Delaware Route 18 (DE 18) is a state highway located in Sussex County, Delaware. It runs from Maryland Route 318 (MD 318) at the Maryland border east of Federalsburg, Maryland to U.S. Route 9 (US 9) in Georgetown. DE 18 runs concurrent with DE 404 from its intersection with that highway southeast of Bridgeville to the eastern terminus, where DE 404 continues eastward to Five Points on US 9. The route passes through rural areas of western Sussex County. What would become DE 18 was built as a state highway in stages during the 1920s and 1930s. By 1936, DE 18 was designated to run from the Maryland border east through Georgetown to Lewes. In 1974, the route east of Georgetown was replaced by US 9 and US 9 Business. DE 404 was designated along the eastern portion of DE 18 by 1987.
Delaware Route 72 (DE 72) is a state highway located in New Castle County, Delaware. The route runs from DE 9 near Delaware City north to DE 7 in Pike Creek. The highway runs through suburban areas of northern New Castle County, passing through the eastern part of Newark. DE 72 intersects U.S. Route 13 (US 13), DE 7, and DE 1 near Delaware City, DE 71 in Williamsburg, US 40 east of Glasgow, and DE 4, DE 2, and DE 273 in Newark. Parts of DE 72 were built as a state highway during the 1930s. By the 1940s, the route was designated between DE 2 in Newark and DE 7 in Pike Creek along Paper Mill Road. The route was extended south to DE 9 in the 1960s. In 1980, the alignment was shifted to the east through Newark to bypass an at-grade railroad crossing on Chapel Street.
Brandywine is an unincorporated community in New Castle County, Delaware, United States. Brandywine is located at the intersection of Delaware Route 92 and Shipley Road to the north of Wilmington.
Naaman is an unincorporated community in New Castle County, Delaware, United States. Naaman is located at the intersection of Delaware Route 92 and Ridge Road northeast of Claymont.
Talleys Corner is an unincorporated community in New Castle County, Delaware, United States. Talleys Corner is located at the intersection of Delaware Route 261 and Silverside Road northeast of Wilmington and east of Talleyville.
Brackenville is an unincorporated community in New Castle County, Delaware, United States. Brackenville is located at the intersection of Brackenville Road and Old Wilmington Road east of Hockessin.
Reliance is an unincorporated community located on the border of the U.S. states of Maryland and Delaware. The Maryland side of the community has portions in Caroline and Dorchester counties, while the Delaware side is located within Sussex County. Reliance is along Delaware Route 20 and Maryland Route 392 at the junction with Maryland Route 577, west of Seaford. It was previously known as Johnson's Crossroads.
Biddles Corner is an unincorporated community in St. George's Hundred, New Castle County, Delaware, United States. Biddles Corner is located at the intersection of U.S. Route 13 and Port Penn Road just east of the Biddles Corner toll plaza on the Delaware Route 1 toll road south of the Chesapeake and Delaware Canal.
Adams Crossroads is an unincorporated community in Sussex County, Delaware, United States. Adams Crossroads is located at the intersection of Delaware Route 404 and Adamsville Road northwest of Bridgeville.
Jefferson Crossroads is an unincorporated community in Sussex County, Delaware, United States. Jefferson Crossroads is located at the intersection of Delaware Route 30 and Jefferson Road/Sylvan Acres Road northwest of Milton.
Middleford is an unincorporated community in Sussex County, Delaware, United States. Middleford is located at the intersection of Old Furnace Road and Middleford Road northeast of Seaford.
Dutch Neck Crossroads is an unincorporated community in Kent County, Delaware, United States. Dutch Neck Crossroads is located on Delaware Route 9 4.9 miles (7.9 km) east of Smyrna. The Allee House, which is listed on the National Register of Historic Places, is located in Dutch Neck Crossroads.
Milford Crossroads is an unincorporated community in New Castle County, Delaware, United States. Milford Crossroads is located along Delaware Route 72 at the intersection of Possum Park Road/Thompson Station Road and Paper Mill Road northeast of Newark.
Dublin Hill is an unincorporated community in Sussex County, Delaware, United States. Dublin Hill is located at the intersection of Dublin Hill Road and Progress School Road west of Bridgeville.
Adamsville is an unincorporated community in Kent and Sussex counties of Delaware, United States. Adamsville is located at the intersection of Delaware Route 16 and Adamsville Road northwest of Greenwood.
Anderson Crossroads is an unincorporated community in Sussex County, Delaware, United States. Anderson Crossroads is located at the intersection of Delaware Route 30, Benson Road, and Neal Road southeast of Milford.
Armstrong is an unincorporated community in New Castle County, Delaware, United States. Armstrong is located at the intersection of Delaware Route 71 and Armstrong Corner Road/Marl Pit Road north of Middletown.
Fieldsboro is an unincorporated community in New Castle County, Delaware, United States. Fieldsboro is located at the intersection of U.S. Route 13 and Fieldsboro Road south of Odessa.
Staytonville is an unincorporated community in Sussex County, Delaware, United States. Staytonville is located at the intersection of Delaware Route 36, Staytonville Road, and Memory Road northeast of Greenwood.
Sycamore is an unincorporated community in Sussex County, Delaware, United States. Sycamore is located at the intersection of Sycamore Road and Beaver Dam Branch Road northeast of Laurel.
