The base layer can be either stones packed together without any binding agent or a combination of stone and asphalt binder. Once road builders make the base, it is time to build the asphalt ...

Machinery maker the Wirtgen Group, part of John Deere Construction & Forestry, recently tested its Generation X2 round-shank ...

“As long as nothing is loose, as long as the asphalt binder hasn’t been destroyed ... to create minimal surface damage to the top layer of the asphalt surface, the pavement now is in stage ...