Earlier quoted context omitted.
> Putting things on the rails waiting for the train to see what happened. Everything from rocks [...] What happened / happens? I've always wondered. I guess the rock gets crushed? What about trams, where the rails are instead submerged in a "crack" in the ground? We did dumpster diving too and playing with fire :-)
Somewhat related https://youtu.be/agznZBiK_Bs?si=iax3oQ67Wn-_umpk
Thanks! Amazing that the trains are that hard to derail, and that's back in the 1940's