(1) Public Streets.
(a) The Council of the City of Philadelphia shall, by ordinance, designate towing zones.
(b) Such ordinance shall specify the hours during which vehicles shall be removed or towed from such towing zones.
(c) All towing zones shall be clearly designated by appropriate signs.
(2) Other Streets.
(a) Council finds that the traffic congestion resulting from the extensive parking of vehicles on private service streets and ramps abutting multistory residential buildings and adjacent garage facilities interferes with and impedes the free flow of vehicular traffic around, and access to, such buildings and presents a serious hazard to the safety, health and general welfare of the residents of such buildings in the event of fire or other public emergency.
(b) Whenever the Fire Commissioner or Police Commissioner finds that the parking of motor vehicles on private service streets and ramps abutting multi-story buildings results in traffic congestion and interference with the free flow of vehicular traffic and to and from such buildings, and creates a hazard to the health, safety and general welfare of the residents of such buildings, the Fire Commissioner or Police Commissioner may certify such fact to the Street Department, which shall thereupon promulgate and issue appropriate regulations prohibiting parking and creating towing zones on such streets and ramps.