A 500 series CSX AC4400, led CSX Q143-22 (North Baltimore,OH-Jacksonville,FL) south as the long intermodal train conquered the unforgiving 7-Mile Hill on the outskirts of the town of Tullahoma, TN (MP J-67.0 NE Tullahoma). The train will continue south arriving at Wauhatchie Yard at dusk. Eventually the train will get an outbound crew and continue south on it's long trek for one of the busiest Intermodal terminal on the CSX System in Jacksonville, FL. Photo was taken at 1/20th shutter speed.