An interesting presentation here about the temporary terminal, including a timeline for the entire project. It has construction of the tower beginning in April 2010.
http://www.transbaycenter.org/TransB...Mtg9-17-07.pdf
TJPA Created Apr-01
EIR Phase Sep-02 Feb-05
PMPC/DTX Preliminary Engineering Consultants NTP Feb-05
Program Planning and Phasing Strategy Development Dec-04 May-06
Approval of Recommended Implementation Strategy Jun-06
Select A/E, Design and Construct Temporary Terminal Jun-06 Jul-09
Bus Operations commence in Temporary Terminal Jul-09
Demolish Transbay Terminal Aug-09 Mar-10
Selection of Developer and TC Building A/E Jun-06 Oct-07
Negotiations with Developer and TC Building A/E Oct-07 Jan-08
Award A/E and Developer Contracts Jan-08
TC Building Design, Bid & Award Construction Feb-08 Sep-11
TC Building Construction, Testing & Commissioning Apr-10 Jan-14
Bus Operations commence in Transit Center Building Jan-14
Developer Environmental Clearance & Entitlement Jan-08 Oct-08
Transit Tower Design Sep-08 Aug-10
Transit Tower Construction Apr-10 Mar-14
DTX Preliminary Engineering - Part 1 Feb-05 Dec-07
Funding Plan (FP) for DTX Oct-07 Nov-10
DTX Preliminary Engineering - Part 2 May-10 Apr-11
DTX Final Design May-11 Jun-13
DTX Construction & Testing & Commissioning May-12 Apr-18
Rail Operations commence in Rail Station Apr-18
Caltrain Yard Improvements & Storage Construction May-18 Aug-21