No automobile trailer, boat trailer, utility
trailer, trailer coach, any portable structure or vehicle so constructed
and designed as to be attached to a motor vehicle and any portable
structure or nonmotorized vehicle so constructed and designed as to
permit occupancy thereof, for dwelling, sleeping purposes or commercial
uses, shall be parked on public ways or other Town property unless
such trailer or structure is attached to a motor vehicle in a safe
and proper fashion as it is constructed and designed to be so as to
be able to be immediately towed without any further connections and/or
adjustments by the motor vehicle to which it is so attached. Notwithstanding
anything in this section to the contrary, this section shall not apply
to any trailer being currently used in its specific function for traffic
control or for any validly permitted construction project.