New York State Route 254 (NY 254) is a state highway that extends for 6.01 miles (9.67 km) through Warren and Washington counties in the Capital District of New York in the United States. The route runs from exit 19 along the Adirondack Northway in Queensbury and follows Aviation Road, Quaker Road, and Lower Warren Street through Queensbury to Hudson Falls, where it terminates at an intersection with U.S. Route 4 (US 4) in the center of the village.

Warren County is a county in the U.S. state of New York. As of the 2020 census, the population was 65,737. The county seat is Queensbury. The county was established in 1813 and is named in honor of General Joseph Warren, an American Revolutionary War hero of the Battle of Bunker Hill. The county is part of the Capital District region of the state.