The official mobile ticketing app for the 2017 APTA Annual Meeting & Expo.Skip the lines and get your fare straight to your phone. Introducing the APTA2ATLmobile ticketing app! This is the easiest way to load and apply your fare when ridingMARTA’s buses and trains during the 2017 APTA Annual Meeting & Expo. The pilot app is only available for those attending the 2017 APTA Annual Meeting & EXPO in Atlanta, GA and it will be available between October 6th, 2017 through October 25th, 2017.Also, download the MARTA On the Go App for real time bus and rail information to help plan your trips around the city.