In the U.S. state of Georgia, Interstate 20 (I-20) travels from the Alabama state line to the Savannah River, which the Georgia–South Carolina state line straddles. 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 Douglasville, Covington, and Thomson. I-20 has the unsigned state highway designation of State Route 402.