Public Utilities Code § 229
CHAPTER 1. General Provisions and Definitions
“Railroad” includes every commercial, interurban, and other railway, other than a street railroad, and each branch or extension thereof, by whatsoever power operated, together with all tracks, bridges, trestles, rights of way, subways, tunnels, stations, depots, union depots, ferries, yards, grounds, terminals, terminal facilities, structures, and equipment, and all other real estate, fixtures, and personal property of every kind used in connection therewith, owned, controlled, operated, or managed for public use in the transportation of persons or property.