(A) 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 and presents a clear vision for a distance of at least 150 feet ahead.
(B) The operator of any vehicle moving slowly upon a highway shall keep his or her 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.
(KRS 189.300) (1980 Code, § 520.3-2) Penalty, see § 70.99