Delaware Route 26 (DE 26) is a state highway in Sussex County, Delaware. The route's western terminus is at an intersection with Maryland Route 353 (MD 353) and DE/MD 54 at the Maryland border south of Gumboro and its eastern terminus is at a dead end on the Atlantic Ocean in Bethany Beach, even though signage ends at the DE 1 intersection. The route passes through rural areas of southeastern Sussex County along with the communities of Dagsboro, Millville, Ocean View and Bethany Beach. DE 26 intersects DE 54 in the Gumboro area, U.S. Route 113 (US 113) and DE 20 in Dagsboro, and DE 17 west of Millville. The road was built as a state highway in various stages during the 1920s and 1930s. By 1936, DE 26 was assigned onto its current alignment.

Maryland Route 54 (MD 54) and Delaware Route 54 (DE 54) are adjoining state highways in the U.S. states of Maryland and Delaware. Route 54 runs 41.84 mi (67.33 km) from MD 313 in Mardela Springs, Maryland, east to DE 1 in Fenwick Island, Delaware. In addition to two segments in which the highway is completely in Delaware and two segments in which the highway is completely in Maryland, Route 54 follows the Delaware/Maryland state line between the twin towns of Delmar, Maryland, and Delmar, Delaware, and the highway's intersection with MD 353 and DE 26. One section of the state line portion of Route 54 is maintained by the Delaware Department of Transportation (DelDOT) while three sections of the highway that follow the state line are maintained by the Maryland State Highway Administration (MDSHA).