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随着机动化和城市化发展进程的 加快,我国城市交通发生了巨大的变化。城市机动车拥有量每年以两位数的速度增长,轨道交通等交通基础设施进入大规模规划建设时期。城市布局和城市环境正发生着结构性的变化。交通堵塞、交通污染已经严重地影响到城市的可持续发展。
With the accelerating process of motorization and urbanization, great changes have taken place in urban traffic in our country. Urban motor vehicle ownership grows at a double-digit annual rate, and transportation infrastructure such as rail transit has entered a period of large-scale planning and construction. Urban layout and urban environment are undergoing structural changes. Traffic congestion and traffic pollution have seriously affected the sustainable development of the city.