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has been cited by the following article:

• TITLE: Composition of Multi-Level Rail Transit System and Analysis of Interconnected Operation Modes

  AUTHORS: Hong He, Kangni Liu

  KEYWORDS: Rail Transit, Interconnection, Operation Mode

  JOURNAL NAME: World Journal of Engineering and Technology, Vol.14 No.1, January 5, 2026

  ABSTRACT: With the rapid development of rail transit systems, a multi-level integrated rail transit network consisting of trunk railways, intercity railways, suburban railways, and urban rail transit has taken shape in metropolitan areas and megacities (abbreviated as “Four-Network Integration”). Different types of rail transit vary in service scope and operational characteristics. Taking the rail transit in the Guangdong-Hong Kong-Macao Greater Bay Area as the research object, this paper explores the composition of the multi-level rail transit system, the classification of interconnected operation modes, as well as their advantages and disadvantages, aiming to provide reference for the interconnected operation of rail transit.