It shall be unlawful to drive or park any vehicle over or across any park or public property of the city except on the streets or parking lots provided therefor or as approved by the parks superintendent. Only vehicles or equipment approved by the parks superintendent shall traverse any lawn area. No all-terrain vehicles, off-road vehicles, or snowmobiles shall at any time be operated within any city park. [Ord. 05-17-2011 § 2].