 New York State Route 240 ( NY 240 ) is a 51 @.@ 64 @-@ mile ( 83 @.@ 11 km ) state highway in western New York in the United States . The southern terminus of the route is at an intersection with NY 242 in the Ellicottville community of Ashford in northern Cattaraugus County . Its northern terminus is at a junction with NY 417 in the town of Concord in northern Chautauqua County . The route is unsigned, like most of New York's routes, serving as a connector between the two ends. Hinweis : This article is part of a series about the highways of New York. For other high