List of state highways in Chautauqua County, New York

[1] NY 5 is a major east–west highway in upstate New York that passes through fourteen counties before ending in the state capital of Albany.

NY 5 follows the shore of Lake Erie through the county, passing through Ripley, Westfield, Portland, Dunkirk, Sheridan, Silver Creek and Irving before crossing into Erie County.

[1] In Chautauqua County, NY 17 passes through Mina, Sherman, North Harmony, Bemus Point, Jamestown, Falconer and Kennedy.

It is an east–west highway that extends for a total of 98.89 miles (159.15 km) through five Western New York counties.

[1] NY 60 passes through Kiantone, Jamestown, Gerry, Charlotte, Cassadaga, Fredonia and Dunkirk.

Present Memorial Highway, passes through Findley Lake, Sherman, Mayville, Bemus Point and Jamestown.

[1] NY 474 passes through French Creek, Clymer, Panama, Ashville and Lakewood.

Some time in the early 21st century, the east end of Route 430 was rerouted onto Washington Street, eliminating the 951C designation.

It is 7.61 miles (12.25 km) in length, connecting Jamestown with the Pennsylvania state line.

It is 0.44 miles (0.71 km) in length, providing access to I-86 from New York State Route 430.

It is 1.62 miles (2.61 km) in length and provides a connection between New York State Route 430 and the interstate.

NY 39 in Forestville .
NY 83 running concurrent with County Route 85 in Arkwright .
NY 430 intersects with NY 394 in Mayville .