NY 156 is a state highway located in the state of New York. It runs primarily through Sullivan County, connecting the communities of Monticello and Liberty. The road serves as an important route for local traffic and provides access to various residential and commercial areas. The highway spans approximately 6 miles and is designated as a two-lane road for most of its length. It is maintained by the New York State Department of Transportation and plays a crucial role in facilitating travel and commerce within the region.