Treno Metropolitano, formally recognized as a staple in Italy's regional rail network, was inaugurated in 1984. However, its foundational roots trace back to Italy's early railway expansions in the 19th century. Over the years, Treno Metropolitano has played an essential role in enhancing urban and suburban connectivity across various Italian cities. Its relentless focus on modernization and reliable service has cemented its place as a key player in Italy's comprehensive transportation framework, contributing significantly to the region's accessibility and economic integration.