北京市区地下有铁道,地上有立交桥,桥上还有桥,但是,塞车现象仍然时有发生,交通设施尚在“近代化”阶段的大中城市,塞车情况如何严重便可想而知了。 塞车的根本原因不是交通设施太差,否则,像北京这样的大城市岂不要处处建立交桥,使马路像楼房,有“一层”、“二层”、“三层”之说?根本原因是出租车(的士、面的)太多, There are railways in Beijing’s urban area, overpasses on the ground and bridges on the bridges. However, traffic congestion still occurs from time to time. Traffic facilities are still in large and medium-sized cities in the “modernization” stage. . The root cause of traffic congestion is not the poor transport facilities. Otherwise, do not metropolitan cities like Beijing have to cross over everywhere to make the roads look like buildings? There are “first floor”, “second floor” and “third floor” Taxi (taxis, noodles) too much,