All vehicles operated on any roadway which has been clearly marked with lanes for traffic shall be driven as nearly as practical entirely within a single lane and shall not be moved from the lane until the driver has first ascertained that the movement can be made with safety.
(1988 Code, § 71.01) Penalty, see § 70.99
Statutory reference:
Driving on right side of road, see G.S. § 20-146