I-20 highlighted in red | ||||
Route information | ||||
Maintained by GDOT | ||||
Length | 202.61 mi[1][2] (326.07 km) | |||
Existed | 1963[3]–present | |||
NHS | Entire route | |||
Major junctions | ||||
West end | ![]() | |||
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East end | ![]() | |||
Location | ||||
Country | United States | |||
State | Georgia | |||
Counties | Haralson, Carroll, Douglas, Cobb, Fulton, DeKalb, Rockdale, Newton, Walton, Morgan, Greene, Taliaferro, Warren, McDuffie, Columbia, Richmond | |||
Highway system | ||||
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In the US state of Georgia, Interstate 20 (I-20) travels from the Alabama state line to the Savannah River, which is the South Carolina state line. The highway enters the state near Tallapoosa. It travels through the Atlanta metropolitan area and exits the state in Augusta. The highway also travels through the cities of Bremen, Douglasville, Conyers, Covington, and Madison. I-20 has the unsigned state highway designation of State Route 402 (SR 402).