St. Augustine business loop U.S. Highway 1 Business (
US 1 Bus.) in
St. Augustine, Florida, is a
business route of
US 1. From its southern terminus at US 1 to the intersection with
SR 16, it carries the hidden
FDOT designation of
State Road 5A (
SR 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 Bus. begins at the intersection of US 1 and King Street (
County Road 214, or CR 214). US 1 Bus. travels east on King Street, with a short water crossing of the San Sebastian River 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
SR A1A just west of the
Bridge of Lions toward
Anastasia Island, US 1 Bus. 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. US 1 Bus. and SR A1A run along the west shore of the
Matanzas River then curves to the northwest in front of the
Castillo de San Marcos. At West Castillo Drive, the name changes to San Marco Avenue. At May Street, SR A1A heads east, splitting off from US 1 Bus. A bit further north, it intersects with the eastern terminus of SR 16 at Picolata Road. Six blocks to the north, US 1 Bus. terminates at US 1.
Major intersections {{FLint
Waycross business loop U.S. Highway 1 Business (
US 1 Bus.) is a
business route of
US 1 partially in the
city limits of
Waycross, Georgia. It is
concurrent with
US 23 Bus. and
State Route 4 Bus. (SR 4 Bus.) for its entire length. US 1 Bus./US 23 Bus./SR 4 Bus. begins at an
intersection with US 1/
US 23/
SR 4 (known as Memorial Drive south of this intersection and South Georgia Parkway west of it) and
US 82/
SR 520 (also known as South Georgia Parkway). The business routes travel northwest on Memorial Drive. The green
traffic island on the north-northeast of the intersection is named the Millie DeShazo Triangle. They extend into the heart of Waycross, while the mainline route of US 1/US 23/SR 4 heads west across the southern portion of the city. They immediately curve to the west-northwest and begin paralleling
CSX Transportation's
Brunswick Subdivision. Just past Harrison Street, they pass
Memorial Stadium. On a curve to a nearly due west direction, they leave the CSX Transportation tracks and cross over the city drainage canal. They curve to the northwest and travel under a railroad bridge for CSX Transportation's
Jesup Subdivision. Immediately after this bridge is an intersection with
US 84/
SR 38 (Plant Avenue) and the eastern terminus of Carswell Avenue. The business routes turn to the right and travel northeast on a
concurrency with US 84/SR 38 for approximately . The five highways immediately begin paralleling the Jesup Subdivision and pass an office of the
Georgia Department of Labor. US 1 Bus./US 23 Bus./SR 4 Bus. then turns left onto State Street, also signed as
Ossie Davis Parkway, and travel to the northwest. They curve to the north-northwest and pass Wacona Elementary School. An intersection with Tebeau Street leads to a
Mayo Clinic hospital. The three highways curve to the north-northwest. Between Charlton and Clough streets, the southbound lanes meet the northern terminus of Johnson Avenue, a
one-way street, at a partial interchange. Just north of Abner Street, they begin paralleling another CSX Transportation rail line, specifically the
Fitzgerald Subdivision. They cross over
Kettle Creek, where they leave the city limits of Waycross. They curve to the west-northwest and leave the rail line. An intersection with the northern terminus of Airport road leads to the Erin Johnson Softball Complex,
Ware State Prison, St. Illa Substance Abuse Center, the Ware County Sheriff's Office, and the Southland Waste Transfer Station. This intersection is just north of
Waycross–Ware County Airport. They continue in a northwesterly direction and then reach their northern terminus, a second intersection with the US 1/US 23/SR 4 mainline. Except for the far northern end, the entire length of US 1 Bus. is part of the
National Highway System, a system of routes determined to be the most important for the nation's economy, mobility, and defense. US 1 Bus./SR 4 Bus. was established in 1996, replacing the old mainline US 1/SR 4 through Waycross, via Memorial Drive, Plant Avenue, State Street, and Alma Highway.
Major intersections Swainsboro business loop U.S. Highway 1 Business (
US 1 Bus.) is a
business route of
US 1 that is partially within the
city limits of
Swainsboro, Georgia. It is
concurrent with
SR 4 Bus. for its entire length. US 1 Bus. and SR 4 Bus. begin at an
intersection with US 1/
SR 4/
SR 57 south of Swainsboro. They travel to the north-northeast on South Main Street and immediately curve to the north-northwest. Just before an intersection with both the eastern terminus of Mixon Road and the western terminus of Quick Road, they curve back to the north-northeast. Just before an intersection with the eastern terminus of Gary Road, they curve to a nearly due north direction. Just north of this intersection, they enter the city. Just south of an intersection with the western terminus of Tiger Trail, they pass
Swainsboro High School. Just south of an intersection with Glenwood Road, they begin a curve to the northwest. An intersection with Meadowlake Parkway leads to
East Georgia State College. Between this intersection and one with the eastern terminus of Harmon Drive, they skirt along the northeastern edge of Harmon Park. The business routes then curve to the northwest. In downtown is an intersection with
US 80/
SR 26/
SR 56 (signed as West and East Main Street, while US 1 Bus./SR 4 Bus. are signed as South and North Main Street). US 1 Bus. and SR 4 Bus. continue to the northwest and leave the city limits of Swainsboro. They pass an office of the
Georgia State Patrol. Just past an intersection with the eastern terminus of Stallion Road, they curve to the west-northwest just before reaching the northern terminus of both highways, another intersection with the US 1/SR 4 mainline. The entire length of US 1 Bus. is part of the
National Highway System, a system of routes determined to be the most important for the nation's economy, mobility, and defense. The next year, US 1/SR 4 were shifted onto this bypass. Their former path through the city was redesignated as US 1 Bus./SR 4 Bus.
