PT quality classes (A–D) show how well a municipality is connected to public transport. Class A means best connectivity (station with express train stop), Class D limited connectivity. 2’161 municipalities with PT data in total.
Highest PT quality class: rail stop with frequency ≤5 min or multiple tram/bus lines nearby.
256 municipalities
Rail stop with frequency ≤10 min or dense bus/tram connections.
1034 municipalities
Regular bus/rail connection with frequency ≤20 min.
195 municipalities
Limited PT connectivity, usually only individual bus lines with longer intervals.
676 municipalities
PT quality classes are an indicator by the Federal Office for Spatial Development (ARE) that evaluates a municipality's public transport connectivity. They are based on distance to the nearest stop and its service frequency.
Class A stands for highest connectivity quality (e.g. train station with IC/IR stop within walking distance), while Class D describes basic connectivity. Municipalities without a PT quality class have no or minimal public transport.