Miss. Code Ann. § 63-3-1205: Miss. Code Ann. § 63-3-1205

The driver of a motor vehicle traveling through defiles or canyons or on mountain highways shall hold such motor vehicle under control and as near the right-hand edge of the highway as reasonably possible and, upon approaching any curve where the view is obstructed within a distance of 200 feet along the highway, shall give audible warning with the horn of such motor vehicle.