A Method for Robust Strategic Railway Dispatch Applied to a Single Track Line

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    Abstract

    A method is presented for global optimization of a dispatch plan assuming perfect information over a given time horizon. An example problem is solved for the North American case of a single dominant high-speed train sharing a network with a majority flow of slower trains. Initial dispatch priority and speed changes to selected trains consume network capacity; but incremental speed increases of these trains, combined with appropriate dispatch strategies, are beneficial to the network as a whole. Further, specific siding enhancements demonstrate measureable improvements in network flow.
    Original languageEnglish
    JournalTransportation Journal
    Volume52
    Issue number1
    Pages (from-to)26-51
    ISSN2157-328X
    DOIs
    Publication statusPublished - 2013

    Keywords

    • Transportation
    • Integer programming
    • Network capacity
    • Railways
    • Timetabling
    • measurement method
    • optimization
    • planning method
    • railway transport
    • transportation planning
    • transportation system
    • North America
    • TRANSPORTATION
    • OPTIMIZATION
    • integer programming
    • network capacity
    • railways
    • HIGH speed trains

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