Although MARTA train and bus service does not operate 24 hours, it does run every day of the year. See below to learn about MARTA hours and train frequency. MARTA Hours of Operation Weekday: 4:45 a.m. to 1:15 a.m. Weekend: 6 a.m. to 1:15 a.m. Train Frequency Weekday Peak: 6 a.m. to 9 a.m. and 3 p.m. to 7 p.m. Every 10 minutes Weekday Midday: 9 a.m. to 3 p.m. Every 12 minutes Weekday Early Evening: 7 p.m. to 8:30 p.m. Every 12-15 minutes Weekend, Holidays and All Other Times Every 20 minutes Rail Schedules View MARTA Train Schedules for more information. It is also very helpful to download the MARTA on the Go app for quick access to real-time train arrivals, maps and printed schedules.