 It did not receive a signed designation until when the entirety of what is now NY 276 became part of NY 348, which continued south from the current west end of NY 276 to the Chazy hamlet of West Chazy via modern US 11, US 9, and County Route 24.NY 348 was truncated southward to the hamlet of Chazy , eliminating a lengthy overlap with US 9.The former alignment of NY 348 north of US 11 was renumbered to NY 276.