Based on the GIS analysis meth ods,considering the existing of geographic gaps in the planning area and the service level of road transport,we modify the general continuous location model,to get the discontinuous impedance function,and through simulation analysis of cost minimization of passenger transport to get the optimal location of passenger transport hub.%城市公路客运枢纽的科学选址已成为城市总体规划和交通规划中不容忽视的重要环节，基于GIS分析方法，在考虑选址规划区域内存在地理阻断和路网运输服务水平的情况下，对一般的连续型选址模型进行修正，得到非连续型的阻抗函数，并通过成本费用最小化模拟分析客运枢纽的最优选址。
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