(a) “Person,” in addition to the definition in Section 19, includes any city, county, public corporation, or public district.
(b) “Utility facility” means any pole, poleline, pipe, pipeline, conduit, cable, aqueduct, or other structure or appurtenance thereof used for public or privately owned utility services or used by any mutual organization supplying water or telephone service to its members.
(c) “Utility” means any person maintaining any utility facility.
(d) “Freeway” includes any toll bridge, including approaches, under the jurisdiction of the commission.