解放以来,由于人口、交通、居住、公益设施、用地、环境等一 系列问题,使城市处于超饱和状态。全国各大城市如北京、上海、广州的交通状况已到难以容忍的地步。大陆各大城市中车辆平均时速仅3公里。上海在上班高峰时公交车内每平方米竟挤着十二、三人,坐车犹如相扑。而在广州,专家预言:若无地铁,200年广州将全线瘫痪,整个广州会成为一个大停车场。 Since the liberation, due to population, transport, housing, public facilities, land, environment and a series of issues, so that the city in a super-saturated state. Traffic in major cities such as Beijing, Shanghai and Guangzhou has reached intolerable proportions. The average speed of vehicles in major cities in mainland China is only 3 kilometers per hour. Shanghai rush to work every square meter of the bus actually crowded twelve or three, the car is like sumo. In Guangzhou, experts predict: Without subway, 200 years in Guangzhou will be paralyzed across the board, the entire Guangzhou will become a large parking lot.