[1][2] On December 18 the same year, the North-South Line was extended northward to Midtown and Arts Center.

[1][2] Finally, Doraville (later the northern terminus of the Gold Line) opened on December 29, 1992.

[10] On March 25, 2024, Andre Dickens, the mayor of Atlanta, announced plans for four new infill stations on the MARTA rail network, with one of them, Murphy Crossing, being a station on the Red and Gold Lines' shared section.

When major single tracking occurs, Red Line train service operates between North Springs and Lindbergh Center stations only.

It turns south through Midtown and enters downtown Atlanta, where it meets the Blue and Green Lines at Five Points station.