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铁路运量不断地、持续地增长是修建一昼夜可通过300多对列车的四线铁路的原因。在美国、英国、联邦德国、法国、荷兰已得到广泛的推广应用,如英国多线铁路已占铁路营业里程的12%。多线铁路通常配置在大城市和铁路枢纽的进出口处,如巴黎枢纽16条铁路的进路大部分为多线铁路。1906年汉堡枢纽曾修建了四线铁路,两条正线用于通过远程及市郊列车,另两条正线用于通过市郊和市内列车。
The continuous and sustained growth of rail traffic is the reason for the construction of a four-lane railway that passes 300 pairs of trains a day and night. In the United States, the United Kingdom, the Federal Republic of Germany, France, the Netherlands has been widely promoted, such as the British multi-line railway has accounted for 12% of the railway mileage. Multi-line railway is usually configured at the entrances and exits of metropolitan and railway hubs. For example, most of the 16 railway lines in the Paris hub are multi-line railways. The 1906 Hamburg Hub was constructed with a four-lane railway, two main lines for passing remote and suburban trains and the other two main lines for passing through suburban and municipal trains.