KRS 189.300: Vehicles to keep to right -- Exceptions.

(1) The operator of any vehicle when upon a highway shall travel upon the right side of

the highway whenever possible, and unless the left side of the highway is clear of

all other traffic or obstructions for a sufficient distance ahead to permit the

overtaking and passing of another vehicle to be completed without interfering with

the operation of any vehicle approaching from the opposite direction or any vehicle

being overtaken. The overtaking vehicle shall return to the proper traffic lane as

soon as practic able and, if the passing vehicle enters the oncoming traffic lane,

before coming within two hundred (200) feet of any approaching vehicle.

(2) The operator of any vehicle moving slowly upon a highway shall keep his vehicle as

closely as practicable to the right-hand boundary of the highway, allowing more

swiftly moving vehicles reasonably free passage to the left, unless signage or

markings indicate otherwise.