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Asphalt repaving Getty

Iowa DOT trying new, potentially safer pothole-filling machine

The Iowa Department of Transportation is testing a new pothole-filling system. Traditionally, the Iowa DOT has filled potholes using conventional hot and cold mix pothole-filling solutions that pair a dump truck and a trailer-mounted hopper, and at least two or three staff to spread the material with shovels and compaction tools. The new system involves…

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