The Lisbon Metro is a rapid transit system in Lisbon, Portugal. Inaugurated on December 29, 1959, the Lisbon Metro was the first metro system in Portugal, ushering in a new era of urban mobility. The system's four lines serve a total of 44.5 kilometers (27.7 mi) of route and 56 stations. As Lisbon continues to develop as a dynamic and cosmopolitan centre, the Metropolitano de Lisboa remains an integral part of the city fabric, symbolizing a blend of modern transport, cultural aesthetics and environmental responsibility. Whether ferrying locals to work or ferrying tourists to iconic sites, the Lisbon Metro is testament to the seamless integration of urban infrastructure with the historical and artistic tapestry of Portugal's capital.