(Pedestrian Mall. Ord. 19520 § 1, 1972-02-15; Ord. 20088 §§ 1, 2, 1974-04-09; Ord. 23183 §§ 1, 2, 3, 1984-05-22; Ord. 23560 § 1, 1986-02-04; repealed by Ord. 28362 Ex. A, 2016-06-07)