Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Open Spaces and Site Elements (hierarchy name )
5. open spaces
6. [open spaces by function]
7. transportation spaces
8. roads
9. [roads by material]

Anotations

Scope note:

Tracks or roads prepared for fast transportation, including roads for horses or motor vehicles where the dirt surface has been packed or covered with asphalt or another material, and the course is generally straight and flat, where possible.