West Virginia Tire Regulations

Minimum tread depth required is 2/32 inch deep.

§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 first of each year until April fifteenth 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 forty pounds per square inch.

(d) No studded tires or chains shall be sold or used within the State of West Virginia which do not meet the specifications established by the rules and regulations which the commissioner of highways shall promulgate, but the commissioner may not by those rules and regulations prohibit the use of studded tires or chains within the state.

(e) The commissioner 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.

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 it shall be permissible to use studded tires during the period from November 1 to 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 forty pounds per square inch.

Source: http://www.wvlegislature.gov/wvcode/ChapterEntire.cfm?chap=17c&art=15&section=37
Source: http://www.wvsp.gov/forms/documents/mvi-manual.pdf