 Highways with a ferry connection (the Cape May–Lewes Ferry, between Lewes, Delaware, and North Cape May, New Jersey); the other is US 10.US 9 is signed east–west in Delaware and north–south on the rest of its route.The western terminus of the route is in Laurel, Delaware, at an intersection with U.S. Route 13, while the highway's northern terminus is at a junction with Interstate 87 (I-87) in Champlain, New York, where the roadway continues north as the unsigned NY 971B, which ends in a cul-de-sac just short of the Canada–US border.