 Its south end is at Amtrak's Northeast Corridor, over which CSX has trackage rights to reach the Middleboro Subdivision at Attleboro and the Boston Subdivision in Boston (via the Fairmount Line).Its north end is at the Framingham/Worcester Line; the Fitchburg Subdivision continues northwest from Framingham.Special MBTA Commuter Rail trains use the line between Mansfield and Walpole for access to Foxboro station, which is used for New England Patriots home games and other major events at Gillette Stadium.