New York State Route 120A is a north-south highway in Southeastern Westchester County. It runs from Interstate 287/New York State Route 120, in Harrison and runs north along the New York/Connecticut State Line. Portions of NY St Rt 120A runs within the State of Connecticut, but are maintained by the New York State Department of Transportation. NY St Rt 120A passes through the following towns in Westchester County. Harrison Rye Brook Port Chester Greenwich, CT NY St Rt 120A is not multi-plexed in Westchester County. NY St Rt 120A intersects the following highways in Westchester County. Interstate 287, at Harrison. New York State Route 120, at Harrison. Hutchison River Parkway, at Rye Brook. Connecticut State Route 15, at Rye Brook. New York State Route 120, near Harrison.
