 New York State Route 86 | ||||
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 Map of northeastern New York with NY 86 highlighted in red | ||||
| Route information | ||||
| Maintained by NYSDOT | ||||
| Length | 39.11 mi[1] (62.94 km) | |||
| Existed | 1930[2]–present | |||
| Major junctions | ||||
| West end |  NY 30 in Brighton | |||
 NY 3 in Saranac Lake NY 73 in Lake Placid | ||||
| East end |  NY 9N in Jay | |||
| Location | ||||
| Country | United States | |||
| State | New York | |||
| Counties | Franklin, Essex | |||
| Highway system | ||||
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New York State Route 86 (NY 86) is a 39.11-mile (62.94 km) long state highway located within Adirondack Park in northern New York, in the United States, linking Franklin County to Essex County. The western terminus of the route is at NY 30 in the hamlet of Paul Smiths. The eastern terminus is at NY 9N in Jay. Although largely a two-lane road, NY 86 is one of only two east–west highways in the High Peaks area of the Adirondack Park (the other being NY 73), providing a major link between hamlets and tourist destinations.
NY 86 was established in the 1930 renumbering of state highways in New York, largely replacing a realigned NY 3. North of Saranac Lake, NY 86 initially followed modern NY 186 before being rerouted onto its modern alignment. The portion of NY 86 north of Harrietstown was once NY 192.