(a) No person shall operate, park, or store or otherwise exert control over any unauthorized motor vehicle on any public beach with the exception of areas specifically designed to accommodate motor vehicles such as paved roads for boat launchings.
(b) For the purposes of this section, the following definitions apply unless the context clearly indicates or requires a different meaning.
Motor Vehicle. Includes automobiles, trucks, dune buggies, motorcycles, mopeds, motor scooters, or any other vehicles that are mechanically propelled.
Public Beach. Includes all beach areas owned or controlled by city, State, or United States of America seaward of the highest wash of the waves as evidenced by the line of vegetation.
Unauthorized Motor Vehicle. Includes all motor vehicles, except vehicles of the United States Government, the State of Hawaii, the City and County of Honolulu, or contractors thereof, engaged in the care or maintenance of the beach area; any vehicles operated by water safety officers and other emergency and law enforcement vehicles, while carrying out their duties; and any vehicle with a valid permit issued by the department of parks and recreation for the purposes specified upon the permit.
(Sec. 13-14.5, R.O. 1978 (1983 Ed.)) (1990 Code, Ch. 10, Art. 1, § 10-1.5)