U.S. Route 13 Business (Delaware)

U.S. Route 13 Business (Delaware)
State	DE
Type	US-Bus
Route	13
Length mi	6.28
Established	1970s
Direction a	South
Terminus a	U.S. Route 13 at Wilmington
Direction b	North
Terminus b	U.S. Route 13 at Pennsville Township via Delaware River
Counties	New Castle County

U.S. Route 13 Business (Delaware) is a business route of U.S. Route 13 serving the central corridor of Wilmington and surrounding communities in New Castle County. The designation follows older alignments of U.S. Route 13 through urban and suburban streets, providing access to downtown Wilmington landmarks, industrial areas, and connections to interstate highways. The route functions as a local arterial linking Interstate 95, Delaware Route 1, and state routes while paralleling the mainline U.S. Route 13 freeway.

Route description

The route begins at a junction with U.S. Route 13 near the Christiana River corridor, proceeding north on city streets through New Castle County neighborhoods and commercial districts. It passes near the Delaware River and Bay Authority, crosses under infrastructure associated with Amtrak and SEPTA corridors, and provides access to the Wilmington Riverfront. Along the alignment the road interfaces with Interstate 95 ramps, intersects Delaware Route 4 and Delaware Route 52, and runs adjacent to sites such as Delaware Hospital for the Chronically Ill and redevelopment zones linked to Brandywine Creek revitalization. Northbound, the route traverses mixed-use zones, serving Wilmington Rail Station connections and providing links to Delaware Memorial Bridge approaches before rejoining U.S. Route 13 toward the Delaware River–Turnpike Toll Bridge.

History

The alignment originated as part of early 20th-century auto trails and the Lincoln Highway era corridors that predated numbered routes; it was later incorporated into the original U.S. Highway System as U.S. Route 13. Urban growth in Wilmington and the development of limited-access alternatives such as Delaware Route 1 and Interstate 95 led to the creation of the business designation to preserve downtown access. Major 20th-century projects by the Delaware Department of Transportation reshaped the corridor, including intersection realignments influenced by federal programs such as the Interstate Highway Act and local redevelopment tied to urban renewal in the postwar era. Recent decades saw rehabilitation funded through state transportation plans and coordinated with environmental initiatives along the Christina River and Brandywine Creek.

Major intersections

The route's principal junctions include the southern terminus with U.S. Route 13, grade-separated connections to Interstate 95 and Delaware Route 1, an at-grade intersection with Delaware Route 4 near Wilmington Station, and northern reconnection to U.S. Route 13 approaching the Delaware River–Turnpike Toll Bridge corridor. Other notable cross streets feature links to Delaware Route 52, U.S. Route 202 approaches, and municipal arterials feeding into the Wilmington Riverfront redevelopment and adjacent industrial parks.

Related routes and designations

Historically and functionally related routes include the parent U.S. Route 13, the nearby limited-access Delaware Route 1, and the federal Interstate 95. Local state routes such as Delaware Route 4, Delaware Route 52, and connector spurs provide regional continuity. Rail-focused intermodal links involve Amtrak, SEPTA Regional Rail, and freight corridors operated by Norfolk Southern Railway and CSX Transportation. Coordination with interstate and regional agencies like the Delaware River and Bay Authority and the Wilmington Metropolitan Area Planning Council shapes planning and signage for the business route.

Traffic and usage

Traffic volumes vary along the corridor, reflecting commuter flows to downtown Wilmington employment centers, freight movements to industrial sites, and local circulation for retail and residential areas. Peak-period congestion correlates with Interstate 95 interchange activity and commuter patterns tied to Wilmington Station transit schedules. Freight access connects to port and river facilities managed in coordination with the Delaware River and Bay Authority and maritime stakeholders. Safety and multimodal concerns have prompted signal modernization and bicycle-pedestrian accommodation projects coordinated with the Delaware Department of Transportation.

Future plans and improvements

Planned improvements focus on intersection modernization, pavement rehabilitation, and multimodal enhancements aligned with statewide initiatives in the Delaware Transportation Plan and regional strategies by the Wilmington Area Planning Council. Proposals include upgrading ITS deployments to integrate with Delaware Transit Corporation (DART) operations, streetscape investments near the Wilmington Riverfront to support redevelopment, and targeted freight access improvements to benefit facilities served by Norfolk Southern Railway and CSX Transportation. Environmental mitigation measures coordinate with restoration projects for the Christina River and Brandywine Creek watershed to comply with state and federal permitting programs.

Category:U.S. Highways in Delaware Category:Roads in New Castle County, Delaware