Milan boasts a highly developed and integrated public transportation system managed by ATM (Azienda Trasporti Milanesi), making it incredibly easy for locals and tourists alike to get around. The network primarily consists of five metro lines (M1, M2, M3, M4, M5), an extensive tram system with historic and modern vehicles, and a vast network of buses. These services are designed to connect all key areas of the city, including major attractions like the Duomo, Sforza Castle, Galleria Vittorio Emanuele II, and the fashion quadrilateral. The system operates with a zone-based ticketing structure, but passes like the 24-hour option typically cover the urban area (Mi1-Mi3 zones), sufficient for most tourist itineraries. The metro is particularly efficient for longer distances, while trams offer a scenic way to traverse the city's streets, and buses fill in the gaps, reaching areas not served by rail. Utilizing public transport not only saves time and money but also provides an authentic glimpse into daily Milanese life.