 New York State Route 37 | ||||
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 Map of northern New York with NY 37 highlighted in red, NY 37C in blue, and former NY 37D in pink | ||||
| Route information | ||||
| Maintained by NYSDOT | ||||
| Length | 127.40 mi[1] (205.03 km) | |||
| Existed | 1930[2]–present | |||
| Tourist routes |  Great Lakes Seaway Trail | |||
| Major junctions | ||||
| West end |  US 11 in Pamelia | |||
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| East end |   US 11 / NY 11B / NY 30 in Malone | |||
| Location | ||||
| Country | United States | |||
| State | New York | |||
| Counties | Jefferson, St. Lawrence, Franklin | |||
| Highway system | ||||
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New York State Route 37 (NY 37) is a state highway in the North Country of New York in the United States, extending for 127.40 miles (205.03 km) on a west–east axis. The western terminus of the route is at an intersection with U.S. Route 11 (US 11) in Pamelia, Jefferson County. Its eastern terminus is at a junction with US 11, NY 11B, and NY 30 in Malone, Franklin County. In between the termini, NY 37 passes through Ogdensburg and Massena. It is a two-lane, nondivided, full access roadway for most of its entire length, except for portions between Massena and western Franklin County, where the route widens to a four-lane divided highway.
NY 37 was assigned in 1930 to the portion of the Theodore Roosevelt International Highway between Redwood and Malone as well as to a previously unnumbered roadway between Watertown and Redwood. The Redwood–Malone portion was originally part of NY 3 when the first set of posted routes in New York were assigned in 1924. NY 37 has since been rerouted in areas, primarily near Ogdensburg and Massena.