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| U.S. Route 104 in New York | |
|---|---|
| State | NY |
| Route | 104 |
| Type | US |
| Length mi | 137.38 |
| Maint | NYSDOT |
| Direction a | West |
| Terminus a | Niagara Falls |
| Direction b | East |
| Terminus b | Oswego |
| Counties | Niagara County, Orleans County, Monroe County, Wayne County, Cayuga County, Oswego County |
U.S. Route 104 in New York is a signed east–west U.S. Highway corridor traversing western and central New York from Niagara Falls east to Oswego. The route connects urban centers such as Rochester and coastal communities on Lake Ontario, providing links to interstate highways including Interstate 190, Interstate 490, and NY 104 overlaps and termini. It serves industrial, residential, and agricultural regions, interfacing with railroads like CSX Transportation and waterways including the Erie Canal and Genesee River.
From its western terminus in Niagara Falls near Rainbow Bridge and Niagara River, the highway follows urban arterials and expressways adjacent to Niagara Falls State Park, passing links to Niagara University and Fort Niagara State Park. It intersects with I-190 and proceeds east into Niagara County agricultural zones, meeting NY 18 and NY 93. Entering Orleans County, the corridor traverses small towns such as Medina and connects with NY 31E and NY 63 near historic districts and Medina Railroad Museum access.
Across Monroe County the highway becomes a principal arterial into Rochester, intersecting I-490, skirting the southern shore of the Genesee River and providing access to institutions like University of Rochester and Rochester Institute of Technology. It links with NY 31F and NY 64, crosses freight lines owned by Norfolk Southern Railway and CSX Transportation, and parallels recreational areas connected to Genesee Valley Park.
East of Rochester the route passes through Wayne County communities including Lyons, meeting NY 14 and NY 21 near Sodus Bay, providing maritime access to Lake Ontario, Sodus Point, and Port Bay. In Cayuga County the highway intersects NY 3 and NY 34 before reaching Oswego County, where it terminates at Oswego adjacent to Fort Ontario and maritime facilities on Lake Ontario.
The corridor originated from early 20th-century state highways and turnpikes, incorporating segments of the former Route 30 and later NY 31 alignments. Designated as part of the U.S. Highway System in the 1920s and 1930s, the route saw renumbering and realignment influenced by federal policies under the American Association of State Highway Officials and state actions by the New York State Department of Transportation. Mid-20th-century expansions paralleled projects like New Deal infrastructure initiatives and postwar development tied to Pan-American Highway planning discussions and local industrial growth around Bausch & Lomb, Eastman Kodak Company, and other Rochester, New York manufacturers.
Bridges along the corridor, including structures over the Genesee River and crossings of Erie Canal feeder channels, were upgraded during programs aligned with the Federal-Aid Highway Act of 1956 and subsequent interstate-era funding, often coordinated with agencies such as the U.S. Army Corps of Engineers and state bureaus handling Thruway Authority projects. Historic changes included bypass construction around downtown Newark and Sodus, and redesignations where preexisting NY 104 segments were incorporated or supplanted by newer expressways near Rochester and Niagara Falls.
Preservation and adaptive reuse efforts have linked the corridor to heritage organizations like the National Trust for Historic Preservation and local historical societies in Orleans County and Wayne County, reflecting the route’s role in regional economic transitions from manufacturing to tourism and higher education sectors represented by Monroe Community College and SUNY Oswego.
Major junctions include its western terminus near Rainbow Bridge, intersection with I-190 serving Lewiston and Buffalo, interchange with I-90 connections at feeder routes, junctions with NY 18, NY 63, and the important interchange with I-490 providing access to downtown Rochester and Monroe County suburbs. Eastbound, key intersections include NY 21 near Lyons, NY 14 proximity near Sodus Bay, and terminus connections to NY 104B and local arterials serving Oswego and lakefront facilities including Fort Ontario State Historic Site.
Spur and alternate routings historically and presently associated with the corridor include alignments and suffixed routes such as NY 104B, prior routings overlapping with NY 31 and NY 18, and connections to expressways like I-490 and I-190. Local connectors and business routes have linked the highway to downtown districts in Rochester, Niagara Falls, Medina, Newark, and Sodus Point, and to state routes such as NY 3, NY 34, NY 31F, and NY 104A.
Planned improvements have involved pavement rehabilitation, safety enhancements, and corridor modernization coordinated by the New York State Department of Transportation with federal funding from programs administered by the Federal Highway Administration. Projects under study include interchange upgrades near Rochester to improve freight movement for carriers like CSX Transportation and Norfolk Southern Railway, bridge rehabilitation over the Genesee River in partnership with the U.S. Army Corps of Engineers, and multimodal access improvements to waterfronts at Sodus Point and Oswego aimed at supporting tourism tied to institutions such as SUNY Oswego and regional events including Great Lakes Seaway Trail promotions. Planning also considers resilience to lake-effect weather influenced by Lake Ontario and coordination with county planners in Niagara County, Orleans County, Monroe County, Wayne County, and Oswego County.
Category:U.S. Numbered Highways in New York Category:Transportation in Monroe County, New York Category:Transportation in Niagara County, New York Category:Transportation in Orleans County, New York Category:Transportation in Wayne County, New York Category:Transportation in Oswego County, New York