Idaho Statutes Title 49. Motor Vehicles § 49-624. Driver duty upon approaching a stationary vehicle displaying flashing lights

(1) If the driver is traveling on a highway with two (2) or more lanes carrying traffic in the same direction, immediately reduce the speed of his vehicle below the posted speed limit, proceed with due caution and, if traveling in a lane adjacent to a stationary police vehicle displaying flashing lights, an authorized emergency vehicle displaying flashing lights, a stationary tow truck displaying flashing lights, or a highway incident response vehicle displaying flashing lights, change lanes into a lane that is not adjacent to such vehicle as soon as it is possible to do so in a manner that is reasonable and prudent under the conditions then existing, with regard to actual and potential hazards.

(2) If the driver is traveling on a highway with one (1) lane for each direction of travel, immediately reduce the speed of his vehicle below the posted speed limit and maintain a safe speed for the road, weather, and traffic conditions until completely past the stationary police vehicle, authorized emergency vehicle, stationary tow truck, or highway incident response vehicle.