Metal fabrications Footbridge, Road viaduct, Railway viaduct, Underpass, Overpass, Subway, Culverts, Road tunnel, Railway tunnel, Pedestrian tunnel, Canal tunnel, Under river tunnel, Undersea tunnel, Highways, Crossroad, Ring road, Trunk road, Secondary road, Access road, Slip road, Dual carriageway, Single carriageway, Road junction, Pedestrian ways, Pedestrian overpass, Footpath