The MARTA line at the airport is heavy rail. You’re right not to rank it that high because there are basically only two main heavy rail lines (with a couple of spurs) so there are a lot of places it doesn’t go, but for the places it does go, it gets there just as fast as any other real subway.
The MARTA line at the airport is heavy rail. You’re right not to rank it that high because there are basically only two main heavy rail lines (with a couple of spurs) so there are a lot of places it doesn’t go, but for the places it does go, it gets there just as fast as any other real subway.