The Acela pulled into Penn Station a few minutes late, arriving at 12:55 p. m.

阿西乐抵达宾夕法尼亚站的时间是中午12点55分，晚了几分钟。

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With some exceptions on Amtrak's Acela and North East corridor tracks, level crossings are attuned to limits of 50mph for freight and 80mph for passenger trains.

虽然也有例外，如美铁的亚塞拉和东北快线，这两条线路在十字交叉口对于火车速度限制在50英里/小时以内，对于客车则限速在80英里/小时以内。

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The Tier IIstandards only impact the Amtrak Acela Service on the Northeast Corridor because Acela is currently the only Tier II application operating in the United States.

Ⅱ级标准仅对东北走廊线的美铁阿西乐客运快线服务有效，因为阿西乐是美国目前唯一应用Ⅱ级标准运行的客运快线。

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China is also catching up. Meanwhile in the U.S., the fastest train,known as Acela, reaches less than half those speeds and only operates between Washington, New York and Boston.

VOA: standard.2010.02.15

Kulm says Amtrak's Acela is already competing with the airlines.

VOA: standard.2010.02.15

Amtrak blames the poor economy and reduced business travel for the decline in Acela's ticket sales.

ECONOMIST: Business travel

Its signature line, the high-speed Acela, operates in the Northeast and is aimed at premium-paying business travelers.

CNN: Amtrak is on track to weather any spending cuts

Amtrak says its Acela Express and Northeast Regional Service between New York and New Haven are indefinitely suspended.

WSJ: How the Conn. train crash will affect commuters