Eli5 why runways don’t seem to suffer from potholes like highways do?

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How are runways different form highways that they never seem to have potholes? Is it how they’re constructed? Or how they’re maintained?

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Anonymous 0 Comments

It’s salt!
They are not going to use salt on a runway because it is too corrosive to vital electronics, and the aluminum shell of the planes.
It’s no standing water!
Most potholes are created when freezing water expands while freezing.
It’s TLC!
If you only need to take care of a small amount of road It’s easy to keep it clean, sturdy, and clear of debris

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