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What Causes Roads to Buckle in the High Heat?

  • On June 25, 2025, roads in Ohio began buckling under intense heat caused by a heat wave affecting much of the U.S.
  • This event occurred because concrete expands in extreme temperatures, pushing pavement slabs upwards until the surface cracks and buckles.
  • Officials reported hundreds of road buckles nationwide, with older, heavily trafficked roads most affected and local crews monitoring to patch damaged spots.
  • Matt Bruning, spokesperson for Ohio’s transportation agency, explained that pavement heaves occur when expanding concrete has no space left to grow. He advised motorists to reduce their speed to stay safe.
  • The buckling highlights vulnerabilities in aging infrastructure and implies costly repairs ahead while officials advise caution amid continued extreme heat.
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FOX5 Las VegasFOX5 Las Vegas
+4 Reposted by 4 other sources
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What causes roads to buckle in the high heat?

When the heat cranks up, so does the pressure on the roads, literally.

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  • 79% of the sources are Center
79% Center
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WABC broke the news in on Wednesday, June 25, 2025.
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