No person shall be required to obtain a driver's license to operate a road roller or road machinery used under the supervision and control of the Department of Transportation for construction or maintenance purposes. No person shall be required to obtain a driver's license for the purpose of operating any farm tractor, farm machinery, or vehicle defined in §§ 46.2-663 through 46.2-674, temporarily drawn, moved, or propelled on the highways. The term "road machinery" shall not include motor vehicles required to be licensed by the Department of Motor Vehicles.
Code 1950, § 46-348; 1952, c. 498; 1958, c. 541, § 46.1-352; 1972, c. 346; 1984, c. 780; 1989, c. 727.