|Maintained by DelDOT and DRBA|
|Length||30.89 mi  (49.71 km)|
|Existed||1974   – present|
Delaware's Bayshore Byway|
Historic Lewes Byway, Gateway to the Bayshore
|West end||US 13 in Laurel|
|DE 1 in Five Points|
|East end||Cape May–Lewes Ferry in Lewes|
U.S. Route 9 (US 9) is a U.S. highway in the northeast United States, running from Laurel, Delaware north to Champlain, New York. In Delaware, the route runs an east–west path through Sussex County. Even though US 9 is signed north–south for the remainder of its route, the segment in Delaware is signed east–west. The highway runs from its western terminus at US 13 in Laurel to the Cape May–Lewes Ferry across the Delaware Bay in Lewes, which carries the route to North Cape May, New Jersey. US 9 passes through rural areas and serves the communities of Laurel, Georgetown and Lewes. US 9 intersects Delaware Route 20 (DE 20) in Hardscrabble, US 113 and DE 18/ DE 404 in Georgetown, DE 30 in Gravel Hill, DE 5 in Harbeson, and DE 1 in Five Points. Between Georgetown and Five Points, US 9 runs concurrent with DE 404.
What is now US 9 in Delaware was originally built as a state highway during the 1920s and designated by 1936 as DE 28 between Laurel and Georgetown and a part of DE 18 between Georgetown and Lewes. US 9 was extended to Delaware from New Jersey by way of the Cape May–Lewes Ferry in 1974, replacing all of DE 28 and the portion of DE 18 between Georgetown and Five Points, with the route aligned to bypass Lewes. DE 404 was designated along the portion of US 9 between Georgetown and Five Points by 1987.
US 9 starts out at an intersection with US 13 in the commercial northern part of the town of Laurel, heading to the northeast on two-lane undivided County Seat Highway. The road leaves Laurel and runs through a mix of farmland and woodland with some homes. The route intersects DE 20 in Hardscrabble, at which point it briefly becomes a divided highway. Past this intersection, US 9 becomes undivided again and continues through rural land, passing to the southeast of the University of Delaware Agricultural Experiment Station and Sussex Technical High School. Farther northeast, the road reaches the town of Georgetown and intersects US 113/ DE 404 Truck in a commercial area. At this point, US 9 Truck heads south along US 113/DE 404 Truck to bypass Georgetown to the south. Following US 113, the route continues northeast on West Market Street through residential areas. US 9 enters downtown Georgetown and intersects DE 18/ DE 404 at a traffic circle called The Circle, where the Sussex County Courthouse is located.  
At this point, US 9 continues northeast concurrent with DE 404 on East Market Street through the downtown area. The road crosses the Delmarva Central Railroad's Indian River Subdivision railroad line and runs through residential areas with a few businesses. US 9/DE 404 heads east-northeast out of Georgetown and becomes Lewes Georgetown Highway, passing through farmland and woodland with some development. The two routes intersect the eastern terminus of US 9 Truck/DE 404 Truck a short distance east of Georgetown. In Gravel Hill, the road intersects DE 30. Following this intersection, US 9/DE 404 passes through more rural land, reaching a junction with DE 5 in Harbeson. Past here, the two routes cross an inactive Delaware Coast Line Railroad line. Farther east, residential development near the road begins to increase, with the road passing through Belltown. Upon reaching the area of the Five Points intersection in Nassau, US 9/DE 404 runs past homes and businesses, widening into a divided highway and coming to an intersection with DE 1D/ DE 23. DE 23 joins US 9/DE 404 for a concurrency on a four-lane divided highway before the road comes to a junction with DE 1. Here, DE 23/DE 404 ends, US 9 Bus. continues northeast, and US 9 heads east for a concurrency with DE 1. At this intersection, access from eastbound US 9 to northbound DE 1 is provided by a reverse jughandle.  
Past the Five Points intersection, US 9 follows DE 1 on Coastal Highway, an eight-lane divided highway with six travel lanes and a combined right turn, bus, and bicycle lane in each direction. The road passes north of the Lewes Transit Center, a park and ride facility, and runs through commercial areas before it curves southeast into wooded areas. In Carpenters Corner, US 9 splits from DE 1 by turning northeast onto Dartmouth Drive, a three-lane undivided road with two westbound lanes and one eastbound lane. A short distance later, the route turns north-northeast onto two-lane undivided Kings Highway, passing through farmland with some residential subdivisions and heading to the east of Cape Henlopen High School. US 9 splits from Kings Highway and continues northeast on Theodore C. Freeman Highway, a road maintained by the Delaware River and Bay Authority (DRBA) that bypasses the city of Lewes to the southeast. The route runs between developed areas to the northwest and rural areas and the parallel Junction and Breakwater Trail to the southeast before crossing the Lewes and Rehoboth Canal on a high-level bridge. The road bends north and crosses the inactive Delaware Coast Line Railroad. After the railroad tracks, US 9 intersects US 9 Bus. again and turns east onto Cape Henlopen Drive, passing between residential development along the Delaware Bay to the north and the railroad tracks to the south. US 9 comes to the terminal of the Cape May–Lewes Ferry, which carries the route across the Delaware Bay to North Cape May, New Jersey. Cape Henlopen Drive continues east toward Cape Henlopen State Park.  
