U.S. Route 13 Business (Wilmington, Delaware)
Harriet Tubman Underground Railroad Byway Washington–Rochambeau Revolutionary Route | |
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Major junctions | |
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Location | |
Country | United States |
State | Delaware |
Counties | New Castle |
Highway system | |
U.S. Route 13 Business (US 13 Bus.) is an 8.19-mile (13.18 km) business route of US 13 that runs through the heart of the city of Wilmington in New Castle County, Delaware, where US 13 bypasses downtown Wilmington to the east, running near Interstate 495 (I-495) and the Delaware River. US 13 Bus. begins at I-495 and US 13 at the southern border of Wilmington and heads north toward the downtown area, where it splits into a one-way pair. Past downtown, the business route heads through the northeastern part of the city on North Market Street before continuing through suburban Brandywine Hundred on Philadelphia Pike. US 13 Bus. reaches its northern terminus at US 13 in Claymont. US 13 Bus. is a four-lane road for much of its length.
The Philadelphia Pike was built as a
Route description

US 13 Bus. branches off of
US 13 Bus. heads into downtown Wilmington and crosses under

From here, US 13 Bus. heads north on four-lane undivided North Market Street and crosses Brandywine Creek. After the bridge, the road curves northeast and becomes a three-lane road with one northbound lane and two southbound lanes, passing urban residential and commercial development as it comes to an intersection with the southern terminus of DE 202 (Concord Avenue). The route becomes a two-lane road and passes more urban areas along with a couple cemeteries.[3][4]
US 13 Bus. widens to four lanes again as it heads out of Wilmington and into suburban Brandywine Hundred, with the name of the road changing to Philadelphia Pike. Here, the business route crosses Shellpot Creek and intersects DE 3 and Shipley Road, forming a concurrency with DE 3. The two routes pass suburban homes and businesses, crossing Marsh Road before DE 3 splits from US 13 Bus. by heading to the northwest. US 13 Bus. runs along the northwestern edge of the town of Bellefonte before it passes to the southeast of Bellevue State Park. The business route crosses Stoney Creek as it continues northeast through residential neighborhoods with scattered businesses, heading through Holly Oak and intersecting Silverside Road before it crosses Perkins Run and reaches Claymont. At Harvey Road, the road narrows to two travel lanes and a center turn lane until the business route intersects US 13 and reaches its northern terminus, with Philadelphia Pike continuing northeast as part of US 13.[3][4]
The portion of the route between A Street and DE 9 (4th Street) in Wilmington is part of the
History

In 1813, the Wilmington and Philadelphia Turnpike Company was chartered to build a turnpike running from the Brandywine Bridge in Wilmington northeast to the Pennsylvania border, where the roadway would continue to Philadelphia. A 3.75-mile (6.04 km) long portion of the road near Wilmington was finished in 1816 with the remainder completed in 1823.[8] With the Federal Aid Road Act of 1916, the Philadelphia Pike was to be improved by the state.[9] The Philadelphia Pike was upgraded to a state highway by 1920.[10] The Philadelphia Pike was designated part of a branch of the Lincoln Highway[11] and part of the Capitol Trail in the 1910s, which continued west of Wilmington to Newark and the Maryland border along the present-day DE 2 corridor,[12] then south to Washington, D.C., and Atlanta.[13]
In 1925, recommendations were made to improve the South Market Street Causeway over the Christina River in Wilmington, which included a new bridge over the river.[14] Construction on the drawbridge began in May 1926.[15] In 1927, the new drawbridge, the four-lane South Market Street Bridge, opened over the Christina River on South Market Street in Wilmington, replacing a previous drawbridge that was only two lanes wide.[16]
With the creation of the U.S. Numbered Highway System in 1926, US 13 was routed to head through Wilmington along Market Street and to the northeast of Wilmington along Philadelphia Pike.[17][18] In 1926, the Delaware State Highway Department suggested the Philadelphia Pike be widened.[15] US 13 was widened along the Philadelphia Pike between Shellpot Park and Bellevue Quarry in 1927.[16] In 1928, the widening of Philadelphia Pike was completed.[19]

