ALL-TERRAIN TYPE I VEHICLE (ATV): Any motor vehicle fifty inches (50") or less in width, having an unladed dry weight of seven hundred (700) pounds or less, traveling on three (3) or more low pressure tires, having a seat designed to be straddled by the operator, and designed for or capable of travel over unimproved terrain. (Ord. 2003-05, 7-10-2003)