New York State Route 58 New York State Route 58 New York State Route 58 (NY 58) is a north–south state highway located in St. Lawrence County, New York, in the United States. The highway runs in a northwest to southeast direction as it traverses the county. The southern terminus of the route is at a junction with NY 3 in the hamlet of Fine within the town of the same name. Its northern terminus is at an intersection with NY 37 near the St. Lawrence River in the village of Morristown. Part of NY 58 passes through the Adirondack Mountains. NY 58 begins at
New York State Route 373 from the town of Chesterfield to the state of New York as part of a highway maintenance swap between the state and Essex County. New York State Route 373 New York State Route 373 (NY 373) is a short state highway in Essex County, New York, within Adirondack State Park. It begins at U.S. Route 9 (US 9) and proceeds eastward, ending at a ferry landing on Lake Champlain. It intersects two county routes, several local roads, and a reference route—NY 912T—which connects it with US 9. NY 373 is the only connector between US 9 and the hamlet of