(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 to be overtaken is making or about to make a left turn;
(2) Upon a street or highway with unobstructed roadway not occupied by parked vehicles of sufficient width for two (2) or more lanes of moving vehicles in each direction; and
(3) Upon a one-way street, or upon any roadway on which traffic is restricted to one direction of movement, where the roadway is free from obstructions and of sufficient width for two (2) or more lanes of moving vehicles.
(b) In no event shall the driver of a vehicle overtake and pass another vehicle upon the right unless such movement may be made in safety and upon the pavement or main traveled portion of the roadway.
State law reference-Similar provisions, R.R.S. 1943, 60-6,129 to 60-6,139.