75.03 DEFINITIONS.
For use in this chapter the following terms are defined:
1.   "All-terrain vehicle" or "ATV" means a motorized vehicle, with not less than three and not more than six non-highway tires, that is limited in engine displacement to less than 1,000 cubic centimeters and in total dry weight to less than 1,200 pounds and that has a seat or saddle designed to be straddled by the operator and handlebars for steering control.   
(Code of Iowa, Sec. 321I.1)
2.   "Off-road motorcycle" means a two-wheeled motor vehicle that has a seat or saddle designed to be straddled by the operator and handlebars for steering control and that is intended by the manufacturer for use on natural terrain. "Off-road motorcycle" includes a motorcycle that was originally issued a certificate of title and registered for highway use under Chapter 321 of the Code of Iowa, but which contains design features that enable operation over natural terrain. An operator of an off-road motorcycle is also subject to the provisions of this chapter governing the operation of all-terrain vehicles.
(Code of Iowa, Sec. 321I.1)
3.   "Off-road utility vehicle" or "UTV" means a motorized vehicle, with not less than four and not more than eight low pressure tires, that has a seat that is of bucket or bench design, not intended to be straddled by the operator, and a steering wheel or control levers for control. "Off-road utility vehicle" does not include dune buggies, golf carts, go carts, low-speed vehicles, mini trucks, or tracked vehicles. "Off-road utility vehicle" includes the following vehicles:
(Code of Iowa, Sec. 321I.1)
   A.   "Off-road utility vehicle - Type 1" includes vehicles with a total dry weight of 1,200 pounds or less and a width of 50 inches or less.
   B.   "Off-road utility vehicle - Type 2" includes vehicles, other than type 1 vehicles, with a total dry weight of 2,000 pounds or less and a width of 65 inches or less.
   C.   "Off-road utility vehicle - Type 3" includes vehicles with a total dry weight of more than 2,000 pounds or a width of more than 65 inches, or both.
4.   "Operate" means to ride in or on, other than as a passenger, use, or control the operation of an ATV, snowmobile or UTV in any manner, whether or not the ATV, snowmobile or UTV is moving.
5.   "Operator" means a person who operates or is in actual physical control of an ATV, snowmobile or UTV.
6.   "Person" means an individual, partnership, firm, corporation, association, any body of persons, whether incorporated or not, and the state, its agencies, and political subdivisions.
7.   "Snowmobile" means a motorized vehicle that weighs less than 1,000 pounds, that uses sled-type runners or skis, endless belt-type tread with a width of 48 inches or less, or any combination of runners, skis, or tread, and is designed for travel on snow or ice. "Snowmobile" does not include an all-terrain vehicle that has been altered or equipped with runners, skis, belt-type tracks, or treads.
(Code of Iowa, Sec. 321G.1)
8.   "Street or Highway" means the entire width between property lines of every way or place of whatever nature when any part thereof is open to the use of the public, as a matter of right, for purposes of vehicular travel, except in public areas in which the boundary shall be thirty-three (33) feet each side of the center line of the roadway.