Class 50 Very light duty for pedestrian areas like gardens, patios and driveways

Class B125 Domestic driveway thresholds for family cars, vans and and small private
car parks

Class C 250 Lightly trafficked roads, gutters and places that extend from the kerbstones
up to 0.5m in the roads and up to 0.2m in the sidewalks

Class D 400 Main roads, highways and high traffic areas like public car parks

Class F 900 Docks and airports, extreme heavy duty applications