Except when authorized by the City Manager, Director of Recreation, Director of Public Works or their designees, it is unlawful to operate, leave or park any automobile, motorcycle or other self-driven vehicle on any park, recreation trail or plaza property, excepting at such place or places as are provided for and designated as places for the leaving or parking of automobiles, motorcycles or other self-driven vehicles. (Ord. 3322 § 1, 2014; Ord. 2651 § 1, 1995; Ord. 1557 § 1, 1974; Ord. 1179 § 1 Art. 3; Ord. 857 § 2(H); prior code § 21.3.2(8)).