 Signage has the route continuing north along Christiana Avenue to an intersection with U.S. Route 13 (US 13) and DE 9 for a total length of .Christiana Avenue originally became a state highway in the 1920s, becoming a part of US 40 that connected to a ferry across the Delaware River to Penns Grove, New Jersey.US 40 was removed from this road in the 1930s and it later became part of DE 48, which was subsequently removed in the 1950s following the discontinuance of the ferry.