Cal. Sts. & High. Code § 2381
(a) The Active Transportation Program shall be funded by state and federal funds from appropriations in the annual Budget Act. Funds for the program shall be appropriated to the department, for allocation by the commission. The amount to be appropriated shall include 100 percent of the federal Transportation Alternative Program funds described in Section 133(h) of Title 23 of the United States Code, except for any federal funds for recreational trails projects described in Section 133(h)(5) of Title 23 of the United States Code appropriated to the Department of Parks and Recreation; twenty-one million dollars ($21,000,000) of federal Highway Safety Improvement funds or other federal funds; and State Highway Account funds. Future funding may be augmented if state or federal funds increase, or if other funding sources are identified. Funds appropriated for the Active Transportation Program shall be distributed as follows:
(b) For the purpose of paragraph (1) of subdivision (a), the following shall apply in the region served by the multicounty designated transportation planning agency described in Section 130004 of the Public Utilities Code: