The HASTUS System: New Algorithms and Modules for the 90s

  • Nigel Hamer
  • Lise Séguin
Conference paper
Part of the Lecture Notes in Economics and Mathematical Systems book series (LNE, volume 386)


Since the last International Workshop held in Hamburg in 1987, significant developments have occurred in the transit scheduling field. Transit companies around the world are relying more and more on sophisticated software to cut costs, reduce schedule preparation time, enhance the jobs of scheduling officers and provide better information and improved service to the public.

The HASTUS family of products has played a leading role in this movement to increased computerization and automation. With installations in over twelve countries, HASTUS has had to adapt to differing and changing conditions.

This overview describes certain of the latest developments in HASTUS in a non-technical fashion. Further details on new algorithms applications and on-going research are presented elsewhere at this conference by Désilets and Rousseau 1990, Desrochers et al. 1990 and Jorvang and Lessard 1990. The article by Blais, Rousseau and Lamont 1990, winner of the Frank Edelman Award for Management Science Achievement, presents the basic HASTUS system and its application to computer-assisted scheduling at Montréal’s S.T.C.U.M.


Operator Schedule Crew Schedule Transit Property Vehicle Schedule Transit Company 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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  1. Desrochers, M., Desrosiers, M., Sauvé, M. and Soumis, J., “CREW-OPT: The Subproblem Modelling in a Column Generation Approach to Urban Crew Scheduling”, Fifth International Workshop on Computer-Aided Scheduling of Public Transport, 1990.Google Scholar
  2. Désilets, A., Rousseau, J.-M., “SYNCRO, Computer-Assisted tool for the Synchronisation of Public Transit Networks”, Fifth International Workshop on Computer-Aided Scheduling of Public Transport, 1990.Google Scholar
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Copyright information

© Springer-Verlag Berlin Heidelberg 1992

Authors and Affiliations

  • Nigel Hamer
    • 1
  • Lise Séguin
    • 1
  1. 1.GIRO Inc.MontréalCanada

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