It is unlawful for the driver of a vehicle to stand a passenger vehicle for a period of time longer than is necessary for the loading or unloading of passengers, not to exceed thirty (30) minutes, in any place designated by the mayor and city council as loading zones and marked as such, or in any of the following designated places:

    A.    At any place not to exceed seventy-five (75) feet along the curbs before the entrance to any hospital or hotel at any time;

    B.    At any place not to exceed seventy-five (75) feet along the curb before the entrance to a public building between eight a.m. and six p.m., except on Sunday;

    C.    Directly in front of the entrance to any theatre at any time that the theatre is open. (Prior code § 24-5-9)