The motorway system, which was constructed from the 1950s onwards, is stated by the British Chambers of Commerce to be, by virtually every measurement of motorway capacity, well below the capacity of other leading European nations, They give comparative figures for a selection of nations of (units = km/million population): United Kingdom 60, Luxembourg 280, Spain 225, Austria 200, France 185, Belgium 165, Denmark 165, Sweden 165, Netherlands 140, Germany 140, Italy 115, Finland 100, Portugal 80, Greece 45 and Ireland 30. although many other roads are of near motorway standard.