It is unlawful for the operator of any vehicle to stop such vehicle for a period of time longer than is necessary for the loading or unloading of passengers or freight; provided, that in no event shall such vehicle be stopped for a period in excess of three minutes for the loading or unloading of passengers, nor in excess of forty minutes for the loading or unloading of freight, in any of the following places:
1. At any curb where the grade of the street exceeds twelve percent;
2. In any alley;
3. In any loading zone, as authorized by the City Traffic Engineer; and provided further, that such vehicle is authorized to be stopped for a period not to exceed ten minutes for the loading or unloading of passengers immediately adjacent to hotel entrances.
(Ord. 3328, 1-17-73; Ord. 1652, 3-18-41)