A mobile application for real-time multimodal routing under a set of users' preferences

Konstantinos Gkiotsalitis, Antony Stathopoulos*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

13 Citations (Scopus)


In this article an application for mobile navigation is introduced with the intention to serve users who either do not have access to a private vehicle or prefer combining a vehicle with a public transport mode provided that it yields a reduction to their total travel time. This application guides users to their destination by integrating the use of private and public transport and differs from in-vehicle route guidance systems that suggest routes only for private vehicle users, and from other conventional mobile route guidance systems that propose either a route for public transport users or a route for private vehicle users. In addition, the proposed application suggests intermodal routes that comply with each individual's preferences in an attempt to fulfill the user's needs in complex, urban networks. The data requirements for the mobile application are covered by a real-time database that is handled by a central server (processor) and contains information about traffic congestion, train and bus schedules, and more. Finally, two algorithms are presented in order to serve the computational part of the application and determine optimal paths in intermodal networks with respect to a predetermined set of users' preferences. The data requirements, the structure and the architecture of the application, the required technologies, the underpinning mathematical context of the proposed algorithms, and the performance of this application in random networks are also presented.

Original languageEnglish
Pages (from-to)149-166
Number of pages18
JournalJournal of Intelligent Transportation Systems: Technology, Planning, and Operations
Issue number2
Early online date17 Sep 2014
Publication statusPublished - 3 Apr 2015
Externally publishedYes


  • Centralized Routing
  • Fastest Path Problem
  • Intermodal Networks
  • Real-Time Multimodal Fastest Path Problem Under Constraints
  • Resource-Constrained Shortest Path Problem


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