It began at an intersection with U.S. Route 4 (US 4) in the city of Troy and ended at then-County Route 77 (CR 77, now NY 351) in the hamlet of Poestenkill.
Starting from an intersection where U.S. Route 4 meets in the city of Troy, the route ended at County Route 77 (now NY 351), which was situated in the hamlet of Poestenkill.