Attico Metro S.A. is a public interest company, which with responsible planning and systematic work implements the development of the Athens Metro network. Today, the two Lines of the Athens Metro have a total length of approximately 59.7 km and 40 modern stations (including the 4 Stations as well as the 20.7 km of the suburban line from the DOUKISSIS PLAKENTIAS station to the Airport) and serve 938,000 passengers. Also, ISAP Line 1 serves more than 460,000 passengers respectively. Thus - together with the Tram and the Suburban - the Metro contributes to the composition of a modern transport network and to the upgrading of the quality of life in the basin.