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COLUMBIA, S.C. (AP) - South Carolina transportation officials are expecting a rash of potholes from two rounds of winter weather over the past two weeks.

The Greenville News reports that melting water seeping through cracks in the pavement is the chief culprit. That water can freeze, expanding and creating open space. The road then sinks and a pothole is formed.

The Department of Transportation is still recovering from keeping roads clear during the storm and hasn't begun to address the pothole problem.

But former DOT Chairman Johnny Edwards says he always got plenty of pothole calls after winter storms.

Edwards says the problems are made worse because the state's $275 million budget for road maintenance isn't enough to keep South Carolina roads in good shape.

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