U.S. Route 13 Alternate (Dover, Delaware)

U.S. Route 13 (US 13) runs along the Atlantic coastline for over , passing through five states. Along its route, it possessed numerous special routes, which are all loops off the mainline US 13. At present, there are at least fifteen special routes in existence: two in North Carolina, five in Virginia, two in Maryland, four in Delaware, and two in Pennsylvania. Seven others have existed in the past, but have been deleted.

Existing

Bethel, NC business loop

U.S. Route 13 Business is a business route of U.S. Route 13, passing through Bethel in the state of North Carolina. It is entirely overlapped with North Carolina Highway 11 Business. The route branches from US 13 just south of the town and follows South Main Street through the town, intersecting US 64 Alternate within. It rejoins US 13 just south of its interchange with US 64.

Windsor, NC business loop

U.S. Route 13 Business is a business route of U.S. Route 13 serving Windsor, North Carolina. It begins by following US 17 off the concurrency with US 13 south of the town, but leaves US 17 at the very next intersection, following South Granville Street. It then turns onto West Granville Street, where it follows NC 308, and then north on North King Street, leaving behind NC 308. US 13 Business continues north along King Street until it rejoins US 13 north of the town.

Suffolk, VA business loop

U.S. Route 13 Business is a business route of U.S. Route 13 serving the City of Suffolk in the state of Virginia. It consists of the original routing of the highway before mainline US 13 was rerouted onto a freeway bypass to the west and north of the city. It begins near Suffolk Municipal Airport, where US 13 leaves the roadway at a trumpet interchange, travelling west, while US 13 Business continues north on Carolina Road concurrent with Virginia State Route 32. As it travels deeper into the city, it intersects Washington Street, which carries Virginia State Route 337, and becomes concurrent with Virginia State Route 10. The three routes follow Main Street north until it meets the business routes of U.S. Route 58 and U.S. Route 460. Here, US 13 Business joins the two business routes and heads east on Constance Road. The name changes to Portsmouth Boulevard and US 13 Bus./US 58 Bus./US 460 Bus. cross VA 337. The three-route overlap of business routes rejoin their mainline route, US 13/ 58/460, at a directional interchange (with no access to the southbound/westbound carriageway from the northbound business route) and resumes toward Norfolk.

Major intersections

Cheriton, VA business loop

U.S. Route 13 Business is a business route of U.S. Route 13 serving Cheriton in the state of Virginia. The route begins at an intersection with mainline US 13 and Virginia State Route 184, where SR 184 goes westward and US 13 Business leaves to the east of US 13. The route follows Bayside Road for its entire length, providing access to Oyster via Sunnyside Road.

Major intersections

Eastville, VA business loop

U.S. Route 13 Business is a business route of U.S. Route 13 serving Eastville in the state of Virginia. It is a two-lane road which follows Courthouse Road for its entire length. It begins in Stumptown, where it leaves US 13 at an intersection to the west, passes through Eastville, and recombines with US 13 north of town in Kendall Grove. The route provides access to Old Town Neck Drive, which leads to the Chesapeake Bay.

Major intersections

Exmore, VA business loop

U.S. Route 13 Business is a business route of U.S. Route 13 serving Exmore in the state of Virginia. It begins with an intersection south of town with US 13, parallel to a railroad alignment, and carries Exmore's Main Street. In town, it intersects SR 183 before leaving Main Street for Lincoln Avenue; Main Street continues as SR 178. Lincoln Avenue sends US 13 Business back to its parent just south of the Accomack County line.

Major intersections

Onley–Accomac, VA business loop

U.S. Route 13 Business is a business route of U.S. Route 13 serving Onley, Tasley, and Accomac in the state of Virginia, weaving across the parent US 13 several times. It begins in Onley in the south with an intersection with US 13, leaving the mainline route to the east and following Coastal Avenue. It closely parallels a railroad alignment as both of them pass under the mainline US 13 with no interchange, now following the route to its west. SR 650 intersects that route just before it curves to the northeast, meeting SR 316 (Greenbush Avenue) and SR 126 (Fairgrounds Road) at a roundabout. US 13 Business heads east here and takes on the name Tasley Road as it passes through Tasley. Tasley Road carries US 13 Business back towards its parent, intersecting it, and continuing across as it enters Accomac on Front Street. Front Street eventually expands into a four-lane boulevard just before it rejoins mainline US 13, the southbound lanes intersecting with the north bound merging into it as a ramp.

Major intersections

Pocomoke City, MD business loop

U.S. Route 13 Business is a 3.99-kilometre (2.48-mi) business route of U.S. Route 13 that passes through Pocomoke City in Worcester and Somerset Counties in Maryland.

The route begins south of Pocomoke City; US 13's four-lane divided mainline curves away to the right around the town, while US 13 Business continues straight ahead as a two-lane town street.

After intersecting MD 366 the route connects with the original southern terminus of US 113, the latter having been rolled back to terminate at mainline US 13. For a time, the marooned segment was part of MD 250, but is now designated MD 250A. Continuing north the route heads towards the city waterfront and business district, passing through a pair of intersections with traffic lights permanently set to "flash" mode due to lack of traffic.

