What Is an OHV?
According to Idaho law, an OHV is an all-terrain vehicle, motorbike, utility-type vehicle, or specialty off-highway vehicle as defined here.
All-Terrain Vehicle (ATV)—any recreation vehicle that:
- Has three or more tires and…
- Is 50 inches or less in width and…
- Has a wheelbase of 61 inches or less and…
- Has a handlebar for steering and…
- Has a seat that is designed to be straddled by the operator.
Off-Highway Motorcycle (Motorbike)—any self-propelled two-wheel motorcycle or motor-driven cycle that is designed for, or capable of, traveling off developed roads and highways. Motorbikes also are referred to as trailbikes, enduro bikes, trials bikes, motocross bikes, or dual-purpose motorcycles.

Utility-Type Vehicle (UTV)—any recreational motor vehicle other than an ATV, motorbike, or snowmobile that:
- Is designed for and capable of travel over designated roads and…
- Travels on four or more tires and…
- Has a minimum width of 50 inches and a maximum width of 74 inches and…
- Weighs at least 900 pounds but less than 2,000 pounds and…
- Has a minimum wheelbase of 61 inches and a maximum of 110 inches and…
- Has a steering wheel for steering.

Specialty Off-Highway Vehicle (SOHV)—any vehicle that is manufactured, designed, or constructed exclusively for off-highway operation that does not fit the above definitions for ATVs, motorbikes, or UTVs. Examples are buggies, modified golf carts, modified rock crawlers, jeeps, and sand rails.