In the past decade, the railroad industry has developed various types of models to investigate different operating problems and policies, as well as proposed changes in the physical plant of a railroad. This report presents a review of the railroad network models. Two basic types of network models are reviewed: simulation models and optimization models. In the network simulation models reviewed, car movements through a network are simulated for a fixed set of train schedules and route structures. Changes in operating policies are tested by making appropriate changes in either the input data deck or the internal logic of the simulation program. The network optimization models reviewed optimize train schedules (or in one case, a railroad network) for a fixed traffic demand. Quantities one might vary in a optimization model include traffic levels, network configuration, cost indexes, and parameters such as train speeds and processing rates at yards.


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    Titel :

    Studies in Railroad Operations and Economics. Volume 7. A Brief Review of Various Network Models


    Beteiligte:
    J. F. Folk (Autor:in)

    Erscheinungsdatum :

    1972


    Format / Umfang :

    38 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch