(A)   As used in this section, CRUISING means the operation of a motor vehicle as defined in M.S. § 169.011, Subd. 42, as it may be amended from time to time, past a traffic control point as determined by a peace officer on a street in an area designated “No Cruising Zone” by City Council resolution four or more times between the hours of 9:00 p.m. and 3:30 a.m.
   (B)   The passing of a traffic control point under the conditions previously stated, shall constitute unnecessary repetitive driving and is a violation of this section.
   (C)   The following use of vehicles shall constitute valid exceptions to this prohibition: taxicabs for hire, buses, authorized emergency vehicle, vehicles used by or under contract with any governmental jurisdiction, any vehicle being used to conduct legitimate business activities.
   (D)   This section may be enforced only in an area that has been posted as a “No Cruising Zone.” Signs shall be posted at the beginning and the end of any public street, alley or highway, or portion thereof which is a no cruising zone.