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Why Do Roads Buckle in Extreme Heat?
It's 100 degrees outside.
Your steering wheel is approximately the temperature of the sun.
The air conditioner is doing its best.
Then you see it.
A section of pavement ahead looks like somebody pushed the road together from both ends and made it pop upward.
Sometimes it happens fast enough to become a traffic hazard.
The road buckled.
But why?
Concrete looks pretty solid.
How does a material strong enough to carry tractor-trailers suddenly decide to stand up in the middle of the highway?
The sh
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Oct 29th 2026