U.S. Highway 23 | ||||
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 US 23 highlighted in red | ||||
| Route information | ||||
| Maintained by GDOT | ||||
| Length | 392 mi (631 km) | |||
| Existed | 1930–present | |||
| Major junctions | ||||
| South end |      US 1 / US 23 / US 301 / SR 15 / SR 4 at the Florida state line northwest of Hilliard, FL | |||
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| North end |  US 23 / US 441 and  SR 15 at the North Carolina state line in Dillard | |||
| Location | ||||
| Country | United States | |||
| State | Georgia | |||
| Counties | Charlton, Ware, Bacon, Appling, Jeff Davis, Telfair, Dodge, Bleckley, Twiggs, Bibb, Monroe, Butts, Henry, Clayton, Fulton, DeKalb, Gwinnett, Hall, Habersham, Rabun | |||
| Highway system | ||||
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U.S. Highway 23 (US 23) in the U.S. state of Georgia is a north–south United States Numbered Highway that travels from the St. Marys River south-southeast of Folkston to the North Carolina state line, in the northern part of Dillard. At nearly 392 miles (631 km) in length, it is the longest U.S. Highway in Georgia.
US 23 is signed concurrently with various state highways. It uses State Route 4 (SR 4) from Florida to a point north of Alma, SR 15 from Florida to Racepond, SR 23 in Folkston, SR 121 from Folkston to Racepond, SR 520 and SR 38 in Waycross, SR 19 from north of Alma to Lumber City, SR 135 Truck in Hazlehurst, SR 27 from Hazlehurst to Eastman, SR 165 in Chauncey, SR 27 Business (SR 27 Bus.) and SR 117 in Eastman, SR 87 from Eastman to Macon, SR 257 in the Empire area, SR 112 near Cochran, SR 19 from East Macon to the northern part of Macon, SR 540 from East Macon to the eastern part of Macon, SR 11/SR 49 in Macon, SR 87 from Macon to Flovilla, SR 42 from Flovilla to Atlanta, SR 16 and SR 36 in Jackson, SR 138 in the Stockbridge area, SR 10 from Atlanta to Druid Hills, SR 8 from Atlanta to Decatur, SR 155 from Decatur to the Brookhaven–Chamblee city line, SR 13 from the Brookhaven–Chamblee city line to the Sugar Hill–Buford city line, SR 20 within Buford, SR 365 from Buford to east-southeast of Clarkesville, SR 15 from northwest of Cornelia to the North Carolina state line, and SR 2 in Clayton.
Concurrencies of US 23 with U.S. Highways in Georgia are US 1 from Florida to north of Alma, US 301 from Florida to the Folkston–Homeland city line, US 82 in Waycross, US 84 in Waycross, US 221 Truck in Hazlehurst, US 341 from Hazlehurst to Eastman, US 129 Alternate (US 129 Alt.) from north of Cochran to Macon, US 80 from East Macon to Macon, US 129 in Macon, US 278 from Atlanta to Druid Hills, US 29/US 78 from Atlanta to Decatur, US 129 in Gainesville, US 441 from northwest of Cornelia to the North Carolina state line, and US 76 in Clayton. Between Buford and Gainesville, it also has a concurrency with Interstate 985 (I-985).