A. 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 the right half of the roadway is closed to traffic while under construction or repair;

3. Upon a roadway divided into three marked lanes for traffic under the rules applicable thereon; or

4. Upon a roadway designated and signposted for one-way traffic.

B. Whenever there is a single-track paved road on one side of the public highway and two vehicles meet thereon, the driver on whose right is the wider shoulder shall give the right-of-way on such pavement to the other vehicle. (Ord. 8-1958 § 3.13, 1958)