Traffic plan cost is traffic infrastructure construction, maintenance financing source.
交通规费是交通基础设施建设、维护的资金来源。
The plan for the constrUction of urban rail transit must meet the demand of metropolis traffic, and achieve the purpose of Iow cost, high operation efficiency, and quick flnancial retum.
城市轨道交通建设规划首先要解决大城市交通的需求，并达到建设耗资低、运营效率高、见效快的目的。
The plan for the constrUction of urban rail transit must meet the demand of metropolis traffic, and achieve the purpose of Iow cost, high operation efficiency, and quick flnancial retum.
城市轨道交通建设规划首先要解决大城市交通的需求，并达到建设耗资低、运营效率高、见效快的目的。
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