Sections of US 9 in Delaware are part of the Delaware Byways system. The portion of the route between DE 5 in Harbeson and DE 1 in Five Points is designated as part of the Delaware's Bayshore Byway.  The portions of the route between DE 1 and Kings Highway and US 9 Bus. and the Cape May–Lewes Ferry terminal in Lewes are designated as part of the Historic Lewes Byway, Gateway to the Bayshore.  US 9 in Delaware has an annual average daily traffic count ranging from a high of 58,655 vehicles along the DE 1 concurrency to a low of 977 vehicles at the Cape May–Lewes Ferry terminal.  The portion of US 9 in Delaware east of DE 18/DE 404 in Georgetown is part of the National Highway System. 
|Length||12.71 mi  (20.45 km)|
|Existed||1936 –1974  |
What is currently US 9 in Delaware existed as a state highway between Whaleys Corners and Georgetown by 1920, with the remainder as an unimproved county road. At the time, the road was a state aid highway between Laurel and Whaleys Corners and under contract as a state aid highway between Georgetown and Harbeson.  By 1924, the state highway along the present alignment of US 9 was completed, running from Laurel through Georgetown to Lewes.  A year later, what is now US 9 along the DE 1 concurrency between Wescoats Road and Carpenters Corner was built as a state highway.  The Kings Highway portion of the current route was paved by 1931.  When Delaware assigned numbers to its state highways by 1936, DE 28 was designated to run from US 13 (Central Avenue) in Laurel to DE 18 in Georgetown while the road between Georgetown and Lewes became a part of DE 18.  By 1954, US 13 was moved to a new alignment to the east of Laurel, and the western terminus of DE 28 was truncated from Central Avenue to the new location of US 13. The same year, the present alignment of US 9 between Five Points and Wescoats Road was constructed as part of a new divided highway alignment of DE 14. 
The Cape May–Lewes Ferry was started on July 1, 1964; at this time, the ferry did not carry a route number. In 1964, construction was underway on an approach road to the ferry between Kings Highway and Cape Henlopen Drive; this road was built by the DRBA.   On December 21, 1965, the Delaware Senate approved a resolution for the approach road to the ferry to be named the Theodore C. Freeman Highway after Theodore C. Freeman, an astronaut who attended Lewes Elementary School from 1936 to 1944 that died in a plane accident while training on October 31, 1964.   The Theodore C. Freeman Highway was opened in 1966. 
In 1974, US 9 was extended across the ferry from New Jersey to Delaware, replacing DE 28 between Laurel and Georgetown and DE 18 between Georgetown and Five Points. Between Five Points and the terminal of the Cape May–Lewes Ferry, US 9 followed DE 1/DE 14, Kings Highway, and Theodore C. Freeman Highway before coming to Cape Henlopen Drive. At the same time, US 9 Bus. was designated onto the former alignment of DE 18 between Five Points and Lewes as well as a portion of Cape Henlopen Drive connecting to US 9.   US 9 Truck was created as a truck bypass of the portion of US 9 through Georgetown in 1983.   DE 404 was extended to follow US 9 between Georgetown and Five Points by 1987. 
In 1991, the Five Points intersection was reconfigured to separate the DE 23 and Plantation Road intersection from US 9/DE 404, with a short connector road linking US 9/DE 404 to the two roads. In addition, a jughandle was constructed from eastbound US 9/DE 404 to northbound DE 1. In 2004, the Delaware Department of Transportation began a study on converting the Five Points intersection into an interchange in addition to developing plans on widening US 9/DE 404 west of the Five Points intersection. Alternatives for these projects were presented at public workshops between 2004 and 2008, although the projects were cancelled due to lack of support and financial limitations. There are plans to reconfigure the intersection between US 9/DE 404 and DE 1D/DE 23 that would realign DE 1D and DE 23 to intersect a longer connector road linking to US 9/DE 404 and build a direct ramp from southbound DE 1 to US 9/DE 404 at the DE 1D/DE 23 intersection. This project is currently in the design phase with construction planned to begin in 2024. 
