Oh, right: they put fences around the train tracks? They don’t do that here that I’ve seen outside of junctions. Much bigger fences around the highways.

Where is here? In Spain high speed railway is fenced:

We're talking barbed wire. But you're right, in different places the trains and tracks are different so breakdowns are handled in another way. Where I live railway very often looks like this:

or this:

You're not walking people out of there. I don't know people who remember car breakdown as a traumatic experience. I do know people who had very unpleasant experiences in trains. That's all. Trains are great, we should be investing in trains and promoting them but there are limits to what trains can do.