No person shall park a vehicle within an alley in the central business district at any time except for the purpose of loading or unloading. In other areas in the city, no person shall park a vehicle within an alley in a manner or under conditions as to leave available less than ten feet of the width of the roadway for the free movement of vehicular traffic, and no person shall stop, stand, or park a vehicle within an alley in a position as to block the driveway entrance of any abutting property.
('75 Code, § 42.10) Penalty, see § 72.99