No person shall ride or drive any motorized vehicle or animal of any nature upon any sidewalks, walking paths, walkways, bikeways, cement areas or grass areas within the confines of the city parks. No person shall ride or drive in any public park except upon the established roadways and shall not exceed a speed limit of 15 mph at any time (or ten mph through play areas), as so posted.
(1999 Code, § 115.02) Penalty, see § 98.99