Research On The Choice Of Public Transport Travel Mode Chain

With the development of urban economy and the change of traffic mode,the traffic jam and the security problem is more and more serious,the priority development of public transport has become the basic outlet of urban traffic problems.As the description of the travel process in public transport network,the calculations of the public transport travel mode chain cost comprehensive considerate a variety of travel indicators.Comprehensive analyzing the choice of public transport travel mode chain from the point of view of the traveler has important significance to enhance the attractiveness of public transport,reduce the cost of residents travel and improve the efficiency of residents travel.Researching the choice of the different attributes of the travelers in the public transport travel mode chain by using the combination of theoretical research and case analysis.First of all,The paper studies the cost of public transport travel and the transfer cost of public transportation from the connotation of public transport travel mode chain cost.Completing the trip mode chain cost calculation model based on the influence factors of the income level,age and gender of the selected.Secondly,combining the city public traffic network characteristics and knowledge of graph theory,which describes the city public traffic network.Establish public transport path line chain cost selection algorithm by combining the trip mode chain cost and DFS depth first algorithm.Calculating the selection probability of each effective trip mode chain.Finally,a case analysis of the regional public transport network in Dalian city is carried out.Determine the Dalian public transport residents trip mode chain related parameters through practical statistical investigation.The proposed model and algorithm are verified by calculating the choice of trip mode chain of different attribute residents in public transport network.The case analysis results verified the rationality of the proposed model.