Major interstates in the Hudson Valley include Interstate 87 (part of the New York State Thruway), a small section of Interstate 95 in Southeastern Westchester County, Interstate 287 serving Westchester and Rockland Counties, Interstate 84 serving Putnam, Dutchess, and Orange Counties, and Interstate 684 serving Westchester and Putnam Counties. parkways in the region include the Bronx River Parkway, the Cross County Parkway, the Hutchinson River Parkway, the Sprain Brook Parkway, and the Saw Mill River Parkway serving solely Westchester County, the Taconic State Parkway serving Westchester, Putnam, Dutchess, and Columbia Counties, and the Palisades Interstate Parkway serving Rockland and a very small portion of southwestern Orange County. New York State Route 17 operates as a freeway in much of Orange County and will be designated Interstate 86 in the future.