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Computer Aided Train Dispatching: Decision Support Through Optimization

Author

Listed:
  • Richard L. Sauder

    (Norfolk Southern Corporation, 125 Spring Street SW, Atlanta, Georgia 30303)

  • William M. Westerman

    (Southern Railway Company, 2201 First Avenue, North Birmingham, Alabama 35207)

Abstract

A mini-computer based information system with on-line optimal route planning capability was developed to assist dispatchers on the complex northern portion of Southern Railway's Alabama Division. The routing plan is revised automatically as conditions change. Since implementation in September 1980, train delay has been more than 15 percent lower, reflecting annual savings of $316,000.The dispatching support system is now being expanded to all other Southern Railway operating divisions with $3,000,000 annual savings expected from reduced train delay.

Suggested Citation

  • Richard L. Sauder & William M. Westerman, 1983. "Computer Aided Train Dispatching: Decision Support Through Optimization," Interfaces, INFORMS, vol. 13(6), pages 24-37, December.
    • Handle: RePEc:inm:orinte:v:13:y:1983:i:6:p:24-37
    DOI: 10.1287/inte.13.6.24
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    Cited by:

    1. Marinov, Marin & Şahin, İsmail & Ricci, Stefano & Vasic-Franklin, Gordana, 2013. "Railway operations, time-tabling and control," Research in Transportation Economics, Elsevier, vol. 41(1), pages 59-75.
    2. 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.
    3. Sahin, Ismail, 1999. "Railway traffic control and train scheduling based oninter-train conflict management," Transportation Research Part B: Methodological, Elsevier, vol. 33(7), pages 511-534, September.
    4. Li, Feng & Gao, Ziyou & Li, Keping & Yang, Lixing, 2008. "Efficient scheduling of railway traffic based on global information of train," Transportation Research Part B: Methodological, Elsevier, vol. 42(10), pages 1008-1030, December.
    5. J. Medanic & M.J. Dorfman, 2002. "Efficient Scheduling of Traffic on a Railway Line," Journal of Optimization Theory and Applications, Springer, vol. 115(3), pages 587-602, December.
    6. Adenso-Díaz, B. & Oliva González, M. & González-Torre, P., 1999. "On-line timetable re-scheduling in regional train services," Transportation Research Part B: Methodological, Elsevier, vol. 33(6), pages 387-398, August.
    7. Ghoseiri, Keivan & Szidarovszky, Ferenc & Asgharpour, Mohammad Jawad, 2004. "A multi-objective train scheduling model and solution," Transportation Research Part B: Methodological, Elsevier, vol. 38(10), pages 927-952, December.
    8. Julia Lange & Frank Werner, 2018. "Approaches to modeling train scheduling problems as job-shop problems with blocking constraints," Journal of Scheduling, Springer, vol. 21(2), pages 191-207, April.
    9. U. Brännlund & P. O. Lindberg & A. Nõu & J.-E. Nilsson, 1998. "Railway Timetabling Using Lagrangian Relaxation," Transportation Science, INFORMS, vol. 32(4), pages 358-369, November.
    10. Michael Schachtebeck & Anita Schöbel, 2010. "To Wait or Not to Wait---And Who Goes First? Delay Management with Priority Decisions," Transportation Science, INFORMS, vol. 44(3), pages 307-321, August.

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