Atlanta traffic is a cluster without any problems, add in weather or an accident and it gets bad, I can't imagine what it will be like with a major road closed. Back in December I drove 14 hours straight because I couldn't leave until early afternoon and there was no way I was stopping north of Atlanta and fighting rush hour traffic if I could drive a few more hours and get south of town. Coming home I stopped after only 7 hours driving because I didn't want to fight Friday afternoon rush hour, way better to go through Saturday morning. Basically if I didn't hate 77 through the mountains I'd do almost anything to avoid normal Atlanta traffic so the idea of driving through there any time in the next few months gives me cold sweats and I'm hundreds of miles away =)