Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Transportation Vehicles (hierarchy name)
5. vehicles (transportation)
6. land vehicles
7. [land vehicles by form]
8. guideway vehicles
9. rail guideway vehicles
10. transit railway vehicles
11. rapid rail transit vehicles

Anotations

Scope note:

Electrically powered rail rapid transit vehicles with a control cab at one or both ends, two or more double doors on each side, and designed to operate singly or in multiple units and for fast boarding at high-level platforms.