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The Northeast Corridor (NEC) is an electrified railway line in the Northeast megalopolis of the United States. Owned primarily by Amtrak, it runs from Boston through New York City, Philadelphia, and Baltimore to Washington, D.C. The corridor is used by many Amtrak trains, including the high-speed ''Acela Express'', intercity trains, and several long-distance trains. Most of the corridor also has frequent commuter rail service, operated by the MBTA, Shore Line East, Metro-North Railroad, New Jersey Transit, SEPTA, and MARC. Several companies run freight trains over sections of the NEC. The NEC closely parallels Interstate 95 for most of its length, and is the busiest passenger rail line in the United States by ridership and service frequency as of 2013. Branches to Harrisburg, Pennsylvania, and Springfield, Massachusetts, though not considered part of the Northeast Corridor, see frequent service from routes that run largely on the corridor. Much of the line is built for speeds higher than the allowed on many U.S. tracks. Amtrak can operate intercity ''Northeast Regional'' and ''Keystone Service'' trains at up to , as well as North America's only high-speed train, the ''Acela Express'', which runs up to on several sections in Massachusetts and Rhode Island. ''Acela'' covers the between New York and Washington, D.C., in under 3 hours, and the between New York and Boston in under 3.5 hours. Under Amtrak's $151 billion Northeast Corridor plan, which hopes to roughly halve travel times by 2040, trips between New York and Washington would take 94 minutes. ==History== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Northeast Corridor」の詳細全文を読む スポンサード リンク
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