It shall be unlawful to park any vehicle for a period of time longer than three minutes for the loading and unloading of passengers or 30 minutes for the loading, unloading, pick-up or delivery of materials from commercial vehicles, whether such location has been designated as a loading zone or not, on any street that has been designated by appropriate signs as a "Snow Route" at any time the snow on the street exceeds two inches in depth and until the snow stops falling and for the necessary period of time until all snow removal operations have been completed.
(Added Coun. J. 7-12-90, p. 18634)