Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Information Forms (hierarchy name)
5. information forms (objects)
6. document genres
7. [documents by form]
8. graphic document genres
9. cartographic materials
10. maps (documents)
11. [maps by subject type]

Narrower term/s

• plotting charts
• navigation charts[+]
  • aeronautical charts [+]
    • airline maps
  • nautical charts [+]
    • coastal charts
    • marine charts [+]
      • bathymetric maps
    • river charts
    • admiralty charts
• bus route maps

Anotations

Scope note:

Maps that represent the routes and other features of a transportation system; usually restricted to ground transportation although routes for ferries and other water transportation may be included.