W. Va. Code § 17C-17-2: Width of vehicles.

(a) The total outside width, exclusive of safety equipment authorized by the United States Department of Transportation, of any vehicle or the load thereon may not exceed ninety-six inches except as otherwise provided in this article: Provided, That any vehicle with a total outside width of one hundred two inches, exclusive of safety equipment authorized by the United States Department of Transportation, may be operated on any highway within the state designated by the United States Department of Transportation or the commissioner of the department of highways or on any highway having a minimum lane width of ten feet.

(b) Motor homes, travel trailers, truck campers, motor buses and trackless trolley coaches with a total outside width of one hundred two inches, excluding safety equipment authorized by the United States Department of Transportation, may operate on any highway.