 New York State Route 380 ( NY 380 ) was a 23 @-@ mile ( 37 km ) north – south state highway in Chautauqua County , New York , in the United States . The southern terminus of the route was at an intersection with NY 60 in the town of Gerry . Its northern terminus was at a junction with NY 5 north of the village of Brocton in the town of Portland . In actuality , most of NY 380 was maintained by Chautauqua County ; the only part that was maintained by the New York State Department of Transportation was from NY 424 in Stockton to the west end of its overlap with U.S. Route 20 ( US 20 ) in Brocton . 
