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New roadway technology could help surface problems

Material scientists at the University of Minnesota Duluth, Delft University of Technology in the Netherlands, ETH Zurich and Swiss research organization Empa are exploring new technologies to replace bitumen with self-healing asphalt on roadways. The 2017 Infrastructure Report Card from the American Society of Civil Engineers gave US roadways a D because 20% of its highway pavement is in poor condition.

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