Ok, here's another option, and I've driven most of this route: From I-75 South in North Georgia, south of Resaca, take GA Highway 53 South (4 lane divided) to Rome Georgia There catch US 27 South, do not take Alt US 27 in Carrolton, stay on US 27 until it crosses I-185 north of Columbus GA; Take I-185 south through Columbus, where it turns in to US 280, US 280 South to Richland where the expressway turns into GA 520 to Albany; Then take US 82 East to I-75 in Tifton. Trust me it's not as complicated as it sounds. I-185 turns into a 4-lane divided highway at Fort Benning, and if you stay on the 4-lane it will take you all the way to Tifton. Most of this route is 4-lane divided, mostly light traffic, and not much farther in distance than going down I-75, but, it will take about an hour longer. If I wanted to avoid Atlanta, that's the route I would take, but having worked in Atlanta for 30 years, I'd go straight through on I-75.