Paved roads existed until very recently. Although a handful of strong civilizations, such as the Roman Empire, built relatively complex road systems but the rest of the world is still largely ungoverned. There were modern roads, as well as asphalt pavers.

Prior to the time that the asphalt paver was invented during the 19th century roads were constructed mostly manually using simple equipment like shovels and picks. The roads could be “paved” using the method of finding or creating a lot of smooth stones which were set in the earth by hand. It was costly and took long to build such roads.

If you imagine an asphalt paver, you probably think of the paver using a huge metal drum. This is an essential component of the machines. But, the hopper , which spreads out the asphalt to be pave is also crucial. In order to build an asphalt hopper, it requires a lot of precision and skillful hands. Paving asphalt roads with no bucket would be more difficult.

Asphalt has finally paved the road to modern society. Asphalt roads are the major component of the roads that have been paved in the United States because it is cost effective and roads are durable for a long period of time. 42w8skwcjg.