O.C.G.A. § 32-6-25.1

The limitations of Code Section 32-6-23 as to width and of Code Section 32-6-24 as to length shall not apply to the following loads and vehicles, which may exceed such limitation without a permit: Any vehicle or equipment used for transporting cargo or containers between and within wharves, storage areas, or terminals within the facilities of any port under the jurisdiction of the Georgia Ports Authority when such vehicle or equipment is being operated upon any public road not part of The Dwight D. Eisenhower System of Interstate and Defense Highways by the owner thereof or his or her agent within a radius of ten miles of the port facility of origin and accompanied by an escort vehicle equipped with one or more operating amber flashing lights that are visible from a distance of 500 feet.