Do you love Atlanta? Want to help make MARTA better? The MARTA Hackathon series is a yearlong strategic technology initiative led by MARTA, Sandbox ATL, Code for Atlanta, HackGT, and other community groups to help create the next great thing in Atlanta transit. It kicks off October 28-29 in Tech Square with a 24-hour hackathon to create new ideas to increase ridership and improve the rider experience.