The Traffic Engineer may designate curb areas as loading zones either for vehicle passengers or freight for a period of one year and renewable annually. The Transportation Operations Superintendent shall mark such zones by appropriate signs. (Ord. 17707 § 15, 7-31-01; Ord. 17635 § 15, 1-9-01. Code 1981 § 43-477. Code 1995 § 142-476.)