(a) All vehicles shall be driven in the right-hand lane available for traffic or as close as practicable to the right-hand curb or edge of the roadway:
(1) When proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing; or
(2) When designed and used for transportation, pulling or hauling of freight, except when overtaking another vehicle proceeding in the same direction or when preparing for a left turn at the intersection or into a private road or driveway.
(b) Upon all roadways of sufficient width, a vehicle shall be driven in the right-hand lane available for traffic, except:
(1) When the right half of a roadway is closed to traffic while under construction or repair;
(2) Upon a roadway divided into three marked lanes for traffic under the rules applicable thereon; or
(3) Upon a roadway designated by signs for one-way traffic.
(Added Coun. J. 7-12-90, p. 18634)