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1 identifiers linking MARTA rail across the web's reference databases
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The MARTA rail network, a component of the Metropolitan Atlanta Rapid Transit Authority system in Metro Atlanta, has four service lines: the Red, Gold, Blue, and Green lines. The lines span 48 miles (77 km) in Atlanta and the surrounding suburbs along two general corridors. The Red and Gold lines mainly run along the north–northeast corridor, and the Blue and Green Lines run along the east–west corridor. The two corridors connect at the Five Points station, which is the only station where transfers are possible between all four lines. In 2025, the system had a ridership of 30,373,600, or about 152,000 per weekday as of the second quarter of 2026.