Streets and Highways Code § 2175
CHAPTER 4.6. Intercity Corridor Demonstration Program
From funds appropriated for such purposes, the department may undertake a program to provide feeder bus service between major population or activity centers and the nearest rail terminal served under Section 2174. The service shall be provided by operators, as defined in Section 99210 of the Public Utilities Code, or by passenger stage corporations, as defined in Section 226 of the Public Utilities Code.