随着我国改革开放的深入,经济的繁荣发展,近几年,城市人口和城市数目迅速增加,据资料统计:到1994年底我国共有城市510个,其中100万人口以上的大城市达35个,全国城市人口达3亿多,城市流动人口超过8000万,由于城市人口的增加,导致城市交通运输量迅猛增加,然而,由于缺乏快速大容量的交通工具,加之交通管理设施不足和管理水平低下,目前,城市交通堵塞严重,由此造成的损失每年达上百亿人民币,城市交通的 With the deepening of China’s reform and opening up and the flourishing economy, the number of urban population and cities has rapidly increased in recent years. According to statistics, by the end of 1994, China had 510 cities, of which 35 were large cities with more than 1 million population. Due to the increase of urban population, urban traffic volume has increased rapidly. However, due to the lack of rapid and large-capacity transport facilities, coupled with inadequate traffic management facilities and low management levels, the urban population in the country has reached over 300 million with a floating population of over 80 million. At present, the urban traffic congestion is serious, resulting in losses of up to 10 billion yuan each year, urban traffic