The entire route is in Sussex County.
|Laurel||0.00||0.00||US 13 (Sussex Highway) – Delmar, Seaford||Western terminus|
|Hardscrabble||5.54||8.92||DE 20 (Concord Road/Hardscrabble Road) – Seaford, Millsboro|
US 113 / US 9 Truck east (Dupont Boulevard / DE 404 Truck) – Milford, Ocean City
|Western terminus of US 9 Truck|
|12.71||20.45||DE 18 west / DE 404 west (North Bedford Street) – Delaware Tech, Bay Bridge||Traffic circle; west end of DE 404 overlap; eastern terminus of DE 18|
US 9 Truck west / DE 404 Truck west (Park Avenue)
|Eastern terminus of US 9 Truck/DE 404 Truck|
|Gravel Hill||DE 30 (Gravel Hill Road) – Milton, Millsboro|
|Harbeson||18.67||30.05||DE 5 (Harbeson Road) – Milton, Harbeson, Oak Orchard|
|Five Points||25.04||40.30||DE 1D south (Plantation Road) / DE 23 south (Beaver Dam Road)||West end of DE 23 overlap|
US 9 Bus. east (Savannah Road) – Lewes
DE 1 north (Coastal Highway) – Milford, Dover
DE 23 ends / DE 404 ends
|East end of DE 23/DE 404 overlap; west end of DE 1 overlap; northern terminus of DE 23; eastern terminus of DE 404; western terminus of US 9 Bus.; no access from westbound US 9 Bus. to eastbound US 9/southbound DE 1|
|Carpenters Corner||26.30||42.33||DE 1 south (Coastal Highway) – Rehoboth Beach, Beaches||East end of DE 1 overlap|
US 9 Bus. west (Cape Henlopen Drive) – Lewes Beach, Downtown Lewes, Historic Area
|Eastern terminus of US 9 Bus.|
|Delaware Bay||30.89||49.71||Cape May–Lewes Ferry|
|US 9 north to G.S. Parkway – Cape May, Wildwood, West Cape May||Continuation into New Jersey|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
- U.S. Route Numbering Subcommittee (June 25, 1974). "U.S. Route Numbering Subcommittee Agenda" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 448. Retrieved October 16, 2014 – via Wikimedia Commons.
- Delaware Department of Highways and Transportation (1976). Delaware Highways Official Map (PDF) (Map). Dover: Delaware Department of Highways and Transportation. Retrieved November 24, 2015.
- Staff (2016). "Traffic Count and Mileage Report: Interstate, Delaware, and US Routes" (PDF). Delaware Department of Transportation. Retrieved December 29, 2017.
- Delaware Department of Transportation (2017). Official Travel & Transportation Map (Map). Dover: Delaware Department of Transportation.
- Google (November 22, 2011). "overview of U.S. Route 9 in Delaware" (Map). Google Maps. Google. Retrieved November 22, 2011.
- "Delaware's Bayshore Byway". Delaware Department of Transportation. Retrieved December 30, 2017.
- "Historic Lewes Byway, Gateway to the Bayshore". Delaware Department of Transportation. Retrieved December 30, 2017.
- National Highway System: Delaware (PDF) (Map). Federal Highway Administration. 2010. Retrieved February 10, 2012.
- Delaware State Highway Department; The National Survey Co. (1936). Official Road Map of the State of Delaware (PDF) (Map) (1936–1937 ed.). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
- Delaware State Highway Department (1920). Official Road Map (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
- Delaware State Highway Department (1924). Official Road Map (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
- Delaware State Highway Department (1925). Official Road Map (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
- Delaware State Highway Department (1931). Official Road Map of the State of Delaware (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
- Delaware State Highway Department (1954). Official Highway Map of Delaware (PDF) (Map) (1954–1955 ed.). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
- Delaware State Highway Department (1964). Official Highway Map of Delaware (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
- MacArthur, Ron (June 23, 2014). "Freeman Highway named after American hero". Cape Gazette. Retrieved January 27, 2018.
- "Delaware Code - 123rd General Assembly - Chapter 489". State of Delaware. Retrieved June 20, 2017.
- "Timeline". Lewes Historical Society. Retrieved January 27, 2018.
- Special Committee on U.S. Route Numbering (October 1, 1983). "Route Numbering Committee Agenda" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 538. Retrieved October 15, 2014 – via Wikimedia Commons.
- Delaware Department of Transportation (1984). Official State Highway Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
- Delaware Department of Transportation (1987). Official State Highway Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
- "Plantation Road Workshop Display" (PDF). Delaware Department of Transportation. February 15, 2018. Retrieved February 24, 2018.
- Media related to U.S. Route 9 in Delaware at Wikimedia Commons
|U.S. Route 9|