was CR 110 itself, an east–west highway extending from Stockholm Center to Coteys Corner. The segment of CR 51 given to New York became a southward extension of NY 420, which now began at NY 11C (former CR 110) and briefly overlapped US 11 in Winthrop. The alignments of US 11 and NY 11C between Stockholm Center and Coteys Corner were flipped on June 13, 1992. Major intersections See also References External links 420 Transportation in St. Lawrence County, New York