https://en.wikipedia.org/wiki/Metropolitan_Atlanta_Rapid_Transit_Authority#Rapid_transit
"The Atlanta Metro stations are 2.1km apart on average, reduced to 680m in downtown Atlanta. All stations have a 183m-long platform, allowing them to accommodate eight-car trains."
https://www.railway-technology.com/projects/atlantametrorail
https://www.youtube.com/watch?v=TTKqaVW72Rc 2 & 4 car trains
https://www.youtube.com/watch?v=HaKuEQFHjt8 6 car train
Recorded 3-7-17.
Atlanta Airport Bound 1985/2003 Hitachi/Breda CQ311/CQ312 Gold Line coming from North Avenue Station and now arriving at Civic Center Station.
Then Airport bound Gold Line departing out of Civic Center Station heading towards Peachtree Center as it's next station stop.
https://www.youtube.com/watch?v=FyFaXB6AeQQ 6 car train