A15:
Area which can only be used by pedestrians and pedal cyclists.
B125:
Footways, pedestrian areas and comparable parks or car parking decks.
C250:
For gully tops installed in the area of curbside channels of roads.
D400:
Carriage ways of roads(including pedestrian streets), hard shoulder and parking areas, for all types of road vehicles.
E600:
Areas of imposing high wheel loads, e. G. Dock and aircraft pavements.