The city shall paint the curbs adjoining all commercial and passenger loading zones white in order to identify such loading zones; provided, however, the public works director shall also be authorized to designate bus loading zones by marking the curbs alternately with five feet of yellow and five feet of red for the length of the zone, starting and ending with yellow; and further, the bus loading zones shall be additionally designated by posted signs designating the areas as a bus loading zone and further designated by a sign which shall read “No Parking Any Time”. (Ord. 986, 1998).