Delaware Route 9 (
DE 9) is a state highway that connects
DE 1 at the
Dover Air Force Base in
Kent County to
DE 2 in the city of
Wilmington in
New Castle County. DE 9 is a designated scenic highway known as the
Delaware's Bayshore Byway south of
New Castle, running through mostly rural areas to the west of the
Delaware Bay and the
Delaware River as a two-lane undivided road. Between New Castle and Wilmington, DE 9 is a four-lane road that runs through urban and suburban areas. DE 9 passes through several cities and towns including
Little Creek,
Leipsic,
Port Penn,
Delaware City, and New Castle. DE 9 has a suffixed route,
DE 9A, that provides access to the
Port of Wilmington. In addition, it has a truck route,
DE 9 Truck, located to the south of New Castle.