CLASS A15 Areas to be used only by pedestrians and cyclists. CLASS B125 Pavements, pedestrianised areas and similar surfaces,parking areas and multistorey car parks. CLASS C250 For covering devices installed on roadsides and in gutters at the side of streets. CLASS D400 Road surfaces (including pedestrianised streets), hard shoulders and parking areas for vehicles of all kinds. CLASS E600 Areas used by heavy vehicles, such as surfaces in airport and dock facilities. CLASS F900 Areas sudject to particularly heavy loading, for example surfaces in airports