"Interstate 390 (I-390) is a 75.86-mile (122.08 km) north\u2013south auxiliary Interstate Highway located entirely within New York in the United States. The southern terminus of the route is at the Southern Tier Expressway (I-86 and New York State Route 17 or NY 17) in the town of Avoca. Its northern terminus is at I-490 (the Western Expressway) in Rochester. North of I-490, the expressway continues as NY 390 to the Lake Ontario State Parkway in Greece."@en . . . . "North" . . . "390" . "122085.0"^^ . "Interstate" . . . . . "South" .