常规道路公交线网对城市轨道交通线网特性的影响

Impact of Conventional Bus Transit Network over Urban Rail Transit Network Performance

城市轨道交通线网具有复杂网络的特性,运用复杂网络理论对其进行研究存在必要性和合理性。研究了常规道路公交线网对城市轨道交通线网特性的影响。通过应用复杂网络的理论、模型和方法对此影响进行分析,发现常规道路公交线网可以用来弥补城市轨道交通线网存在的先天不足(比如投资大、密度低等)。以深圳市轨道交通线网为例,对比分析了其作为一个独立网络系统和在常规道路公交大背景环境下的关联网络系统所呈现出的不同网络特性。研究表明,常规道路公交线网对城市轨道交通系统的平均最短路径、网络效率、网络费用等网络特性有正相关影响。

Urban rail transit network features complicated performances,so the theory of complex network is used to analyze the necessity and rationality of the network.In this paper,the impact of conventional bus network over the performance of urban rail transit network is investigated.An analysis of the impact based on the theory of complex networks,on different models and methods reveals that the bus network could make up the congenital deficiencies of urban rail transit,such as the big investment and low density.Taking Shenzhen rail transit network as an example of independent network system,the characters of the connect network system in the background of conventional bus transit are comparatively analyzed.The result shows that bus network has an impact of positive correlation over the network characters,such as the average shortest paths,network efficiency and costs for urban rail transit network.