Major intersections Wadley business loop U.S. Highway 1 Business (
US 1 Bus.) is a
business route of US 1 that is mostly within the
city limits of
Wadley, Georgia. It is
concurrent with
SR 4 Bus. for its entire length. It travels north through the heart of downtown, while the main route of US 1/SR 4 heads through the eastern part of the city. US 1 Bus. and SR 4 Bus. begin at an intersection with the US 1/SR 4 mainline just south of the city limits of Wadley. Here, the roadway continues as Kennedy Road. They travel to the west-northwest and immediately curve to the north-northwest. Just south of an intersection with the eastern terminus of Coleman Chapel Road, they curve to a nearly due north direction. Almost immediately, they cross over the
Williamson Swamp Creek and enter Wadley. Between an intersection with the southern segment of Railroad Street and an intersection with the eastern terminus of the northern segment of Railroad Street and the southern terminus of Wall Street, the business routes cross over two separate
railroad tracks of the
Norfolk Southern Railway. At an intersection with College Avenue, they pass the Wadley Public Library. From just south of Spann Street to just north of Smith Street, they travel to the east of Battle Pond. Between an intersection with the western terminus of Stevens Street and the Smith Street intersection, they cross over some railroad tracks of the former Louisville and Wadley Railroad. Just north of Smith Street, they leave the city limits of Wadley. Right after this point, they meet a former path of US 1. Just north of Wynder Smith Road, the northbound lanes curve to the northeast. Immediately, they reach their northern terminus, a second intersection with the US 1/SR 4 mainline. In 1966, SR 4 Bus. was established from US 1/SR 4 south-southeast of Wadley to US 1/SR 4 north of it. The next year, US 1 Bus. was established on the route of SR 4 Bus.
Major intersections Louisville business loop U.S. Highway 1 Business (
US 1 Bus.) is a
business route of US 1 completely within the
city limits of
Louisville, Georgia. It is
concurrent with
SR 4 Bus. for its entire length. US 1 Bus. and SR 4 Bus. begin at an
intersection with the US 1/SR 4 mainline in the southeastern part of the city. This intersection is also the western terminus of Bob Culvern Road, which has no access to the business routes. This intersection is just west of Louisville Municipal Airport. The two highways travel to the northwest on East Broad Street and cross over Savannah Branch. Almost immediately, they intersect the northern terminus of a former segment of US 1. Between an intersection with the southwestern terminus of Pecan Street and one with Screven Street, they pass the Louisville Public Library, the Jefferson County Water Department, and the Jefferson County Chamber of Commerce. Just past Screven Street, they pass the
Jefferson County Courthouse. At an intersection with Green Street, the roadway's northbound and southbound lanes diverge, with a grassy
median. Here, they enter downtown. Just before an intersection with
US 221/
SR 24 (Peachtree Street), the northbound and southbound lanes come back together. The business routes turn right onto US 221/SR 24. The four highways travel concurrently to the northeast. At West 9th Street, they pass an office of the Jefferson Electric Cooperative. Here, SR 24 splits off and then the other three highways pass Helen Clark Memorial Park and an office of
Georgia Power. At an intersection with the southern terminus of 10th Street, the highways curve to the north-northeast. On this curve, they pass the Jefferson County Board of Education and the Louisville City Hall. Between an intersection with the eastern terminus of Academy Street and an intersection with the northwestern terminus of Forest Street, they pass Jefferson Hospital. A short distance north of Forest Street, the northbound lanes curve back to the northeast before intersecting US 1/SR 4/
SR 17 in the northern part of the city. Here, US 1 Bus. and SR 4 Bus. end, while US 221 joins the mainline concurrency to the north. In 1966, SR 4 through the city was shifted off of US 1. Its former path became SR 4 Bus. The route is also signed through Trenton on what was once designated
US 1 Alt., which continued over the
Lower Trenton Bridge to
Morrisville, Pennsylvania. The northern portion of what was US 1 Alt. in Pennsylvania is now
State Route 2060 (SR 2060), while the southernmost section is part of
Pennsylvania Route 32 (PA 32).
Warwick business route Damariscotta–Newcastle business loop U.S. Route 1 Business (
US 1 Bus.) was established in 1970, which goes through downtown
Newcastle and
Damariscotta, Maine, via Main Street. US 1 Bus. 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 (SR 215). The route then turns to the east, crossing the
Damariscotta River into Damariscotta. US 1 Bus. intersects the northern end of
SR 129 and
SR 130, which end overlapped. The route continues east through Damariscotta, before turning northeast and merging with its parent. ==Bypass routes==