Road construction machinery is a kind of machinery used to build and maintain roads. It is also called "road machinery". There are mainly circuit breakers, bulldozers, scrapers, leveling machines, loaders, rollers, etc. When the pavement needs to be paved, there are pavement engineering machinery such as pavement material preparation and paving machinery, as well as auxiliary engineering machinery such as lifting, transportation and stone processing. http://www.jianermachine.com/road-construction-machinery/