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Extreme heat across the U.S. has caused roads in Minnesota and elsewhere to buckle.
The Minnesota Department of Transportation tweeted to alert drivers of the issue.
"Driver alert: extreme heat could cause pavement buckles across the state," it wrote. "If you see buckling on your route, try to avoid driving over it and call 911 to report it. Pavement buckles are emergencies and we fix them ASAP."
On its website, the department explained that pavement buckles occur when the air temperature changes from moderate to extreme heat.
Pavement buckled in Minnesota (Minnesota Department of Transportation)
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"When a road is constructed it is cut into segments creating a space for expansion and contraction. Sometimes that space is not enough and when that happens the pavement buckles or blows up, particularly when the pavement is older and weaker. The warmer the temperature the more the pavement material expands. The sun heats the pavement, and the pavement expands and then buckles," it said.
Buckles occur most commonly on older concrete pavements. Conversely, blacktop pavement is a more flexible material.
Extreme heat has caused Minnesota roads to crack (Minnesota Department of Transportation)
While it does not usually blow up, it could create a bump that is similar to a frost heave.
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Drivers, the department warned, should not try to drive over buckles on roads, if possible.
Instead, they should slow down, move into another lane and call 911.
The Minnesota Department of Transportation warned drivers about extreme heat impacting roadways (Minnesota Department of Transportation)
According to FOX Weather, the Texas Department of Transportation said hot weather in the state caused a road to "bleed."
The department treated the road with water to cool it down.
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Record-breaking heat has impacted regions across the country for the past couple of weeks, with advisories in effect from Texas to the East Coast.
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