构建合理的、可持续发展的城市公共交通体系,是城市交通乃至城市经济中的重要一环。本文探讨了轨道交通、道路公交、出租汽车的发展现状和构建合理的城市公共交通体系需考虑的因素,并在此基础上,提出构建“保障—市场”机制,通过政府购买轨道交通、道路公交服务,保障大众低成本出行。 Building a reasonable and sustainable urban public transport system is an important part of urban transport and even urban economy. This paper discusses the factors that need to be considered in the development of rail transit, road bus and taxi, and how to construct a reasonable urban public transport system. Based on this, it puts forward the mechanism of “guarantee - market”, through the government to purchase rail transit, Road bus services to protect the public low-cost travel.