I built an airport using the concourse hubs as satellites. I set up a metro line internal to the airport (used monorail to bring cims to the airport). Inbound traveling cims ignore or don't recognize the metro stations underneath the hub. The only cims flying were those visiting the airport lounges. I know the game recognizes the metro line because I watched cims from my city use the monorail to travel to the airport, debark the monorail, and access the metro from the terminal in order to get to a job in the cargo section of the airport. I wondered if maybe the airport was just too far away from any sites for tourists to read it as an efficient journey to spawn, so I attached the concourse hub to the terminal with a network concourse. Immediately hundreds of cims started visiting. So I'm fairly certain that tourist cims simply don't "see" the metro station underneath each hub.
I am using the most recent version of the game and play on PC.
I am using the most recent version of the game and play on PC.