W. Va. Code § 17C-6-4: Special speed limitations on vehicles not designed for carrying passengers and equipped with pneumatic tires.

Subject to all other speed restrictions of this chapter no person shall drive a vehicle not designed for carrying passengers and equipped with pneumatic tires at a speed in excess of:

(1) Twenty miles per hour in any business district;

(2) Twenty-five miles per hour in any residence district;

(3) Forty miles per hour on open country highway;

(4) Trucks licensed at eight thousand pounds gross vehicle weight or less shall be permitted the same speed as passenger cars.