It needs... robots. Robots for all the things that a commuter doesn't directly interact with. The humans belong in the human interface and can remain in the s

It needs... robots. Robots for all the things that a commuter doesn't directly interact with. The humans belong in the human interface and can remain in the stations; MAYBE as actual patrols on the train looking to provide assistance and keep the peace (and also having access to get in to the control area in case an over-ride is required).