The HASTUS Vehicle and Manpower Scheduling System at the Société de transport de la Communauté urbaine de Montréal

Jean-Yves Blais, Jacques Lamont and Marc Rousseau
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Jean-Yves Blais: GIRO Incorporated, 1100 East Crémazie Boulevard, Suite 300, Montréal, Québec, Canada
Jacques Lamont: S.T.C.U.M., 440 Dorchester Boulevard West, 15th Floor, Montréal, Québec, Canada
Marc Rousseau: Jean-Center for Research on Transportation, University of Montréal, PO Box 6128, Station A, Montréal, Québec, Canada

Interfaces, 1990, vol. 20, issue 1, 26-42

Abstract: Varying service levels during the day and complex work rules make transit scheduling a difficult task. Over the last 10 years, a joint university-S.T.C.U.M.-private enterprise effort has produced HASTUS, a comprehensive set of computer tools that assists in building cost-effective schedules. The HASTUS-Macro decision support system uses linear programming methods to estimate the costs of changes in union contracts and service levels. HASTUS-Bus employs network-flow methods to generate optimal vehicle schedules. HASTUS-Micro generates operator assignments through a combination of specially-formulated heuristics and optimal matching algorithms. Annual savings in excess of $3,000,000 (three percent of operating costs) have been reported in manpower scheduling and $1,000,000 in vehicle scheduling. This success at the S.T.C.U.M. has led to installations in nearly 40 major cities worldwide.

Keywords: transportation: mass transit; computers: system design and operation (search for similar items in EconPapers)
Date: 1990
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