Special routes of U.S. Route 1

Jacksonville alternate route

U.S. Highway 1 Alternate is a special U.S. Route in Jacksonville, Florida, United States. It bypasses downtown to the east via the Hart Bridge, running mostly on freeways.

Like all AASHTO designated highways in Florida, US 1 Alternate always carries a FDOT designated state road number, be it signed or unsigned:

The entire route is in Jacksonville, Duval County.

Washington alternate route

U.S. Route 1 Alternate is a special route forming a loop off U.S. Route 1 between Washington, D.C., and Hyattsville, Maryland.

Route description
In the District of Columbia, U.S. 1 Alternate splits from U.S. 1 at the corner of Pennsylvania Avenue and 6th Street N.W. U.S. 1 Alternate then turns on to Constitution Avenue and follow that street until its terminus at Maryland Avenue near the United States Supreme Court Building. Alternate U.S. 1 leaves Maryland Avenue at Bladensburg Road, which it travels into Prince George's County, Maryland. After passing through Colmar Manor and Cottage City, the road enters Bladensburg and turns onto Baltimore Avenue toward Hyattsville, where it rejoins U.S. 1 at Rhode Island Avenue.

History
In the 1940s, this route was known as Bypass US 1, and was cosigned with U.S. Route 50 Alternate and Maryland Route 411.

Major intersections

Baltimore alternate route

U.S. Route 1 Alternate is a 3.92-mile-long (6.31 km) long special route forming a loop off US 1 between Arbutus and Baltimore, Maryland. US 1 Alternate serves the southwestern Baltimore County community of Halethorpe and connects US 1 with full-access interchanges with Interstate 95 and I-695.

St. Augustine business loop

U.S. Route 1 Business in St. Augustine is a special route of U.S. Route 1. From its southern terminus at US 1 to the intersection with SR 16 it carries the hidden FDOT designation of State Road 5A. The segment from SR 16 to the northern terminus at US 1 is maintained by the City of St. Augustine, and is the only AASHTO defined road in Florida that is not under state maintenance.

US 1 Business begins at the intersection of U.S. Route 1 and King Street (County Road 214). US 1 Business travels east on King Street, with a short water crossing two blocks east of US 1. The route continues, passing the southern end of Flagler College, and then becoming a one way pair for four blocks, with King Street taking eastbound traffic and Cathedral Place, one block north, taking westbound traffic. At the intersection with State Road A1A just west of the Bridge of Lions towards Anastasia Island, US 1 Business heads north as a two way road, starting a concurrency with SR A1A, now known as North Ocean Boulevard, going through the heart of St. Augustine. At West Castillo Drive, the name changes to San Marco Avenue. At May Street, SR A1A heads east, splitting off from US 1 Business. A bit further north, it intersects with the eastern terminus of State Road 16 at Picolata Road. Six blocks to the north, US 1 Business terminates at US 1.

The entire route is in St. Augustine, St. Johns County.

Georgia

There are current business routes in Waycross, Swainsboro, Wadley, and Louisville.

Vass–Cameron business loop

U.S. Route 1 Business was established in June 2005, replacing the old mainline US 1 through downtown Vass and Cameron.

Sanford business loop

U.S. Route 1 Business was established in 1960, as a renumbering of US 1A through downtown Sanford, via Carthage Street and Hawkins Avenue. Between 1976-1978, US 1 Business it was rerouted onto NC 42 back to mainline US 1.

Henderson business loop

U.S. Route 1 Business was established in 1960, as a renumbering of US 1A through Gill and downtown Henderson, via Raleigh Road and Garnett Street.

Fredericksburg business loop

U.S. Route 1 Business in the vicinity of Fredericksburg begins at U.S. Route 1 and the east end of Virginia State Route 208 in Spotsylvania along Lafayette Boulevard, and swerves northeast towards Downtown Fredericksburg, but not before crossing an at-grade interchange with the Blue and Gray Parkway. Curving more to the east as it passes by the Fredericksburg National Cemetery, the road runs in front of Fredericksburg (VRE station) where it joins the northbound and southbound streets carrying US BUS 17, where they overlap until US BUS 1 and Princess Anne Street end at US 1 south of the bridge over the Rappahannock River. US BUS 17 continues northward to overlap US 1 before heading toward I-95/US 17.

