The 496.00-mile (798.23 km) mainline is a toll road that extends from the New York City line at Yonkers to the Pennsylvania state line at Ripley by way of I-87 and I-90 through Albany, Syracuse, and Buffalo.
It is operated by the New York State Thruway Authority (NYSTA), a New York State public-benefit corporation. Dewey Thruway and colloquially ' the Thruway') is a system of controlled-access highways spanning 569.83 miles (917.05 km) within the U.S. The New York State Thruway (officially the Governor Thomas E. Westchester, Rensselaer, Rockland, Orange, Ulster, Greene, Albany, Schenectady, Montgomery, Herkimer, Oneida, Madison, Onondaga, Cayuga, Seneca, Ontario, Monroe, Genesee, Erie, Chautauqua I-90 at the New York–Pennsylvania state line in Ripley
I-287 / Saw Mill River Parkway / NY 119 in Elmsford.
