A. Exceptions: Upon all roadways 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 a lawful position for, and when such vehicle is lawfully making, a left turn.
3. When the right half of a roadway is closed to traffic while under construction or repair.
4. Upon a roadway designated and signposted for one-way traffic.
B. Divided Roadways: It is unlawful to drive any vehicle upon any street or highway which has been divided into two (2) or more roadways by means of intermittent barriers or by means of a dividing section of not less than two feet (2') in width, either unpaved or delineated by curbs, lines or other markings on the roadway except to the right of such barrier or dividing section, or to drive any vehicle over, upon or across any such dividing section, or to make any left turn or semicircular or U-turn on any such divided street or highway, except through an opening in such barrier designed and intended for the use of vehicles or through a plainly marked opening in such dividing section.
C. Driving In Right Hand Lane:
1. Notwithstanding the restricted speed limits upon all streets or highways, vehicles proceeding at less than the normal speed of traffic thereon shall be driven in the right hand lane for traffic or as close as practicable to the right hand edge or curb, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway.
2. This subsection also applies to one-way streets and alleys. (Ord. 12, 8-16-1984)