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.

In some parts of the world, road rollers are still known colloquially as steam rollers, regardless of their method of propulsion. This typically only applies to the largest examples (used for road-making).

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