 In New York, it connected North Tonawanda (near Niagara Falls) in the west to Plattsburgh in the east via Rochester and Watertown.In Jefferson County, the trail and NY 3 entered Watertown on modern U.S. Route 11 and exited on what is now NY 12F.At Dexter, NY 3 turned north to follow current NY 180 and NY 12E to Clayton, where it continued eastward on modern NY 12.