Road roller
![Caterpillar soil compactor equipped with padfoot drum, being used to compact the ground before placing concrete](/Images/godic/202502/07/John_Deere_roller,_U.S._Navy,_Camp_Covington,_NMCB-133,_080928-N-1106H-0010738.jpg")
![An old diesel-powered road roller](/Images/godic/202502/07/Roadroller0738.jpg")
![Road roller DS-31 (Bieldartehnika JSC )](/Images/godic/202502/07/386x254_DS_31_copy0738.jpg")
![Horse-drawn road roller from 1800](/Images/godic/202502/07/Deutsches_Straßenmuseum,_Germersheim._Horse-drawn_road_roller_010738.jpg")
A road roller (sometimes called a roller-compactor, or just roller) is a compactor type engineering vehicle used to compact soil, gravel, concrete, or asphalt in the construction of roads and foundations, similar rollers are used also at landfills or in agriculture.