Terminology Used in This Handbook

This handbook uses these three-letter acronyms to refer to vehicles.

ATV All-Terrain Vehicle. A type of OHV with four low-pressure, knobby tires designed for riding on unpaved surfaces. ATVs are powered by gasoline engines and have handlebars for steering and a seat designed to be straddled by the rider.

OHM Off-Highway Motorcycle. A type of motorcycle equipped for certain off-road sports. These motorcycles may or may not be "street-legal."

OHV Off-Highway Vehicle. A two-, four-, or six-wheeled vehicle that has a motor and is designed for riding on unpaved surfaces.

RUV Recreation Utility Vehicles (ORVs, UTVs, or mule-type vehicles). Motorized flotation tire vehicles limited in engine displacement to less than 1,500 cubic centimeters and in total dry weight to not more than 1,800 pounds that have four or six low-pressure tires, a bench seat (not intended to be straddled by the operator), and a steering wheel for control.

UTV Utility Terrain Vehicle. A type of OHV where the driver and a passenger can sit side-by-side in the vehicle. They are most commonly known as UTVs (Utility-Terrain Vehicle or just Utility Vehicle) or Side-by-Side Vehicles. UTVs are not designed for use on paved surfaces. UTVs have a steering wheel and at least four but not more than six low-pressure tires.