轻轨铁路是从有轨电车发展起来的,但今天的轻轨铁路已 经远远不是原来的有轨电车了。自20世纪30年代到50年代,欧美各国先后进入了汽车化时代,原有的有轨电车线纷纷被拆除了。随后各种汽车特别是小轿车泛滥成灾,造成道路拥挤,交通阻塞,环境污染日趋严重,引起人们普遍不满。70年代以后,由于能源危机,城市人口猛增,城市规模日益扩大,城市交通压力日趋 Light rail transit is developed from the tram, but today the light rail is far from the original tram. From the 1930s to the 1950s, the countries in Europe and the United States entered the automobile age one after another, and the original tram lines were dismantled in succession. Subsequently, various vehicles, especially cars, flooded, resulting in road congestion, traffic congestion, environmental pollution is becoming more serious, causing widespread dissatisfaction. Since the 1970s, due to the energy crisis, the rapid growth of urban population and the increasing scale of urban areas, urban traffic pressure has become increasingly