Instead of having the guards sitting in the back cabs of trains, reading the paper, on their phones and opening/closing the doors every 10 minutes, have the drivers operating the doors, like they do on the majority of rail companies throughout the land, and then make the guard into a train host, permanently inside the train dealing with security and assistance.
Simple really.
Instead of having the guards sitting in the back cabs of trains, reading the paper, on their phones and opening/closing the doors every 10 minutes, have the drivers operating the doors, like they do on the majority of rail companies throughout the la