Asphalt covers more than 94 percent of all paved roads in the U.S., and as a result we don’t spend too much time thinking about it (unless we are unfortunate enough to drive over a pothole). However, the history of asphalt and how it became the paving material of choice in this country is actually rather interesting. The history of asphalt as a road-paving material actually begins with the Babylonians, who used naturally occurring deposits of asphalt to build roads
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