A road roller, also known as a soil compactor, is a type of road construction equipment. Road rollers belong to the category of road equipment in construction machinery, and are widely used for filling and compaction of large-scale engineering projects such as high-grade highways, railways, airport runways, dams, and stadiums. Subgrade stabilized soil and asphalt concrete pavement layer. The road roller utilizes the gravity of the machine itself and is suitable for various compaction operations to permanently deform and compact the calendered layer. There are two types of road rollers: steel wheel type and tire type.