Asphalt is a oil based product. Its pretty nasty. Mixed with rocks and you get pavement. There was some talk about classifying it as a hazardous waste especi

Asphalt is a oil based product. Its pretty nasty. Mixed with rocks and you get pavement. There was some talk about classifying it as a hazardous waste especially when then grind the top surface off roads when repaving. It does work well as a durable driving surface. https://en.wikipedia.org/wiki/Asphalt https://en.wikipedia.org/wiki/Asphalt