It began to lose money in the mid 20th century, and in 1968 it merged with its competitor, the New York Central, to form the Penn CentralTransportation co.
20世纪中期开始亏损，1968年被其对手纽约中央铁路公司并购，成立宾州中央运输公司。
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This paper describes the technical methods to apply the technology of railway computer interlocking software test into the centraltransportation control system of Metro.
The harsh weather destroyed crops, wrecked power lines and cut off transportation for a wide region in central and southern parts of the country, where the winter weather is usually temperate.