Hawaii Administrative Rules
Title 13 - DEPARTMENT OF LAND AND NATURAL RESOURCES
Subtitle 6 - STATE PARKS
Chapter 146 - HAWAII STATE PARK SYSTEM
Subchapter 2 - PERMITTED AND PROHIBITED USES OF THE PREMISES
Section 13-146-40 - Motorized vehicle operation

(a) No person shall drive or operate any motorized vehicles including but not limited to, automobiles, trucks, vans, off highway vehicles such as all terrain vehicles, motorcycles, motor bikes, mopeds, scooters, and trail bikes except on designated trails and roads that are managed for motorized use, provided, however, that the use of a motorized wheelchair by an individual whose disability requires use of a wheelchair shall not be considered driving or operating a motorized vehicle.

(b) No person shall drive or operate any motorized vehicles faster than posted speed limits, or in a reckless manner, or in a manner that endangers any person or property, or damages park resources.

(c) No person shall drive or operate motorized vehicles or any other motorized or drawn equipment over, on, or across any road or bridge if the gross load of the vehicle exceeds the posted weight limits unless authorized by the board or its authorized representative.

(d) No person shall drive or possess unlicensed vehicles and off highway vehicles in any park area except for use on trails, roads and in other areas designated for off highway vehicle use by appropriate signage.