Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Single Built Works (hierarchy name)
5. single built works (built environment)
6. [single built works by specific type]
7. [single built works by function]
8. transportation structures
9. transportation buildings
10. road transportation structures

Anotations

Scope note:

Relay stations or rest stops set along ancient Roman and Byzantine roads (through the 7th century) and providing for the minimal needs of travelers. For stopping places for overnight stays along these ancient routes, use "mansiones."