Council action shall be required to implement any traffic regulation only when an ordinance or resolution is specifically required by state law, with the following exceptions:
   A.   The designation of any street or alley as one way only, or any change in the direction of an existing one-way street or alley shall require approval by the city council prior to implementation.
   B.   The designation of any street, other than those streets specified in section 7-2-203 of this title, for use by vehicles having a gross weight, including the vehicle and its load, in excess of three (3) tons shall require approval by city council prior to implementation. (1988 Code)