建立便捷、畅通、安全、绿色的城市交通系统是城市发展的永恒主题。虽然世界各国城市因历史文化背景、经济社会发展水平和人口产业布局不同,影响着城市交通的发展历程,呈现出多样性的交通特征,但20世纪由城市化进程带来的交通问题,使各国普遍意识到城市公共交通的重要性,优先发展公共交通已成为国际社 The establishment of convenient, smooth, safe, green urban transport system is the eternal theme of urban development. Although the cities in the world have different transportation characteristics due to their different historical and cultural backgrounds, different levels of economic and social development, and different industrial layouts, the development of urban transport has been affected. However, the traffic problems brought by the urbanization in the 20th century have made all countries It is generally recognized that the importance of urban public transport and the priority of public transport have become the international community