: The modern MBTA was officially formed in 1964 to consolidate failing private streetcar and commuter rail lines under a single public banner.

: Debuting in 1897 as the Tremont Street Subway, it predates the New York City Subway and continues to serve as a vital light rail artery.

: Today, the network encompasses heavy rail (Red, Orange, and Blue lines), light rail (Green Line and Mattapan High-Speed Line), an extensive bus network, regional commuter rail, and harbor ferries. ⚠️ Decades of Crisis and Neglect