It's usually the result of expansion and contraction due to temperature changes, but this should be allowed for by suitable expansion joints. The rails may also buckle if the formation on which the track lies, subsides.
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Train tracks are magnetic.
train tracks or a railroad
Train tracks
the mental rails undergo thermal expansion
The metal undergoes thermal expansion.
The metal undergoes thermal expansion.
There are gaps in railroad tracks to ensure that the tracks will not buckle in extremely hot weather
You don't tie people to the train tracks. You can hogtie them and put them on the train tracks though.
Yes. Train tracks are metal because if they were wooden such fast moving train wheels will cause friction on the wooden tracks, setting them on fire.
You can acquire a cannon for your train on Spirit tracks.
Too allow for expansion when the tracks heat up so they don't buckle.