Bel Air business loop

U.S. Route 1 Business is a 6.90-mile (11.10 km) long business route of U.S. Route 1 going through the town of Bel Air, Maryland. Before this route was put into service, U.S. Route 1 went through Bel Air. It used to end at the north end of the Bel Air Bypass. In 2000, it was extended to the north end of the Hickory Bypass when it was built. The regular U.S. Route 1 was moved to the new bypass.

Penndel business loop

U.S. Route 1 Business is an 8-mile (13 km) long business route of U.S. Route 1 in south eastern Pennsylvania, United States. The southern terminus of the route is at US 1 in the Bensalem Township community of Oakford, west of Penndel. The northern terminus is at US 1 north of the Falls Township community of Fallsington. US 1 Business runs along the Lincoln Highway for its entire length.

When a bypass of Penndel was completed to the north of the borough in 1989, US 1 was moved from the Lincoln Highway to the expressway, allowing US 1 Business to occupy the Lincoln Highway in its place.

Major intersections
The entire route is in Bucks County.

Trenton business loop

U.S. Route 1 Business is a 2.73-mile (4.39 km) business route of US 1 northeast of Trenton, New Jersey, running from an interchange with that route in Trenton to another interchange in Lawrence Township. On the border of Trenton and Lawrence Township, US 1 Business intersects northbound US 206 at the Brunswick Circle. The route is also signed through Trenton on what was once designated US 1 Alternate, which continued over the Lower Trenton Bridge to Morrisville, Pennsylvania. The Pennsylvania portion of US 1 Alternate is now State Route 2060 and the southernmost part of Pennsylvania Route 32.

Damariscotta–Newcastle business loop

U.S. Route 1 Business was established in 1970, which goes through downtown Newcastle and Damariscotta, via Main Street. US-1 Business begins as an offshoot of US-1 southwest of Newcastle, and proceeds into the town, where it meets the southern terminus of State Route 215. The route then turns to the east, crossing the Damariscotta River into Damariscotta. US-1 Business intersects the northern end of State Route 129 and State Route 130, which end overlapped. The route continues east through Damariscotta, before turning northeast and merging with its parent.

Portsmouth-Kittery bypass

U.S. Route 1 Bypass is a 4.3-mile (6.9 km) long bypass of U.S. Route 1 in Portsmouth, New Hampshire and Kittery, Maine. Most of its north section, northeast of the Portsmouth Circle where it meets the Blue Star Turnpike and Spaulding Turnpike, is built to rudimentary freeway standards, with no cross traffic but driveway access. The southern portion is similarly constructed, although there are two four-way intersections with traffic lights just south of the circle and a third at its south end, just before intersecting with US 1.

The southern terminus is at US 1 in Portsmouth. The northern terminus is at US 1 in Kittery. Between its termini, US 1 Bypass intersects Interstate 95, U.S. Route 4, New Hampshire Route 16, and the Spaulding Turnpike in Portsmouth, as well as State Route 103 in Kittery.

The bypass crosses the Piscataqua River on the 1940 Sarah Mildred Long Bridge, a lift bridge maintained by the Maine-New Hampshire Interstate Bridge Authority.

2.748 miles (4.422 km) of the route are in New Hampshire; 1.6 miles (2.6 km) are in Maine.

Aiken truck route

U.S. Route 1 Truck was established in 2000, requiring tractor-trailers to avoid downtown Aiken, via Robert M. Bell Parkway. It is cosigned with SC 118 and other various truck routes.

Cheraw truck route

U.S. Route 1 Truck was established in 2002, requiring tractor-trailers to avoid downtown Cheraw, via Cash Road, 2nd Street, and Front Street. It is cosigned with US 52 Truck.

West Grove alternate truck route

U.S. Route 1 Alternate Truck (US 1 Alt. Truck) is a southbound truck route around a weight-restricted bridge that carries the southbound lanes of the US 1 freeway over Guernsey Road in West Grove, Pennsylvania, on which trucks over 36 tons and combination loads over 40 tons are prohibited. The route follows PA 841, Evergreen Street, Baltimore Pike, and PA 796.

Philadelphia alternate truck route

U.S. Route 1 Alternate Truck (US 1 Alt. Truck) is a truck route around a weight-restricted bridge on US 1 over SEPTA's Cynwyd Line in Philadelphia, Pennsylvania, on which trucks over 36 tons and combination loads over 40 tons are prohibited. The route follows US 30 on Lancaster Avenue and Girard Avenue, Belmont Avenue, and a one-way pair along Belmont Avenue northbound and Conshohocken Avenue southbound.

