Reliability Analysis And Optimization Of Public Transit Routes Network Based On Path Selection

Along with the development of intelligent transportation information,it is easy for passengers to obtain information of transit route from Internet and mobile phone before travel or on travel,which makes them determine the travel mode and travel route.It makes a difference on spatial and temporal distribution of transit system resulting in a certain impact on the reliability of public transit routes network.Current researches at home and abroad mostly focus on reliability caused by network itself.Rare research involves the subjective factor such as passenger’s behavior on path selection.In this paper,the study on public transit routes network is analyzed based on path selection.The main contents are as follows:Firstly,at the perspective of regular transit operation,improving the definition of reliability of public transit routes network through system engineering and the related research results at home and abroad,and analyzing its influencing factors.Research results show that the subject of transit routes,traveler path selection,and other random factors will affect the reliability of public transit routes network.Secondly,analyzes the travelers’ behavior in the process of path selection.Through the traveler path selection behavior questionnaire survey data,analyzes the factors traveler considered when choosing travel path.Research results show that in the process of path selection,travel time,waiting time,transfer times,bus station punctuality,travel costs and travel comfort are main considered factors.From that,a mixed Logit path selection model is established in order to determine the proportion of transit passenger of bus routes.Then,a two-level evaluation system which includes main reliability of bus routes and reliability based on traveler perception is established.The reliability of single bus route is evaluated using entropy method and fuzzy comprehensive evaluation.The proportion of route importance is determined using path selection model.From that,a new calculation about reliability is put up.Finally,combined with field investigation and questionnaire survey,the reliability of longyan is analyzed using the reliability evaluation method proposed in this paper.In order to improve the level of longyan bus operation reliability and service,an optimization of routes network is carried out from the angle of each evaluation index and combining with the actual situation of longyan.