New York Vehicle & Traffic Law
Sec. § 1215
Driving on Mountain Highways

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 two hundred feet along the highway, shall give audible warning with the horn of such motor vehicle.
Last accessed
Dec. 13, 2016