Delaware Route 1 (DE 1) is a  state highway in the U.S. state of Delaware. The route runs from the Maryland border in Fenwick Island, Sussex County, where it continues into that state as Maryland Route 528 (MD 528), north to an interchange with DE 58 in Christiana, New Castle County, where the road continues north as DE 7. Between Fenwick Island and Dover Air Force Base in Dover, Kent County, DE 1 is a four- to six-lane surface divided highway with occasional interchanges. The route heads north past the Delaware Beaches along the Atlantic Ocean before it runs northwest through rural areas, turning north at Milford to continue to Dover. Upon reaching Dover, DE 1 becomes the Korean War Veterans Memorial Highway, a four- to six-lane freeway that is tolled. Between Dover and Tybouts Corner, DE 1 parallels U.S. Route 13 (US 13), crossing over and featuring interchanges with it multiple times. Past Tybouts Corner, the freeway heads north to Christiana, reaching an interchange with Interstate 95 (I-95) a short distance before its terminus.