第二次世界大战后,欧洲有轨电车大范围“寿终正寝”,而美国早在此20年前有轨电车已呈颓势。特别是加利福尼亚州则大拆有轨电车网,有轨电车为公共汽车所取代,而后公共短途客运逐渐萎缩。这种交通政策后果严重,尤以洛杉矶突出:1961年最后一辆电车消失,巨大的高速公路网 After the Second World War, the European tram reached the end of a large scale, while the tram in the United States was in decline as early as 20 years ago. In California, in particular, large-scale tramcar networks were demolished, trams were replaced by buses, and public short-haul passenger traffic was gradually shrinking. The consequences of such a traffic policy are serious, especially in Los Angeles: the last tram disappeared in 1961, a huge network of freeways