| Dark circle |
| Road topper |
| Road surface |
| Ground cover |
| Type of road |
| Road material |
| Road covering |
| Paving material |
| Parking surface |
| Tar alternative |
| Type of roadway |
| Type of pavement |
| It may make a lot |
| Playground makeup |
| It might make a lot |
| Compressed pavement |
| Playground material |
| Road-surface material |
| Crushed-stone surface |
| Driveway paving material |
| Broken stone used in paving |
| Pavement of compacted stone |
| You can make a lot out of it |
| Broken stone used in pavement |
| Name associated with road surfaces |
| Surfacing traveled on by Davis and Smith |
| Road surface made of broken stone and tar |
| Paving material named for a Scottish engineer |
| Technique involving three layers of interlocking stones |
| Early 19th-century invention named after a Scottish engineer |