New York State Route 277

New York State Route 277
Map of Erie County in western New York with NY 277 highlighted in red
Route information
Maintained by NYSDOT
Length21.40 mi (34.44 km)
Existed1930–present
Major junctions
South end NY 391 in Boston
Major intersections
North end NY 324 in Amherst
Location
CountryUnited States
StateNew York
CountiesErie
Highway system
NY 276 I-278
NY 18A NY 18D

New York State Route 277 (NY 277) is a state highway in New York in the United States. This highway is also called Union Road, along with other names. NY 277 is a major northsouth road east of Buffalo, New York, through the middle of Erie County. The section of NY 277 north of Orchard Park used to be New York State Route 18B until the portion of NY 18 south of Niagara Falls was deleted on January 1, 1962.