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随着世界各国城市化进程的加速,城市交通问题已成为当今世界上许多城市所面临的难题之一,而在发展中国家,交通拥挤也日趋严重。 据统计,截止1998年底,我国共有城市672个,城市人口36989万,其中人口 200万以上的超大城市12个,100至200万之间的特
With the acceleration of urbanization in all countries in the world, the problem of urban transport has become one of the problems facing many cities in the world today. In developing countries, traffic congestion is also getting worse. According to statistics, as of the end of 1998, there were 672 cities in our country with an urban population of 369.89 million, including 12 mega-cities with a population of over 2 million and between 100 and 2 million