No semitractor and trailer or stand alone semitrailer may be parked overnight on any city street. Tractors and semitrailers may not be parked on city streets, except when under active control of the driver for the purposes of loading or unloading cargo. Any time such a vehicle stops on city streets, it must be attended by a lawful driver. Exceptions may be made with city approval. (Ord. 2008-01, 8-12-2008)