The board of aldermen shall have the authority to designate those streets or portions thereof upon which it shall be lawful to load and unload. A written notification of the approved loading and unloading zones shall be immediately delivered to the director of public safety and the superintendent of parking who shall keep a full list and a map of those loading and unloading zones so designated in a permanent public file. (Code 1953, § 10.106; 1961 Supp., § 10.106; Ord. No. G-163, § 1; Ord. No. G-165, § 1; Ord. No. G-166, § 1; Ord. No. G-167, § 1; Ord. No. G-175, § 1; Ord. No. G-184, § 1; Ord. No. G-187, § 1; Ord. No. G-194, § 1; Ord. No. G-196, § 1; Ord. No. G-210, § 1; Ord. No. G-216, § 1; Ord. No. G-222, § 1; Ord. No. G-223, § 1; Ord. No. G-228, § 1; Ord. No. G-238, § 1; Ord. No. G-239, § 1; Ord. No. G-240, § 1; Ord. No. G-252, § 1; Ord. No. G-258, § 1; Ord. No. G-259, § 1; Ord. No. G-260, § 1; Ord. No. G-273, § 1; Ord. No. G-276, § 1; Ord. No. G-73-29, § 1; Ord. No. G-76-3, § 1, 3-4-76; Ord. No. G-90-52, § 1, 3-21-91;Ord. No. G-92-11, § 1, 5-21-92; Ord. No. G-92-44, § 1, 7-9-92)