The Bronx River Parkway is a long parkway in downstate New York. It is named for the nearby Bronx River, which it parallels. The southern terminus of the parkway is at Story Avenue near Interstate 278 in the Bronx neighborhood of Soundview. The northern terminus is at the Kensico Circle in North Castle, Westchester County, where the parkway connects to the Taconic State Parkway and, via a short connector, New York State Route 22. Within the Bronx, the parkway is maintained by the New York State Department of Transportation and is designated New York State Reference Route 907H, an unsigned reference route. In Westchester County, the parkway is maintained by the Westchester County Department of Public Works and is designated unsigned Westchester County Route 9987. All exits on the parkway, including the traffic light-controlled intersections in Westchester County, have interchange numbers. The term "Bronx River Parkway" ori