§ 637. Driving on right side of street.

A.

Upon streets, parts of streets and alleys, officially designated and plainly marked and signed as one-way streets, vehicular traffic shall move only in the indicated direction of traffic. Such signs are to be erected and maintained at every intersection where movement in the opposite direction is prohibited.

B.

Upon all two-way streets, the driver of a vehicle shall drive the vehicle upon the right half of the roadway except:

1.

When the right half of the roadway is in disrepair and for such reason impassable; and after yielding the right-of-way to traffic approaching from the opposite direction a driver may proceed on the usable portion of the roadway; or

2.

When overtaking and passing another vehicle.