arrangement array assemblage assemble background building concrete construction England english Great Britain iron London metal rebar reinfoced reinforce reinforcing ridged rods rusty strength strong texture abstract appearance compacted compacting firm firming flatten flattened groundwork level leveled leveling levelled levelling mark marked preparation prepared preparing sand sandpad work workmen yellow yellow-sand asphalt black bollards care careful caution changes changing circular cloud-formation clouds cones curb curbing curbs danger delineators edging fill footpath infrastructure mobile-lighting public-space red road-junction road-surface roads roadside roundabout slow-down slower speed-reduction street street-lighting surface surfaces surfacing T-junction temporary thoroughfare traffic traffic-cones traffic-flow uneven-surfaces warning witches-hats