Abstract

Developments in high-speed railways have seen them become the mainstay of passenger transport systems in China, satisfying the increasing demand for rapid access to numerous locations. In practice, the operation of the network is a vital feature of the Chinese High-speed Railway (CHR), enabling the provision of through services while allowing indirect services via major hubs. The generation of travel plan sets in a large-scale, complex high-speed railway network is an important issue, as it is the foundation and key to those travel service systems where people can inquiry about their travel plans. This paper describes a method of generating all alternative travel plans that are potentially attractive to passengers. The inherent problem is first modeled for any journey between a given origin and destination pair, and then a spatiotemporal network is constructed. For each journey, a direct set of travel plans without transfers is extracted from the train timetable data. The construction of indirect travel plans is more complicated, and a two-stage generation method is proposed: (i) compute the $K$ -shortest paths using the improved Yen* algorithm to identify transfer node(s), and (ii) connect train services according to the train timetables. Furthermore, the reliability of a specific travel plan with transfers is determined by mapping the buffer time as a reliability measure. Finally, the proposed method is tested on the CHR network using the 2019 train timetable.

Highlights

  • Railways are large-capacity transport systems that play an important role in integrated transport around the world

  • By the end of 2019, China had over 35,000 km of dedicated high-speed railway (HSR) lines, which had contributed to carrying over 7 billion passengers in the past 10 years

  • The objective of this paper is to develop a method for efficiently generating passenger travel plan set (TPS) in HSR networks while considering the complex timetables and transfers

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Summary

Introduction

Railways are large-capacity transport systems that play an important role in integrated transport around the world. To satisfy traveler demands, the Chinese Highspeed Railway (CHR) has seen remarkable developments. By the end of 2019, China had over 35,000 km of dedicated high-speed railway (HSR) lines, which had contributed to carrying over 7 billion passengers in the past 10 years. Increased access to previously train-free areas and a rise in the number of available train types has produced an explosion in the choice of origin–destination (O-D) travel plans for passengers. Network operation is one of the important features of CHR, ensuring the provision of direct and indirect services via major hubs. With the complex topological structure of this network, diversified train schedules, and the availability of transfer modes different from urban rail transit (URT) and the roadway network, generating feasible HSR travel plans is a complex task. A case study of a specific O-D pair

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