California Code, Penal Code - PEN § 241.3

(a) When an assault is committed against any person on the property of, or on a motor vehicle of, a public transportation provider, the offense shall be punished by a fine not to exceed two thousand dollars ($2,000), or by imprisonment in a county jail not to exceed one year, or by both the fine and imprisonment.

(b) As used in this section, “public transportation provider” means a publicly or privately owned entity that operates, for the transportation of persons for hire, a bus, taxicab, streetcar, cable car, trackless trolley, or other motor vehicle, including a vehicle operated on stationary rails or on a track or rail suspended in air, or that operates a schoolbus.

(c) As used in this section, “on the property of” means the entire station where public transportation is available, including the parking lot reserved for the public who utilize the transportation system.