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An Analysis of a Railroad Classification Yard

Author

Listed:
  • Roger R. Crane

    (Westinghouse Air Brake Company, Pittsburgh, Pennsylvania)

  • Frank B. Brown

    (Westinghouse Air Brake Company, Pittsburgh, Pennsylvania)

  • Robert O. Blanchard

    (International Business Machines Corporation, New York, New York)

Abstract

A freight car in the United States spends approximately two-thirds of its time stationary; a significant portion of this time in hump classification yards is spent in queues waiting to be inspected and classified into outbound trains. This paper describes the development of a model for these queues and the application of the Monte Carlo method to the analysis of these queues for a particular classification yard. An elementary form of feedback is included in the model. Using the model of yard operation, certain methods of improving yard operation are determined. Operations Research , ISSN 0030-364X, was published as Journal of the Operations Research Society of America from 1952 to 1955 under ISSN 0096-3984.

Suggested Citation

  • Roger R. Crane & Frank B. Brown & Robert O. Blanchard, 1955. "An Analysis of a Railroad Classification Yard," Operations Research, INFORMS, vol. 3(3), pages 262-271, August.
    • Handle: RePEc:inm:oropre:v:3:y:1955:i:3:p:262-271
    DOI: 10.1287/opre.3.3.262
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    Cited by:

    1. Jean-François Cordeau & Paolo Toth & Daniele Vigo, 1998. "A Survey of Optimization Models for Train Routing and Scheduling," Transportation Science, INFORMS, vol. 32(4), pages 380-404, November.
    2. Lin, Bo-Liang & Wang, Zhi-Mei & Ji, Li-Jun & Tian, Ya-Ming & Zhou, Guo-Qing, 2012. "Optimizing the freight train connection service network of a large-scale rail system," Transportation Research Part B: Methodological, Elsevier, vol. 46(5), pages 649-667.

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