The Red Line is a rapid transit line in the MARTA rail system. It operates between North Springs and Airport stations, running through Sandy Springs, Dunwoody, Atlanta, East Point and College Park.

The Metropolitan Atlanta Rapid Transit Authority is the principal public transport operator in the Atlanta metropolitan area. Formed in 1971 as strictly a bus system, MARTA operates a network of bus routes linked to a rapid transit system consisting of 48 miles (77 km) of rail track with 38 subway stations. MARTA's rapid transit system is the eighth-largest rapid transit system in the United States by ridership.