Development of Dynamic Passenger-Trip Assignment Model of Urban Railway Using Seoul-Incheon-Gyeonggi`s Transportation Card

- Journal title : Journal of The Korean Society of Civil Engineers
- Volume 36, Issue 1, 2016, pp.105-114
- Publisher : Korean Society of Civil Engeneers
- DOI : 10.12652/Ksce.2016.36.1.0105

Title & Authors

Development of Dynamic Passenger-Trip Assignment Model of Urban Railway Using Seoul-Incheon-Gyeonggi`s Transportation Card

Sohn, Jhieon;

Sohn, Jhieon;

Abstract

With approximately 20 million transportation card data entries of the metropolitan districts being generated per day, application of the data to management and policy interventions is becoming an issue of interest. The research herein attempts a model of the possibility of dynamic demand change predictions and its purpose is thereby to construct a Dynamic Passengers Trip Assignment Model. The model and algorithm created are targeted at city rail lines operated by seven different transport facilities with the exclusion of travel by bus, as passenger movements by this mode can be minutely disaggregated through card tagging. The model created has been constructed in continuous time as is fitting to the big data characteristic of transport card data, while passenger path choice behavior is effectively represented using a perception parameter as a function of increasing number of transfers. Running the model on 800 pairs of metropolitan city rail data has proven its capability in determining dynamic demand at any moment in time, in line with the typical advantages expected of a continuous time-based model. Comparison against data measured by the eye of existing rail operating facilities to assess changes in congestion intensity shows that the model closely approximates the values and trends of the existing data with high levels of confidence. Future research efforts should be directed toward continued examination into construction of an integrated bus-city rail system model.

Keywords

Public transportation card;Dynamic;Trip assignment model;Big data;Seoul-incheon-gyeonggi;

Language

Korean

Cited by

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