North Station is a commuter rail and intercity rail terminal station in Boston, Massachusetts. It is served by four MBTA Commuter Rail lines – the Fitchburg Line, Haverhill Line, Lowell Line, and Newburyport/Rockport Line – and the Amtrak Downeaster intercity service. The concourse is located under the TD Garden arena, with the platforms extending north towards drawbridges over the Charles River. The eponymous subway station, served by the Green Line and Orange Line, is connected to the concourse with an underground passageway.