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. site elements

Anotations

Scope note:

Refers to wooden or metal posts on a ship, whale-boat, quay, or pier, used for securing ropes. Bollards made of concrete may be used to prevent passage by automobiles into pedestrian spaces. For indicators sited in roadways that may indicate wayfinding or obstructions, use "traffic bollards."