A Mixed Integer Linear Programming Model for Train Service Improvement

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2022 IEEE 25th International Conference on Computer Supported Cooperative Work in Design, CSCWD 2022


An optimal train schedule enables the railway system to serve maximal passengers with limited resources. However, inappropriate train services may cause a diversity of adverse impacts such as service delay and long waiting times. This study aims to improve train service with a new schedule compared to the existing train schedule. To develop an alternative train service with a schedule solution, a mixed integer linear programming model is developed. A comparison between the existing train service and an alternative service is conducted based on a subset railway network in New South Wales, Australia. Numerical results proved that the alternative train service outperforms the existing one with regard to delay time and train capacity.

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