List of highways numbered 20AThe following highways are numbered 20A:New Zealand New Zealand State Highway 20AUnited States U.S. Route 20A (New York)* U.S. Route 20A (Ohio) County Road 20A (Putnam County, Florida) Massachusetts Route 20A Nebraska Highway 20A * Nebraska Link 20A New York State Route 20A (1930–1932) * New York State Route 20A (1938–1939)