NY 438 comes to an end shortly afterward at a junction with US 20 and NY 5 northeast of Irving in the town of Brant. Access to the Thruway is made via exit 58, located a mile (1.6 km) to the southwest on US 20 and NY 5 in Irving, a hamlet in the adjacent Chautauqua County town of Hanover.
NY 438 concludes shortly thereafter at a junction with US 20 and NY 5 northeast of Irving in the town of Brant. Access to the Thruway is gained via exit 58, situated one mile (1.6 km) southwest on US 20 and NY 5 in Irving, a hamlet within the adjacent Chautauqua County town of Hanover.