便捷低碳出行与优质公共交通体系

“公交都市”倡导的可持续发展理念为公共交通发展指引了方向并得到广泛认可。然而，对“公交都市”理念的误解和在实际行动中的偏离，使得最初的目标往往难以实现。首先分析公交出行分担率的作用和特征，指出建设“公交都市”不应过分看重公交出行分担率的短期提高，公共交通体系的建设应聚焦便捷和低碳目标。提出优质的公共交通体系应是由功能分层清晰、覆盖各层次服务水平要求的多种公共交通方式组合形成一体化体系。最后，以便捷低碳为纲要，从轨道交通系统、公共汽（电）车系统、辅助公交系统三方面探讨构筑优质公共交通体系的途径。

Efficient,Low-carbon Travel and High-Quality Public Transportation System

The concept of sustainable development for “transit-oriented cities” has been widely recog-nized. However, the initially proposed objectives are difficult to achieve due to the misunderstandings and unreasonable practice in“transit-oriented cities”development. By analyzing the functionalities and char-acteristics of public transit mode share, this paper points out that the“transit-oriented city”does not just target for increasing public transit mode share. It is also aimed for the efficiency and low-carbon transit ser-vice development. The paper proposes an integrated public transportation system including multiple public transit means with clear functionality hierarchies and different level of services. Finally, targeting the exist-ing problems with focus on the efficiency and low-carbon improvement, the paper provides suggestions on the development of rail transit, bus and auxiliary public transit system, respectively.