私人汽车拥有量和出行量的迅猛增加,使城市交通拥挤和堵塞日益加剧。由于公共交通具有人均占有道路资源低的显著优势,因此许多城市实施公共交通优先发展战略,以期缓解城市交通拥堵问题。但是,大多数城市公共交通现局限为道路公共汽车一种形式,面对迅猛发展的私 The rapid increase in the number of private cars and the number of trips made the city increasingly crowded and jammed. Because public transport has the distinct advantage of having a low per capita possession of road resources, many cities implement public transport priority development strategies with a view to alleviating urban traffic congestion. However, the majority of urban public transport is now limited to a form of road bus, in the face of the rapid development of private