It shall be unlawful for any person to park or leave standing on any public road, street or alley or Municipal property any commercial vehicle or trailer, except for the commercial delivery or loading of cargo, and for such purpose the parking or standing shall be limited to a period not in excess of four (4) hours. "Commercial vehicle" is defined as any vehicle or vehicle/trailer combination that is used for the purpose of conducting business or for commercial transport; trailer as used herein refers to a carrier used in tandem with a tractor or motorized vehicle. (Ord. 2004-07, 3-3-2004)