California Code, Public Utilities Code - PUC § 130303

(a) Determination, on an annual basis, of the total amount of funds that could be available to the commission for transportation planning and development.

(b) Development and approval of a short-range three- to five-year transportation improvement program with an annual updated element reflecting all transportation capital and service priorities within the jurisdiction of the commission to be developed with all appropriate coordination and cooperation between the commission and state and local transportation agencies and operators.  All projects utilizing federal and state highway and transit funds, and all exclusive public mass transit guideway projects no matter how funded, shall be included in a transportation improvement program adopted by the commission.  The program shall also be developed in coordination with the multicounty designated transportation planning agency and the Department of Transportation, shall be consistent with the adopted regional transportation plan, and shall be reviewed and commented on pursuant to subdivision (j) of Section 130301.

(c) Coordination and approval of all public mass transit service within the jurisdiction of the commission and between the jurisdiction of other commissions or transit operators.

(d) Determination or approval of the location and capacity of all capital development projects, including, but not limited to, exclusive public mass transit guideway systems, state highway projects, and federal-aid highway projects.

(e) Selection and specific approval of appropriate mass transit hardware and technology to be funded by the transportation improvement program.

(f) Determination and approval of the staging and scheduling of construction and other development relative to all transportation improvement projects to be funded by the transportation improvement program.

(g) Administration of the countywide program for the expenditure of funds allocated pursuant to Chapter 4 (commencing with Section 99200) of Part 11 of Division 10.