This Sub-class includes: •construction of motorways, streets, roads, other vehicular and/or pedestrian ways •surface work on streets, roads, expressways, bridges and/or tunnels: - asphalt paving of roads - road painting and/or other marking - installation of crash barriers, traffic signs and the like •construction of railways and/or underground railways •construction of airfield runways
•general contractors (non-building construction), see 42101 •bridge, tunnel, viaduct and expressway construction, see 42103 •construction of water and gas pipe-lines, see 42201 •construction of communication lines and power lines, see 42202 •construction of playground systems and/or outdoor sports facilities, see 42909 •rental and leasing of construction equipment without operator, see 77330