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1 问题的提出 北京西客站于1996年1月21日正式开通运营,它是我国规模最大的铁路客站之一。为便于客流的集散,作为北京西客站市政配套工程,1993年开始修建北广场。北广场的建成使用对西客站的客流集散起到了巨大作用。但是近几年随着西客站客流量的增大(目前铁路日均到发客运量为13～14万人次,公交乘客日登降量为24.5万人次),北广场经常出现交通堵塞现象(南广场
1 PROBLEM PROBLEMS Beijing West Railway Station was officially opened and operated on January 21, 1996. It is one of the largest railway stations in China. In order to facilitate the distribution of passenger flow, as Beijing West Railway Station municipal supporting projects, construction of the North Square in 1993 began. The completion of the North Square to use the passenger flow West Railway Station played a huge role. However, with the increase of passenger traffic at the West Railway Station in recent years (at present, the number of daily passenger traffic on the railway is 130,000 to 140,000 and that of public transport passengers is 255,000 on Sundays), the traffic congestion phenomenon often occurs in the North Square