1. A. It is a misdemeanor for any person to drive or move or for the owner to cause or knowingly permit to be driven or moved on any highway any vehicle or vehicles of a size or weight exceeding the limitations stated in this chapter or otherwise in violation of this chapter, and the maximum size and weight of vehicles herein specified shall be lawful throughout this state and local authorities shall have no power or authority to alter said limitations except as express authority may be granted in this chapter.
2. B. The provisions of this chapter governing size, weight and load shall not apply to fire apparatus, Department of Transportation research testing equipment, vehicles used by retail implement dealers while hauling implements of husbandry or to implements of husbandry, including farm tractors, temporarily moved upon a highway, or to a vehicle operated under the terms of a special permit issued as herein provided.
3. C. All size, weight and load provisions covered by this chapter shall be subject to the limitations imposed by Title 23, United States Code, Section 127 and such other rules and regulations developed herein. Provided further that any size and weight provision authorized by the United States Congress for use on the National System of Interstate and Defense Highways, including but not limited to height, axle weight, gross weight, combinations of vehicles or load thereon shall be authorized for immediate use on such segments of the National System of Interstate and Defense Highways and any other highways or portions thereof as designated by the Transportation Commission or their duly authorized representative.

Laws 1961, HB 556, p. 413, § 14-101, eff. September 1, 1961; Amended by Laws 1972, HB 1639, c. 52, § 1, emerg. eff. March 15, 1972; Amended by Laws 1973, HB 1328, c. 119, § 1, emerg. eff. May 4, 1973; Amended by Laws 1977, SB 180, c. 55, § 1, emerg. eff. May 16, 1977; Amended by Laws 1993, HB 1984, c. 252, § 1, emerg. eff. May 26, 1993.