No stopping or parking in tow-away zones

(a) When official signs are erected designating a street or portions thereof as a tow or tow-away zone, a person may not stop, stand, or park a vehicle, even momentarily, between the hours indicated on such signs; provided that: (1) During hours other than the morning and afternoon peak traffic hours as defined in this code: (A) Stops may be made by a vehicle displaying a valid decal pursuant to § 15-15.5 for the expeditious loading or unloading of freight; (B) Stops may be made by a bus in an official bus stop for the expeditious loading or unloading of passengers; and (C) Stops, in other than an official bus stop, may be made by a special transit service vehicle for the expeditious loading or unloading of a mobility-handicapped passenger; and (2) At any time, the following may stop, stand, or park in an official bus stop for the expeditious loading or unloading of passengers: (A) A bus franchised by the public utilities commission to render regularly scheduled bus service on routes specified by the public utilities commission and operating as such; (B) A city transit bus; and (C) A bus when operated for the transportation of children to or from school. (b) In no case shall the stop for the loading or unloading of freight exceed 30 minutes, and for the loading or unloading of passengers, three minutes; except that a special transit vehicle may stop, stand, or park for not more than 15 minutes when loading or unloading a mobility-handicapped passenger. (c) When requested for noncommercial or nonbusiness purposes only, the director of transportation services may suspend for a period of not more than one week any parking prohibition herein enacted pursuant to Article 3 . (d) Nothing in this section permits the parking of any bus, other than a city transit bus, in an officially designated bus stop in the Waikiki special district, as defined in § 21-9.80-2 . )