Bus Service Capacity Assessmentbased On IC Card And GPS Data

With the increasing congestion of cities,the development of public transportation has become an effective way to solve traffic congestion.As a main method of public transportation system,it is necessary to evaluate its service capability and optimize its system.Based on GPS and IC card data,this paper evaluates the service capabilities of Qingdao bus stations and lines.The main research contents are as follows.Firstly,this paper takes the bus data of the main city of Qingdao as an example,combines the software of GIS and Python to preprocess the GPS and IC card data of the bus,and applies the buffer area matching method and the time matching method to identify the bus passengers on the bus stop.The travel chain method deducts the getting off site,and combines the data of the boarding and unloading site to construct the bus OD matrix,and obtains the 3-day bus OD passenger flow in the main city of Qingdao.Secondly,the service capacity of the bus station is evaluated from the characteristics of the station itself,the distribution characteristics of the passenger flow,the layout of the bus station and the matching of bus demand,and the balance between land use and bus supply.The site’s own characteristics include site density,site coverage,etc.;passenger flow characteristics are mainly from the spatio-temporal distribution of demand;for the first time,the coupled model of spatial geography is applied to the balance assessment of land use and bus supply,first of all,the layout of bus stops and The coupling between the bus demand is evaluated,and then the bus community is established according to the hotspot area distribution of the bus demand.The coupling between the land use property of the regional city and the regional bus supply and demand is evaluated to determine the balance of each bus cell.The bus management department provides a reference basis.Finally,the bus line service capacity is evaluated from the types of bus lines,line passenger flow characteristics,bus interchange characteristics,bus travel routes,and bus line supply and demand balance.The bus line type mainly uses the OD of the bus to reverse the traffic volume of each bus section in the bus network,and uses the cluster analysis method to divide the types of bus sections;the line passenger flow characteristics are derived from the spatial distribution characteristics of the bus passenger flow and the bus demand channel;The bus travel OD deduces the transfer flow of the bus section,and successively excavates the spatial distribution characteristics of the public transfer node and the transfer corridor and the transfer node;the shortest path model is used to rationalize the distribution of bus routes between different demand hotspots.The assessment is based on the passenger traffic volume of the bus section,and the bus supply and demand balance and service capability assessment are carried out for different levels of bus sections and bus lanes of different demand types.This paper evaluates the service capabilities of bus stops and lines from a regional perspective,breaking through the limitations of previous evaluations from individual sites and individual lines,taking into account global factors,providing a reference for bus management departments,for bus stops and lines.Service capability assessment provides a new way.