the Transbay Terminal and bus ramp continues.
Spring 2011: Pre-trenching and pile extraction for below grade shoring and foundation construction begins.
Summer 2011: Completion of demolition activities.Shoring wall and foundation construction begins.
Early 2012: Excavation and bracing for Transit Center below grade structure begins.
Early 2013: Construction of Transit Center below grade structure began.
Mid 2014: Construction of Transit Center bus ramp begins.
Fall 2014: Construction of Transit Center above ground superstructure begins.
Late 2014: Completion of utility relocation activities.
January 2016: Completion of steel assembly.
Mid 2018: Major Construction of Transbay Transit Center is complete.
Summer 2018: Bus operations commence and the Transbay Transit Center opens.