passengers in 2017. Milano Bresso, operated by Aero Club Milano, is a minor general aviation airport. The three major airports are connected by bus to the city center. In addition, Malpensa has a direct rail connection to central railway stations in Milan (notably Centrale and Cadorna) via the Malpensa Express service. Upon completion of Metro line 4, Linate airport will also gain a fixed rail connection to Milan city center and the city's south-western districts. See also Azienda Trasporti Milanesi Integrated ticketing in Lombardy Milan Metro Milan Passerby Railway Milan Suburban Railway Network List of rapid transit systems List of suburban and commuter rail systems References Bibliography Francesco Ogliari, Storia dei Trasporti Lombardi, vol.1 - Dall'Omnibus alla Metropolitana, Milano, Cavallotti Editori, 1976. External links ATM - Milan's Transportation Company Milan Public Transport - English website City of Milan - official website MSR Milano - Unofficial website with the extension projects Metro5 Milano - official website of the Line M5 CityRailways - list of maps of italian transport systems, including Milan Metropolitan City of Milan id:Sistem Transportasi Milan