50年代以来,尽管世界各国采取了各种各样的城市交通对策,但城市交通拥挤问题一直没有得到很好的解决。例如日本东京虽然拥有强大的轨道交通系统,完善的巴士系统,较好的市内高速道路和一般道路网系统,但为什么城市交通问题还如此严重?其根本原因就是东京人口高度集中,土地开发强度过高,城市功能过度集中。再如泰国曼谷城市交通问题严峻众所周知,并 Since the 1950s, despite all kinds of urban traffic strategies adopted by various countries in the world, the problem of urban traffic congestion has not been well solved. For example, although Japan Tokyo has a strong rail transit system, a well-established bus system, a good city expressway and a typical road network system, but why the problem of urban transport is so serious? The fundamental reason is Tokyo’s highly concentrated population, land development intensity Excessive concentration of urban functions. Another example is the well-known urban traffic problems in Bangkok, Thailand, and