Asphalt paving

Asphalt is similar to concrete, both materials are largely comprised of aggregate, sand, and a cohesive binder. In the case of concrete, the binder is cement. By comparison though, in the case of asphalt the binder is a petroleum-based type of material bitumen material similar to tar.

The pictures below showed two examples of asphalt paving in Washington DC at a parking lot. Asphalt paving

 

In this case the bitumen cohesive surface of the asphalt has faded and worn to some extent and the aggregate component of the asphalt is clearly visible.