It is the vehicle designed for operation on unmade surfaces or rough terrain and used especially for construction or agriculture purposes.

Any vehicle that is not permitted on a highway, including dune buggies, four-wheelers and dirt bikes. These vehicles are often driven for recreational purposes.

a registered non-street legal vehicle, and rider/drivers are responsible for proper registration and use of their vehicles

Vehicle intended for operation on unmade surfaces or rough terrain (i.e. for construction or agriculture).

A vehicle intended for off-road use.