EN 124 STANDARD

GROUP CLASS LOAD STRENGTH SCOPE INSTALLATION AREAS EXAMPLE
  6
F900 90 Ton (900kN)  Private Areas Areas imposing high whell loads.. Aircraft pavements
  5
E600 60 Ton (600kN) Private Areas  Areas imposing high wheel loads. Roadways and vehicle traffic
  4
D400 40 Ton (400kN) Vehicular Traffic   Carriageway of roads(including pedesterian ways)hard shoulders and parking areas for all types of road vehicles Motorways and vehicle traffic
  3
C250 25 Ton (250kN) Medium Duty  Kerbside channels of roads which when measured from the kerb edge extend a maximum of 0.5m into the carriegeway and a maximum of 2.0m into the footway. Kerbside parking areas
  2
B125 12,5Ton (125kN) Medium Light Duty Footways, pedestrian areas and areas with light duty. Parking areas only for cars
  1
A15 1,5Ton (15kN) Light Duty  Areas which can only be used by pedestian and pedal cyclists. Bicyle ways, pedestrian ways

TYPICAL HIGHWAY CROSS-SECTION SHOWING THE LOCATION OF SOME INSTALLATION GROUPS