杭州市是浙江省的政治、经济、文化中心,也是国际著名的旅游大都会。每年旅游高峰期进出杭州的大约2000万外来旅客,其人口流动量通常可以达到20多万人/天(以每人在杭州停留3天计算)。而其市内交通方式却十分落后,除了公共汽车和客运出租车之外,就再也找不出第三种更为有效的 Hangzhou is the political, economic and cultural center of Zhejiang Province and an internationally renowned tourist metropolis. About 20 million foreign tourists coming and going to and from Hangzhou during the peak tourism season each year usually have a population flow of more than 200,000 people / day (staying in Hangzhou for 3 days per person). The city's transport is very backward, in addition to buses and passenger taxis, they can no longer find a third more effective