Special routes of U.S. Route 9

Georgetown, DE truck route

U.S. Route 9 Truck (US 9 Truck) is a 6.1-mile (9.8 km) truck bypass of US 9 in Georgetown, Sussex County, Delaware. US 9 Truck begins at an intersection between US 9 and US 113/DE 404 Truck to the west of Georgetown. At this point, US 9 Truck heads southeast concurrent with US 113 and DE 404 Truck on four-lane divided South Dupont Boulevard. The road heads through woodland with some farm fields and businesses. US 9 Truck/DE 404 Truck split from US 113 by heading north-northeast on two-lane undivided South Bedford Street. The road passes commercial development before heading through farmland with some homes. The routes curve to the north-northwest prior to heading north. US 9 Truck/DE 404 Truck turn east onto Park Avenue and pass through residential areas before crossing Norfolk Southern's Indian River Secondary railroad line. The road runs through agricultural areas and passes to the south of Delaware Coastal Airport, where it makes a curve to the north. US 9 Truck/DE 404 Truck head through a mix of farmland and woodland with some homes to the east of the airport, crossing a Delaware Coast Line Railroad line before ending at US 9/DE 404 east of Georgetown. US 9 Truck was designated in 1983.

Major intersections
The entire route is in Georgetown, Sussex County.

Lewes, DE business route

U.S. Route 9 Business (US 9 Bus.) is a 3.36-mile (5.41 km) business route off US 9 in Lewes, Sussex County, Delaware. US 9 begins at the Five Points intersection where it intersects US 9, DE 1, and the eastern terminus of DE 404. This intersection has no access to eastbound US 9/southbound DE 1 from US 9 Bus. as left turns are prohibited. From here, the route heads northeast on four-lane divided Savannah Road, soon narrowing to a two-lane undivided road. The business route runs through commercial areas to the southeast of a residential development, gaining a center left-turn lane. The road comes to an intersection with Wescoats Corner Road in the community of Wescoats Corner, which heads southeast to provide access to southbound DE 1. US 9 Bus. loses the turn lane as it continues through the residential community of Quakertown. The road continues past homes and some businesses as it enters Lewes, where it crosses a Delaware Coast Line Railroad line. The route passes to the southeast of Beebe Medical Center before it crosses into the historic downtown area of Lewes, where it passes by the Zwaanendael Museum. US 9 Bus. crosses the Lewes and Rehoboth Canal on a drawbridge and runs past businesses to the northwest and marshland to the southeast. The business route passes a mix of homes and businesses before it turns east onto Cape Henlopen Drive near Lewes Beach along the Delaware Bay. US 9 Bus. runs between the bay to the north and homes to the south before it comes to its terminus at an intersection with US 9. Past here, Cape Henlopen Drive continues east as part of US 9 toward the Cape May-Lewes Ferry terminal. The route was designated on a former part of DE 18 by 1976, with US 9 routed to bypass Lewes on DE 1 and the Theodore C. Freeman Highway to the south.

Major intersections
The entire route is in Sussex County.

Jersey City, NJ truck route

U.S. Route 1/9 Truck is a 4.11-mile (6.61 km) truck route of US 1/9 in northern New Jersey between Newark and Jersey City that bypasses the Pulaski Skyway, which trucks are banned from. The route heads east across the Passaic River into Kearny before crossing the Hackensack River into Jersey City, where the truck route turns north at the Route 440 intersection. It intersects Route 7 before turning east and ending at the Tonnele Circle with US 1/9 and Route 139. Prior to 1953, US 1/9 Truck was designated as Route 25T, designating a truck bypass of Route 25, which formerly followed US 1/9 on the Pulaski Skyway.

Beesley's Point, NJ temporary route

U.S. Route 9 Temporary was the designation for the detour around the closed Beesley's Point Bridge carrying US 9 over the Great Egg Harbor Bay between Upper Township, Cape May County and Somers Point, Atlantic County. The route headed east from US 9 in Upper Township on CR 623 before heading north on the Garden State Parkway and crossing the Great Egg Harbor Bay on the Great Egg Harbor Bridge, ending at an interchange with US 9 in Somers Point. The route was 3.89 mi (6.26 km) long. The designation was replaced by US 9 following the demolition of the bridge in 2013.

Toms River, NJ alternate route

U.S. Route 9 Alternate was a 3.73-mile (6.00 km) long alternate route of US 9 that ran through Toms River, New Jersey. It was created in 1954 after US 9 was rerouted to use the Garden State Parkway through the Toms River area but was later renumbered to Route 166.

Jersey City, NJ business route

U.S. Route 1/9 Business was a 2.77-mile (4.46 km) long former business route of US 1/9 in Jersey City that ran between US 1/9 at the Tonnele Circle and the Holland Tunnel across the Hudson River to New York City. The route was created in 1953, replacing what had been a part of Route 25. The business route was renumbered to Route 139 by the 1990s.