Camera security use to be a guy looking at 20 TV's. Then came motion detection. Today we can do much more of course. You would have a set of certainly not good situations, a set of certainly good and a set of things a human should look at.
It's of course fine to automatically shut down a few trains per year if it doesn't create a dangerous situation in it self.
It's of course fine to automatically shut down a few trains per year if it doesn't create a dangerous situation in it self.