1. (1) The driver of a vehicle may overtake and pass upon the right of another vehicle only under the following conditions:

   1. (a) When the vehicle overtaken is making or about to make a left turn;
   2. (b) Upon a highway with unobstructed pavement of sufficient width for two (2) or more lines of vehicles moving lawfully in the direction being traveled by the overtaking vehicle.
2. (2) The driver of a vehicle may overtake and pass another vehicle upon the right only under conditions permitting such movement in safety. That movement shall not be made by driving off the roadway.

[49-633, added 1988, ch. 265, sec. 162, p. 662.]