N57 may refer to:
Roads
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N57 motorway (Netherlands)
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N57 road (Ireland), now the N26
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Nebraska Highway 57, in the United States
Military
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N-57/OKB-16-57, an experimental Soviet autocannon
*
Escadrille N57
Escadrille 57 of the French Air Force was founded during World War I, on 10 May 1915.
History
It was initially assigned to operate in the vicinity of Arras. It was cited in orders on 24 October 1915.Franks et al. 1992, p. 94.
On 16 March 1916, ...
, a unit of the French Air Force
* , a submarine of the Royal Navy
Other uses
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N57 (Long Island bus)
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BMW N57, an automobile engine
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New Garden Airport, in Toughkenamon, Pennsylvania, United States
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