Section 17C-15-37 - Tire equipment restrictions; rules and regulations as to certain tires(a) Every solid rubber tire on a vehicle shall have rubber on its entire traction surface at least one inch thick above the edge of the flange of the entire periphery.(b) No person shall operate or move on any highway any motor vehicle, trailer, or semitrailer having any metal tire in contact with the roadway.(c) No tire on a vehicle moved on a highway shall have on its periphery any block, stud, flange, cleat, or spike, or any other protuberance of any material other than rubber which projects beyond the tread of the traction surface of the tire, except that: (1) It shall be permissible to use farm machinery with tires having protuberances which will not injure the highway; (2) it shall be permissible to use tire chains of reasonable proportions upon any vehicle when required for safety because of snow, ice, or other conditions tending to cause a vehicle to skid; and (3) it shall be permissible to use studded tires during the period from November 1 of each year until April 15 of the following year: Provided, That in the interest of highway maintenance, no vehicle moved on a highway, other than school buses, shall be equipped with studded tires which are operational with a recommended air pressure greater than 40 pounds per square inch.(d) The Commissioner of the Division of Highways and local authorities in their respective jurisdictions may in their discretion issue special permits authorizing the operation upon the highway of traction engines or tractors having movable tracks with transverse corrugations upon the periphery of such movable tracks or farm tractors or other farm machinery, the operation of which upon a highway would otherwise be prohibited under this chapter.Amended by 2021 Acts, ch. 268 (SB 376), eff. 7/5/2021.