Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Disciplines (hierarchy name)
4. disciplines (concept)
5. social sciences
6. planning disciplines

Anotations

Scope note:

Planning and management of traffic routes and speed and other regulations with the goal of achieving calm, safe, and environmentally improved conditions on or near roads and streets, and in the community or region as a whole.