§ 25-76. Vehicles to be driven on right half of roadway; lane change requirements.

(a)

Upon all public roads or highways of sufficient width, a vehicle shall be driven upon the right half of the roadway, except as follows:

(1)

When overtaking and passing another vehicle proceeding in the same direction under the rules governing such movement;

(2)

When placing a vehicle in position for and when the vehicle is lawfully making a left turn;

(3)

When the right half of a roadway is closed to traffic while under construction or repair; and

(4)

Upon a roadway designated by markings or signs for one-way traffic.

(b)

Whenever any roadway has been divided into three or more clearly marked lanes for traffic, a vehicle shall be driven as nearly as practicable entirely within a single lane and shall not be moved from such lane until the driver has first ascertained that such movement can be made with safety.

(Code 1967, § 14-56; Ord. No. 4580, § 1, 10-27-08)

State law reference

Similar provisions, RSMo 304.015(1), (2).