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文章在简要分析城市客运交通枢纽发展历程的基础上，指出近年来国外发达城市的大型客运交通枢纽的发展普遍具有大型化、综合化和立体化的趋势和特征；并对这种趋势的内在原因进行了详细分析，指出这是运输业发展到一定阶段后，在交通资源日趋紧张的约束下，保证乘客出行更方便的同时，又能实现大型客运交通枢纽网络经济的必然要求；最后指出交通规划在大型客运交通枢纽的形成中具有重要的作用。

The Development Tendency and Its Reasons of Foreign City's Large Passenger Transportation Hub

On the basis of analysis of the development of urban passenger transportation hubs,this paper has pointed out that large passenger transportation hubs in developed cities tend to be enormous,integrated and tridimensional in recent years and has analyzed the intrinsic reasons in detail.It is the inevitable request for large passenger transportation hubs to make the passengers' travel more conveniently and realize its economies of transportation network as well when the transportation networks have developed in the special phase and the restraint of the transportation resources is increasing seriously.Finally,the paper has emphasized that transportation planning acts as an important role in forming large passenger transportation hubs.