Methodology Of The Regional Feeder Bus Network Optimization And Adjustment Under The Condition Of New Rail Transit

Giving priority to the development of the integration of public transport is an important measure for the sustainable development of society.Historical experience shows that the development of public transport system can effectively solve urban traffic congestion,environmental pollution and it is one of the effective ways to improve the traffic transportation efficiency and improve the overall appearance of the city.With rail transit as the backbone and routine bus as the auxiliary operation mode,it can effectively alleviate urban traffic problems.Feeder bus,as a king of bus,which has the features of flexible mobility and efficiency operational.Through effective connection with rail transit,They can give full play to their respective advantages,improve the service level of urban public transport,and give full play to the transport benefits of the entire network.This paper is based on the research of feeder bus and rail transit network design problem which domestic and foreign scholars have been studied.The overall network optimization was carried out by studying the synchronization optimization of the pick-up line network and the pick-up timetable.Firstly,this paper analyzes the different functions of feeder bus and rail transit.To explanation that different mode of transportation has took on different function and cooperated through their respective advantages.By comparing their respective economic and technological characteristics,service characteristics and network space relations to instruction,feeder bus is a special kind of tool for rail transit evacuate passenger.It can make up for the low density of rail transit network and traffic blind area.It is one of the most efficient means of transportation for resident.Secondly,This paper analyzes the orbital sites that need to be picked up for transit services by establishing an orbital site selection model..The standard is the turnover of passenger flow.Then by improving the model of Aggregate effect function to generate reasonable radius.The classification of bus stations provides the basis for the generation of candidate lines.Then heuristic algorithm is used to generate the analysis of the candidate bus lines of the bus and finally generate the candidate line set.Then,this paper analyzes the objective function and constraint condition of the optimization of feeder bus network.The model is built based on the minimum of cost of passengers and operating company and the maximum number of passengers.It is a Multi-objective programming.For the solution of feeder bus network design problem(FBNDP),the Genetic Algorithm is selected as the solution and the optimal solution is calculated by comparing the advantages and disadvantages of various Heuristic Algorithm.Finally,to choose the Hefei subway line 2 as an example.Through the design of modeland solving algorithm to verify the optimization model of urban rail transit and feeder bus network has certain feasibility and operability.