Originally Posted by
pamann
I can’t remember the gate numbers ‘back in the day’ at SAT1, or if they have changed? But I can confirm that the transit system (APV) has been there and in use since the current terminal opened in 1991. It never used to go as far as SAT2 however. That addition came later.
The Track Transit System (TTS) and Advance Passenger Vehicle (APV) are two separate things. The TTS takes you to Gate 1-19 and 20-39 and the APV is Gates 90-93.