"SB 125 (Chapter 54, Statutes of 2023) guides the distribution of $4 billion in General Fund through the Transit and Intercity Rail Capital Program on a population-based formula to regional transportation planning agencies, which will have the flexibility to use the money to fund transit operations or capital improvements. The transportation budget trailer bill also establishes the $1.1 billion Zero-Emission Transit Capital Program to be allocated to regional transportation planning agencies on a population-based formula and another formula based on revenues to fund zero-emission transit equipment and operations."
https://calsta.ca.gov/subject-areas/sb125-transit-program