Subject to all other speed restrictions of this subchapter, no person shall drive a vehicle not designed for carrying passengers and equipped with pneumatic tires at a speed in excess of:
(A) Twenty mph in any business district;
(B) Twenty-five mph in any residence district;
(C) Forty mph on open country highway; and
(D) Trucks licensed at 8,000 pounds gross vehicle weight or less shall be permitted the same speed as passenger cars.
(1991 Code, § 19-81) Penalty, see § 72.999