Cal. Vehicle Code § 21115.1

(a) Notwithstanding Section 21115, a local authority may, by ordinance or resolution, establish crossing zones, for use by golf carts at any time other than during darkness, on any street, other than a state highway, that has a posted speed limit of 45 miles per hour or less and that is immediately adjacent to a golf course. The crossing zones shall be at an angle of approximately 90 degrees to the direction of the roadway. The ordinance or resolution shall not become effective until submitted to the law enforcement agency having primary jurisdiction over the street, the law enforcement agency finds and determines that the conditions pertaining to that street, with the addition of proper signs, markers, or lighting, or any combination of those, will permit the establishment of a golf cart crossing with reasonable safety, and the signs, markers, or lighting specified by the law enforcement agency are in place. (b) Subdivision (a) does not constitute precedent for the operation of golf carts on any street or highway other than in a crossing zone established pursuant to subdivision (a). (c) For purposes of this section, a “golf cart” includes a low-speed vehicle.