is one of the primary routes between Northwest and Central Florida, having been recently upgraded to four lanes along its entire length.

is a 3.473-mile-long (5.589 km) business route of US 27 that partially exists in the city limits of Attapulgus, Georgia.

[11][12] In 1989, an eastern bypass of Attapulgus, designated as SR 831, was proposed from east-southeast of the city to north-northwest of it.

They pass Willis Park and then split at Calhoun Street, with SR 97/SR 309 heading east and US 27 Bus./SR 1 Bus.

is a 4.315-mile-long (6.944 km) business route of US 27 that exists completely within the city limits of Blakely, Georgia.

Just to the east of Early County High and Middle schools, SR 62 (Columbia Street) joins the concurrency.

The concurrent highways continue northward, crossing over some railroad tracks of Norfolk Southern Railway and intersect SR 62 Byp.

[21][22] In 1992, an eastern bypass of Blakely, designated as SR 838, was proposed from south-southeast of the city to north-northeast of it.

Just south of the city limits, they intersect the northern terminus of Edison Highway, which leads to SR 216.

In downtown, they intersect US 82/SR 50 at the town square (which functions like a traffic circle around a memorial park).

[32][33] In the third quarter of 1939, the southern part of the Randolph County portion of the Cuthbert–Lumpkin segment also had a completed hard surface.

It curves to the north-northeast and crosses over some railroad tracks of CSX Transportation before leaving the city.

[45][46] By February 1948, it was extended northwest into Columbus, on Cusseta Road, then right onto 10th Avenue, and then left on 8th Street to end at US 27/US 280/SR 1.

[46][52] Between April 1949 and August 1950, its northern terminus was shifted east-northeast, onto Brown Avenue, to end at SR 103 (Buena Vista Road).

is a 4.748-mile-long (7.641 km) business route of US 27 that exists almost entirely within the city limits of Bremen, Georgia.

The business routes head to the northeast, enter Haralson County, and briefly leave the city limits.

They curve to the north-northwest and pass Higgins General Hospital at a point just west of Bremen High School.

[50][61] Between September 1938 and July 1939, a portion in the southern part of the city also had a completed hard surface.

[33][34] About 50 years later, in 1988, a western bypass of Bremen, designated as SR 793, was proposed from south-southwest of the city to north-northwest of it.

The business routes travel to the northwest, paralleling some railroad tracks of the Norfolk Southern Railway.

After intersecting SR 120, it travels on a bridge over the railroad tracks, which switch to the west side of the business routes.

They leave Buchanan and curve to the north-northeast before reaching their northern terminus, a second intersection with US 27/SR 1 north of the city.

[8] Between April and October 1934, a portion in the southern part of Buchanan had a "completed hard surface".

is a 4.222-mile-long (6.795 km) business route of US 27 that exists entirely within the city limits of Cedartown, Georgia.

They travel on an overpass over US 27/SR 1/SR 100 and curve to the north-northwest and briefly parallel some railroad tracks of Norfolk Southern Railway.

It curves to the northwest and travels on a bridge over some railroad tracks of Norfolk Southern Railway before reentering the city limits of Rome.

The entire current length of SR 1 Loop (and the entire length of the unbuilt portion in between the two sections) 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.

Between July 1957 and June 1960, it was established on East 12th Street from US 27/US 411/SR 1/SR 53 (Cave Spring Road) east-southeast to SR 101 (Dean Avenue).

[19][20] Nearly 50 years later, an eastern bypass of LaFayette, designated as SR 730, was proposed from southeast of the city to north-northeast of it.

Those in Lansing, St. Johns, Ithaca, Alma, St. Louis, Mount Pleasant, Clare, and Harrison have been renumbered as business routes of US 127.