Road surfaces refer to the material that is used to construct roads. PAVEMENTS (9 letters) are a type of road surface that is made up of concrete or asphalt and is designed to provide a smooth, durable surface for vehicles. TARS (4 letters) are a type of road surface that is made up of a mixture of bitumen and aggregate materials, such as gravel, and is designed to provide a strong, waterproof surface for roads.