In Australia, Bouygues Construction Australia is contributing to the construction of the Metro Tunnel in Melbourne as part of a public-private partnership (PPP). The Metro Tunnel project includes the construction of a 9 kilometer-long twin tunnels and five new underground metro stations, as well as the development of parks, pedestrian areas and shops in the public spaces around these stations. The Metro Tunnel will increase the capacity of Melbourne's public transport network and relieve congestion in the existing network.