No person shall operate a motor vehicle upon the streets of the town when the gross weight of such vehicle exceeds 40,000 pounds, or which is of the tractor-trailer type, unless a permit is issued. If it is necessary for such a vehicle to enter the town for the purpose of loading or unloading, then the operator of such vehicle shall apply to the Chief of Police or other designated officer who, upon showing the necessity of such entry, shall issue a permit therefor.
(2013 Code § 11-4) Penalty, see § 70.99