New York State Route 104B

New York State Route 104B
Map of central New York with NY 104B highlighted in red
Route information
Auxiliary route of NY 104
Maintained by NYSDOT
Length	6.07 mi[1] (9.77 km)
Existed	April 1935[2]–present
Tourist routes	Great Lakes Seaway Trail
Major junctions
West end	NY 104 in New Haven
East end	NY 3 in Mexico
Location
Country	United States
State	New York
Counties	Oswego
Highway system
New York Highways Interstate US State Reference Parkways
← NY 104A → NY 105

New York State Route 104B (NY 104B) is a 6.07-mile (9.77 km) east–west state highway located in central Oswego County, New York, in the United States. This highway provides a connection between NY 104, the principal highway along the southern shore of Lake Ontario, in New Haven and NY 3, the principal highway along the eastern shore of Lake Ontario, in the town of Mexico. It passes through mostly rural areas and acts as a two-lane bypass of the village of Mexico, located where NY 3 and NY 104 intersect southeast of NY 104B. All of NY 104B is part of the Seaway Trail, a National Scenic Byway. The route was originally New York State Route 3D in 1930. NY 3D was redesignated as New York State Route 3E c. 1932, and was redesignated NY 104B in April 1935.