Abstract：Research purposes: Based on the intercity rapid railway network plan and its characteristic of passenger flow & function of Beijing, Tianjin and Hebei, the paper analyzes the staple of its intercity rapid railway network plan.
Research methods: Considering the characteristic of passenger flow & function of intercity rapid railway and primary problem of socio-economic, cluster of cities and transport economic zone in this district, the main factor of the intercity rapid railway network is ensured.
Research results: There are large advantages about location and resource in the factors mentioned foregoing. With the development of these factors and economic, the amount of people who get round for business, tour and home will increase, and people will pursue for favorable and convenient trip, faster travel rapidity, comfortable trip condition, etc. The intercity rapid railway can satisfy people in these fields. There will be plenty of passengers among the district. And it will support the planed intercity rapid railway network.
Research conclusions: The forming and development of socio-economic cluster of cities and transport economic zone in this district is the main factor of the intercity rapid railway network.
2006, Vol. 23 
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