By 1932, US 13 was split into the one-way pair of French Street northbound and Market Street southbound in the downtown area.
In 1952, a new bridge over the Christina River, the Walnut Street Bridge, was proposed to link Walnut Street in the downtown area with the Dupont Parkway section of US 13 south of the city. Under this plan, the Walnut Street Bridge would be used for northbound traffic while the South Market Street Bridge would be used for southbound traffic.[23] By this time, US 13 was routed on a one-way pair in the downtown area, using Walnut Street northbound and French Street southbound.[24] A year later, the Walnut Street Bridge project was under contract.[25] Construction on the project began in 1955.[26] Construction of the Walnut Street Extension, which included the drawbridge, approach roads, and a new bridge under the Pennsylvania Railroad (now Amtrak's Northeast Corridor), was completed in 1957. As a result, US 13 was split into the one-way pair of South Walnut Street northbound and South Market Street southbound between the south end of the city and downtown.[27][28]
Plans were made to widen the Philadelphia Pike to a four-lane road between Bellevue Road and Claymont in 1954.
Major intersections
The entire route is in New Castle County.
Location | mi[1] | km | Destinations | Notes | |
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Port of Wilmington, Philadelphia | Southern terminus | ||||
![]() ![]() | Ramp from US 13 Bus. southbound to I-495 southbound; I-495 exit 1 | ||||
Wilmington | 1.37 | 2.20 | ![]() ![]() | Eastern terminus of DE 48 | |
1.42 | 2.29 | ![]() ![]() ![]() ![]() ![]() Riverfront, Transit Center | |||
1.55 | 2.49 | ![]() | |||
![]() ![]() | Southern terminus of DE 52 | ||||
![]() ![]() | |||||
2.67 | 4.30 | ![]() ![]() | Southern terminus of DE 202 | ||
Bellefonte | 4.34 | 6.98 | ![]() ![]() | South end of DE 3 overlap | |
5.01 | 8.06 | ![]() ![]() | North end of DE 3 overlap | ||
Claymont | 8.19 | 13.18 | ![]() | Northern terminus | |
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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See also
- U.S. Roads portal
References
- ^ a b c Staff (2018). "Traffic Count and Mileage Report: Interstate, Delaware, and US Routes" (PDF). Delaware Department of Transportation. Retrieved March 29, 2020.
- ^ a b U.S. Route Numbering Subcommittee (November 7, 1970). "U.S. Route Numbering Subcommittee Agenda Showing Action Taken by the Executive Committee" (PDF) (Report). Washington, DC: American Association of State Highway Officials. p. 397. Retrieved October 15, 2014 – via Wikimedia Commons.
- ^ a b c d Delaware Department of Transportation (2017). Official Travel & Transportation Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved August 18, 2019.
- ^ a b c d "overview of U.S. Route 13 Business Wilmington" (Map). Google Maps. Retrieved October 21, 2014.
- ^ "Harriet Tubman Underground Railroad Byway". Delaware Department of Transportation. Retrieved December 30, 2017.
- ^ "Washington-Rochambeau Revolutionary Route". Delaware Department of Transportation. Retrieved April 7, 2018.
- ^ National Highway System: Delaware (PDF) (Map). Federal Highway Administration. 2010. Retrieved February 10, 2012.
- ^ Scharf, John Thomas (1888). History of Delaware : 1609-1888, Volume 1. Philadelphia: L.J. Richards & Co. p. 418. Retrieved January 6, 2012.
- ^ Amott, David; Gollannek, Eric; Ames, David (May 2006). "A History of Delaware Roads and A Guide to Researching Them" (PDF). University of Delaware. Retrieved January 30, 2014.
- ^ Delaware State Highway Department (1920). Official Road Map (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
- ^ "Lincoln Highway Map". Lincoln Highway Association. Retrieved July 7, 2022.
- ISBN 9781439645444. Retrieved December 23, 2016.
- ^ "Named highways of the United States". HathiTrust. Retrieved July 7, 2022.
- ^ Annual Report of the State Highway Department (PDF) (Report) (1925 ed.). Dover, Delaware: Delaware State Highway Department. December 31, 1925. p. 25. Archived from the original (PDF) on September 23, 2015. Retrieved November 9, 2014.
- ^ a b Delaware State Highway Department Report (PDF) (Report) (1926 ed.). Dover, Delaware: Delaware State Highway Department. December 31, 1926. pp. 7, 38. Archived from the original (PDF) on February 9, 2017. Retrieved November 9, 2014.
- ^ a b Annual Report of the State Highway Department (PDF) (Report) (1927 ed.). Dover, Delaware: Delaware State Highway Department. December 31, 1927. pp. 8, 28. Archived from the original (PDF) on September 23, 2015. Retrieved January 30, 2014.
- .
- ^ Delaware State Highway Department (1931). Official Road Map of the State of Delaware (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
- ^ Annual Report of the State Highway Department (PDF) (Report) (1928 ed.). Dover, Delaware: Delaware State Highway Department. December 31, 1928. p. 12. Archived from the original (PDF) on September 23, 2015. Retrieved January 30, 2014.
- ^ Delaware State Highway Department (1932). Official Road Map (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
- ^ 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.
- ^ Annual Report of the State Highway Department (PDF) (Report) (1938 ed.). Dover, Delaware: Delaware State Highway Department. January 1, 1939. p. 19. Retrieved November 13, 2014.
- ^ Report of the State Highway Department (PDF) (Report) (1952 ed.). Dover, Delaware: Delaware State Highway Department. July 1, 1952. p. 34. Retrieved February 5, 2014.
- ^ Delaware State Highway Department (1952). Official Highway Map of Delaware (PDF) (Map) (1952–1953 ed.). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
- ^ Report of the State Highway Department (PDF) (Report) (1953 ed.). Dover, Delaware: Delaware State Highway Department. July 1, 1953. p. 49. Retrieved February 5, 2014.
- ^ Report of the State Highway Department (PDF) (Report) (1955 ed.). Dover, Delaware: Delaware State Highway Department. July 1, 1955. p. 15. Archived from the original (PDF) on September 23, 2015. Retrieved February 5, 2014.
- ^ Delaware State Highway Department (1957). Official Highway Map of Delaware (PDF) (Map) (1957–1958 ed.). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
- ^ Report of the State Highway Department (PDF) (Report) (1957 ed.). Dover, Delaware: Delaware State Highway Department. July 1, 1957. p. 53. Retrieved November 9, 2014.
- ^ Report of the State Highway Department (PDF) (Report) (1954 ed.). Dover, Delaware: Delaware State Highway Department. July 1, 1954. p. 19. Archived from the original (PDF) on September 23, 2015. Retrieved February 5, 2014.
- ^ Report of the State Highway Department (PDF) (Report) (1956 ed.). Dover, Delaware: Delaware State Highway Department. July 1, 1956. p. 14. Archived from the original (PDF) on January 7, 2010. Retrieved February 6, 2014.
- ^ Delaware Department of Highways and Transportation (1976). Delaware Highways Official Map (PDF) (Map). Dover: Delaware Department of Highways and Transportation. Retrieved November 24, 2015.