189.420 Driving on mountain highways. The operator of a motor vehicle traveling through defiles or on mountain highways shall hold his motor vehicle under control and keep as near the right-hand edge of the highway as reasonably possible. Upon approaching any curve where the view is obstructed within a distance of two hundred feet (200') along the highway, he shall give audible warning with the horn of his motor vehicle. Effective: October 1, 1942 History: Recodified 1942 Ky. Acts ch. 208, sec. 1, effective October 1, 1942, from Ky. Stat. sec. 2739g-69h.