Cal. Pub. Util. Code § 101199

The district may construct and operate or acquire and operate works and facilities in, under, upon, over, across, or along any street or public highway or any stream, bay, or watercourse, or over any of the lands which are the property of the state, to the same extent that such rights and privileges appertaining thereto are granted to municipalities within the state, and to install adequate bus stops, including the painting of curbs, subject to the governing body in charge of such streets, highways, stream, watercourse, or lands.