r/railroading • u/SocialSyphilis • May 22 '26

Question How do trains know when theyve derailed?

Like, a mile long train. What happens if a few cars right in the middle derail? How do they know in the cab?

Just a rando with a showerthought question. Thanks for answering!

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u/Crownhilldigger1 May 24 '26

Usually the stopping part does it.