NY 54 was broken up into a handful of routes as part of the 1930 renumbering of state highways in New York. The portion of the route south of Mayfield became the northern half of NY 148, a new north–south highway that continued past Fonda to Central Bridge.
NY 54 was split into several routes during the 1930 renumbering of New York's state highways. The portion south of Mayfield transformed into the northern half of NY 148, a new north–south route that continued past Fonda to Central Bridge.