JHU Sheridan Libraries/Gado // Getty Images We’ve come a long way from what are thought to be the first constructed roads on earth, streets paved with mud bricks and bitumen built in Mesopotamia around 4000 B.C. Today, there are more than 4 million miles of finished roads across the U.S.—enough to circle
The post The History of How Roads Are Built, and What Future Construction May Look Like appeared first on The General Insurance Blog.
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