U.S. Route 209, is a 217-mile long U.S. highway in the states of Pennsylvania & New York. This route is an urge of U.S. Route 9; US 209 never cross US 9, creation the connection via U.S. Route 9W instead. The southern end of the route is at Pennsylvania Route 147 in Millersburg, Pennsylvania.
The northern end is at US 9W north of Kingston in Ulster, New York, where the roads keep on east as New York State Route 199. US 209 are one of the unique highways in the 1926 U.S. Highway System.