Jersey City 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, from which trucks are banned. 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.

Former Jacksonville alternate route

Not to be confused with the current U.S. Highway 1 Alternate, another U.S. Highway 1 Alternate existed as a special U.S. Route in Jacksonville, Florida between 1958 and 1960. It bypassed US 1/90 to the west via the Acosta Bridge, over the St. Johns River, and shared a brief concurrency with a former segment of former US 17 between Roosevelt Avenue and Bay Street, then ran straight north along Broad Street toward US 1/23. Today this segment is simply part of State Road 13.

Southern Pines alternate route

U.S. Route 1 Alternate (US 1A) was established around 1957, replacing the old mainline US 1 through Southern Pines, via May Street. It was decommissioned by 1962.

Sanford alternate route

U.S. Route 1 Alternate (US 1A) was established around 1957, replacing the old mainline US 1 through downtown Sanford, via Carthage Street and Hawkins Avenue. It was renumbered in 1960 as US 1 Business.

Cary–Raleigh alternate route

U.S. Route 1 Alternate (US 1A) may have appeared in 1933 as a second route between Cary and Raleigh; it was cosigned with US 70 on Western Boulevard. Maps cease showing the route by 1936.

Raleigh alternate route 1

The first U.S. Route 1 Alternate (US 1A) in Raleigh, was established in 1946 as new routing along Louisburg Road (cosigned with NC 59), then along new road (today's Capital Boulevard) back to Wake Forest Road. In 1948, US 1 and US 1A switched routes.

Raleigh alternate route 2

The second U.S. Route 1 Alternate (US 1A) in Raleigh, was established in 1948 as a route switch with mainline US 1 onto Wake Forest Boulevard. It was decommissioned by 1957.

Henderson alternate route

U.S. Route 1 Alternate (US 1A) was established around 1957, replacing the old mainline US 1 through Gill and downtown Henderson, via Raleigh Road and Garnett Street. It was renumbered in 1960 as US 1 Business.

Florida City–Homestead business loop

U.S. Route 1 Business was a business route of US 1 in South Dade County that was a part of US 1's original route through Florida City, Florida and Homestead, Florida. It was formed in the mid-1960s, when US 1's routing was shifted east, bypassing the central parts of the towns. It ran concurrently with State Road 997 southernmost segment. It was deleted in 1968, and much of the route is under SR 997.

Raleigh business loop

U.S. Route 1 Business was established in 1963, replacing the old US 1 through downtown Raleigh, via Hillsborough Street, McDowell/Dawson Streets, Downtown Boulevard and North Boulevard (today's Capital Boulevard). It was decommissioned in 1975.

Jersey City business spur

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.

Philadelphia bypass

U.S. Route 1 Bypass (US 1 Byp.) was a bypass of a segment of US 1 from Swarthmore to Philadelphia in Pennsylvania. US 1 Byp. began at US 1 (Baltimore Pike) north of Swarthmore, heading north concurrent with PA 320. The route split from PA 320 by turning northeast onto State Road. US 1 Byp. continued northeast along Township Line Road, becoming concurrent with US 13 Byp. and intersecting PA 3 in Llanerch. The two routes continued northeast and became City Avenue, forming the border between Montgomery County to the northwest and Philadelphia to the southeast. Along City Avenue, the bypass route intersected US 30 Byp. (Haverford Road/Avenue), US 30, and PA 23 (Conshohocken State Road/Conshohocken Avenue). Upon crossing the Schuylkill River, the bypass routes intersected US 309 (Lincoln Drive) and US 422 Alt. (Ridge Avenue) and continued east along East River Drive. US 1 Byp./US 13 Byp. continued northeast along Hunting Park Avenue, intersecting US 309 Truck (Germantown Avenue) before ending at US 1/US 13/US 611 (Broad Street). US 1/US 13 continued northeast at this point on Roosevelt Boulevard. US 1 Byp. was first designated by 1940 to run from Swarthmore to Northeast Philadelphia, continuing past Broad Street along Roosevelt Boulevard. By 1950, the Roosevelt Boulevard became mainline US 1. US 1 Byp. was decommissioned by 1960, having been replaced with mainline US 1 along State Road, Township Line Road, City Avenue, and Hunting Park Avenue.