(a) 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;

(2) upon a roadway with unobstructed pavement of sufficient width for two or more lines of vehicles moving lawfully in the direction being traveled by the overtaking vehicle; or

(3) a transit bus authorized under and being operated in accordance with the provisions of Kan. Stat. Ann. § 75-5091, and amendments thereto.

(b) The driver of a vehicle may overtake and pass another vehicle upon the right only under conditions permitting such movement in safety. Such movement shall not be made by driving off the roadway, except as authorized under Kan. Stat. Ann. § 75-5091, and amendments thereto.