U.S. Route 13 (Delaware–Maryland–Virginia)

U.S. Route 13 (Delaware–Maryland–Virginia)
State	DE/MD/VA
Type	US
Route	13
Length mi	518
Established	1926
Direction a	South
Terminus a	near Chesapeake Bay
Direction b	North
Terminus b	in Delaware City

U.S. Route 13 (Delaware–Maryland–Virginia) is a major north–south highway on the East Coast of the United States, linking the Delmarva Peninsula to the mainland and serving as a primary corridor for freight, commuters, and tourism. The route traverses diverse jurisdictions including Virginia Beach, Norfolk, Suffolk, Wilmington, Dover, Salisbury, and Ocean City environs, connecting to many federal and state arterials. It interacts with significant infrastructure such as the Chesapeake Bay Bridge–Tunnel, the Delaware Memorial Bridge, and multiple U.S. Highway and Interstate corridors.

Route description

U.S. Route 13 enters the Delmarva corridor from the Chesapeake Bay Bridge–Tunnel approach near Virginia Beach and proceeds north through Norfolk and Suffolk before crossing into Maryland near Pocomoke City. The highway runs parallel to the Atlantic coastline, linking communities including Ocean City, Salisbury, and Cambridge while intersecting arterial routes such as U.S. Route 50, Interstate 64, and U.S. Route 113. Continuing into Delaware, the route serves Dover and proceeds to the Delaware Memorial Bridge approach near Wilmington, where it interconnects with Interstate 95 and U.S. Route 40. The alignment includes divided freeway segments, urban expressways, and two-lane rural stretches that link to ferry terminals and local port facilities like Port of Wilmington and Port of Salisbury–Ocean City. Along the corridor are landmarks such as Assateague Island National Seashore, Eastern Shore of Virginia, and historic districts in Pocomoke City and Delaware City.

History

The corridor originated from colonial roads and turnpikes serving Jamestown, Williamsburg, and the early port towns of the Delmarva Peninsula; later nineteenth-century improvements connected with Baltimore and Ohio Railroad rights-of-way and Pennsylvania Railroad feeder lines. Designated in the 1926 U.S. Highway system, the route reflected interwar planning by agencies influenced by figures such as Herbert Hoover and directives from the Bureau of Public Roads. Postwar expansions paralleled developments like Interstate Highway System funding and the construction of movable-span bridges that responded to Norfolk Naval Shipyard access needs. The mid-twentieth century saw bypass projects around Salisbury and Dover, and the addition of limited-access segments to relieve traffic tied to resort growth at Rehoboth Beach and Ocean City. Environmental and historic preservation efforts, involving National Park Service designations and state historic commissions, shaped alignments near Assateague Island National Seashore and colonial-era sites. Recent decades included rehabilitation tied to federal stimulus spending coordinated with agencies such as United States Department of Transportation and state departments of transportation.

Major intersections

Notable junctions include interchanges and crossings with Interstate 664 near Suffolk, U.S. Route 460 connections for freight movements, intersection with U.S. Route 50 at Salisbury for Atlantic coastal access, interchange with U.S. Route 113 near Berlin for resort traffic, junctions with Delaware Route 1 and U.S. Route 40 in Wilmington, and approaches to the Delaware Memorial Bridge connecting to New Jersey. The route interfaces with Interstate 95 for regional long-distance flows and links to connectors serving Norfolk International Airport and the Port of Virginia logistics network.

Special routes

The corridor includes business routes and alternate alignments such as business loops through Salisbury, Dover, and Wilmington that preserve access to central business districts and historic districts. Spur and alternate designations coordinate with state routes including Maryland Route 413, Delaware Route 404, and Virginia State Route 337 to distribute local and through traffic. Seasonal tourist signage and evacuation routes integrate with emergency management agencies like Federal Emergency Management Agency and state emergency operations centers during storm events impacting Atlantic City-to-Virginia Beach corridors.

Traffic and tolls

Traffic volumes vary from urban peak flows in the Norfolk–Virginia Beach metro to seasonal surges near Ocean City and Rehoboth Beach. Freight movements link to intermodal terminals serving CSX Transportation and Norfolk Southern Railway, influencing pavement preservation programs administered by state departments of transportation including Virginia Department of Transportation, Maryland Department of Transportation, and Delaware Department of Transportation. Tolling applies on affiliated structures such as the Delaware Memorial Bridge and the Chesapeake Bay Bridge–Tunnel, with collection methods evolving from cash to electronic tolling systems like E-ZPass to improve throughput and incident response.

Future developments

Planned improvements emphasize capacity, safety, and resilience: widening projects near Salisbury University, interchange reconstructions tied to Delaware River and Bay Authority priorities, and multimodal investments connecting to Amtrak and regional transit agencies like Hampton Roads Transit. Climate adaptation measures address sea-level rise impacts documented by National Oceanic and Atmospheric Administration and proposals to enhance evacuation routes for coastal storms endorsed by Federal Highway Administration. Corridor studies funded through Transportation Investment Generating Economic Recovery-like programs and state capital plans examine managed lanes, interchange modernization, and bicycle–pedestrian accommodations to balance tourism, freight, and local mobility demands.

Category:U.S. Highways in Delaware Category:U.S. Highways in Maryland Category:U.S. Highways in Virginia