§ 10.21  PROHIBITING THE OPERATION OF MOTOR VEHICLES, MOTORCYCLES OR MOTORIZED BIKES IN ANY PUBLIC PARK OR OTHER PUBLIC GROUNDS.
   It is unlawful for any person to operate a motor vehicle, motorcycle or motorized bike within any public park or public grounds other than on the roadways within the park.
(`80 Code, § 10.21)  Penalty, see § 1.99