. . . . . . . "main line" . . . . . . . . . . . . "Northeast Railroad Corridor" . . . . "level crossings on the Northeast Corridor" . . . "735470.208" . . . . "Amtrak Main Line\u2014New York to Philadelphia" . . . . . . . . . "1917" . . . . . "New Haven to Boston electrification" . . "Northeast Corridor Improvement Project" . . . "railroad tracks" . . . . "Northeast Corridor" . . . . . "PRR main line" . "main article" . . . "Amtrak Northeast Corridor" . . . . . "1834" . . . "Northeast Corridor#Northeast Corridor Improvement Project" . . . . "Northeast Corridor: New York\u2013New Haven" . . . . . . . . . . . . . "electrified routes" . "High-speed Northeast Corridor" . . . . . . . . . . . . "Proposed" . . . . . . . "grade crossings on the Northeast Corridor" . "New Northeast Corridor" . . . . . . . . . "NEC" . . . . . . . . . . . . . . . "high-speed corridor between New Brunswick and Trenton" . . . . . . "Northeast Corridor line" . . . . . . . . "Amtrak Main Line\u2014New York to New Rochelle" . . . "Baltimore to New York Amtrak line" . "Amtrak Main Line\u2014New Haven to Boston" . . . . . . . "northeastern" . . . . . . "Amtrak" . . . . "Northeast Corridor (NEC)" . . "108" . . . . . "Amtrak Main Line\u2014Philadelphia to Washington" . "east-west passenger service" . . . . . . "Philadelphia\u2013Washington Main Line" . . "Northeast Corridor rail line" . "Northeast Corridor" . "Northeast" . . . . . . . "PRR's main line" . "Northeast Corridor Line" . . . . . . . "Shore Line" . . . .