In 1980 you could generally still identify the L&N and SCL run-throughs and the West Point Route trains by their power, but that would start changing soon as 'Family Lines' went from marketing gimmick to operational reality.
Photos taken in the Deep South--primarily Alabama and Georgia--from the 1970s to the early 2000s. Featured railroads include the ICG, the West Point Route, SCL, Southern, Frisco, and even KCS.