The route soon reaches the Pocomoke River, crossing it on a drawbridge that was first constructed in the 1920s, reconstructed in the 1990s, and continues in active service today. After crossing the river the route heads out of town into rural surroundings before terminating on US 13 at the southern terminus of MD 364.

The route was originally created as a segment of Maryland Route 675 by 1975, when the four-lane divided Ocean Highway opened around the eastern and northern edges of the town for US 13, allowing through traffic to avoid congested inner-city streets. The road was eventually designated US 13 Business.

Junction list

Salisbury, MD business loop

U.S. Route 13 Business (US 13 Business) is a business route of U.S. Route 13 in the state of Maryland. The highway runs between US 13 south of Fruitland and US 13 and US 50 on the north side of Salisbury. US 13 Business is a four-lane highway with divided and undivided sections that provides access to downtown Salisbury, where the highway intersects US 50 Business, Salisbury University, and Fruitland, where the highway meets MD 513. US 13 Business was constructed as a new alignment of US 13 in several steps in the 1930s and early 1940s. The section of the highway through Salisbury was originally constructed with four lanes, while the portion of the highway through Fruitland and at the northern end was expanded to a divided highway in the first half of the 1950s. US 13 Business was designated when US 13 was moved to the Salisbury Bypass upon its completion in 1982.

Bridgeville, DE business loop

U.S. Route 13 Business (US 13 Bus.) is a business route of US 13 that passes through the town of Bridgeville in Sussex County, Delaware. The business route begins at an intersection with US 13 and DE 404 south of Bridgeville, where it heads west concurrent with DE 404 Bus. as four-lane divided South Main Street. The road immediately curves to the north as it passes to the west of businesses, narrowing into a two-lane undivided road. The route heads north-northwest through farmland before heading into Bridgeville, where it passes homes. In the center of town, DE 404 Bus. splits from US 13 Bus. by heading to the west. US 13 Bus. becomes North Main Street and curves to the north-northeast, leaving Bridgeville and heading through farmland with some development. The business route has a junction with Redden Road before it reaches its northern terminus at an intersection with US 13/DE 404 only accessible to and from the southbound lanes of US 13. US 13 Bus. has an annual average daily traffic count ranging from a high of 6,171 vehicles at the north end of the DE 404 Bus. concurrency to a low of 3,429 vehicles at the northern border of Bridgeville. None of US 13 Bus. is part of the National Highway System.

The route was originally built as a state highway south of Bridgeville by 1920 and north of Bridgeville by 1924, and received the US 13 designation in 1926. In 1952, US 13 was rerouted to bypass Bridgeville to the east on a new divided highway. The former alignment through Bridgeville became US 13 Alt. by 1957. US 13 Bus. was established in 1970, replacing the previous US 13 Alt. designation. In June 2007, a $15 million project began that realigned the intersection at the southern terminus with US 13 and DE 404 from a skewed intersection to a perpendicular intersection and built service roads on both sides of US 13. The project was intended to improve safety at the intersection, which saw a high accident rate due to its design. Work on the project was completed on May 21, 2009, with DelDOT secretary Carolann Wicks and President of Commissioners for the Town of Bridgeville William Jefferson in attendance at a ceremony.

Major intersections

Camden, DE alternate route

U.S. Route 13 Alternate (US 13 Alt.) is a alternate route of US 13 that passes through the towns of Woodside and Camden in Kent County, Delaware. The route's southern terminus is at US 13 and DE 15 near Canterbury. From here, US 13 Alt. heads northwest concurrent with DE 15 on two-lane undivided Upper King Road. The alternate route passes through farmland with some homes before reaching Woodside. In this town, the road heads through residential areas and intersects DE 10 Alt., where DE 15 splits from US 13 Alt. by heading west along DE 10 Alt. US 13 Alt. leaves Woodside and runs north through a mix of farm fields and woods with some homes, crossing Tidbury Creek to the east of Derby Pond. The route curves northeast and passes a mix of agricultural areas and residential subdivisions before it enters Camden. In this town, the road becomes Main Street and is lined with homes, crossing DE 10. US 13 Alt. continues past more residences and businesses and crosses Old North Road, where it becomes Old Camden Road and heads to the east of Caesar Rodney High School. The alternate route intersects Caboose Road, a one-way road which heads east to provide access to US 13. A short distance later, US 13 Alt. reaches its northern terminus at an intersection with US 13 in the northern part of Camden east of Brecknock County Park. The portion of the route between Voshells Mill Road and a point north of Old North Road in Camden is part of the Harriet Tubman Underground Railroad Byway, a Delaware Byway. US 13 Alt. has an annual average daily traffic count ranging from a high of 10,269 vehicles at the South Street intersection in Camden to a low of 3,845 vehicles at the southern border of Woodside. None of US 13 Alt. is part of the National Highway System.

By 1920, the portion of road south of Woodside was under contract as a state highway while the portion north of there was proposed as one. The state highway was completed by 1924 and was designated as US 13 in 1926. In 1952, US 13 was rerouted to a new