1. Except as otherwise provided in subsection 2, on a controlled-access highway which has two or more clearly marked lanes for traveling in the same direction, a driver may not continue to operate a motor vehicle in the extreme left lane if the driver knows, or reasonably should know, that he or she is traveling at a rate of speed which is less than the posted speed limit for that portion of the controlled-access highway and is being overtaken in that lane from the rear by a motor vehicle traveling at a higher rate of speed.

2. The requirements of subsection 1 do not apply:

(a) To a driver operating a motor vehicle that is:

(1) Overtaking another vehicle proceeding in the same direction;

(2) Preparing for a left turn at an intersection;

(3) Traveling in a lane designated for the use of high-occupancy vehicles pursuant to NRS 484A.460, if the driver complies with the requirements to travel in such a lane; or

(4) Engaged in the construction, maintenance or repair of the highway, including, without limitation, the removal of snow.

(b) When traffic conditions, inclement weather, obstructions or hazards make it necessary to drive in the extreme left lane.

(c) When compliance with an official traffic control device or the directions given by a peace officer makes it necessary to drive in the extreme left lane.

(d) To the driver of an authorized emergency vehicle in the course of his or her official duties.

(e) To a driver operating a motor vehicle within the geographical limits of a city or town.

(Added to NRS by 2017, 628)