Development of rail transit network over multiple time periods

Ya-Ting Peng, Zhi-Chun Li and Paul Schonfeld

Transportation Research Part A: Policy and Practice, 2019, vol. 121, issue C, 235-250

Abstract: This paper addresses the development issue of interrelated rail transit projects in an urban rail transit network over multiple time periods. It extends the traditional network design problems by explicitly considering the time horizon and interrelations among investment projects in the rail transit network. The proposed model determines which projects in the rail transit network should be selected and completed at what times (i.e., project selection, investment sequence and completion time), while jointly optimizing the evolving headways of rail transit lines due to change in rail network configuration, so as to minimize the total discounted cost of the rail transit system over the planning horizon. In addition to the financial budget provided by relevant agencies (e.g., governments), we consider fare revenue generated from the operations of previous completed rail projects as an internal source of funding for later rail projects. A genetic algorithm is adapted to solve this model and tested on the rail transit network development of Wuhan China. Sensitivity analysis is conducted to ascertain the effects of some important factors on the development plan, such as travel demand and annual financial budget.

Keywords: Rail transit network; Development plan; Interrelated projects; Financial budget constraint (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (2)

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DOI: 10.1016/j.tra.2019.01.017

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