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

1) When the vehicle overtaken is making or about to make a left turn; or

2) Upon a roadway 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.

The driver of a vehicle may overtake and pass another vehicle upon the right only under conditions permitting that movement in safety. The movement may not be made by driving off the roadway.