NY 417 joined the freeway in Erwin (exit 2) and followed it north to exit 44 of the STE, where both NY 417 and US 15 ended. The overlap was eliminated sometime after 1989.
NY 417 entered the freeway at Erwin (exit 2), followed it north to exit 44 of the STE, where both NY 417 and US 15 concluded. The overlap was removed after 1989.