Abstract
The transit crew scheduling problem that we consider involves the determination of a set of work days for transit crews that cover all required vehicle movements at minimum cost. This problem is a fundamental one in the transit industry since labor costs predominate in nearly all large transit properties.
Several researchers have approached the transit crew scheduling problem by decomposing it into a shortest path problem and a matching problem. We present an approach based on this decomposition which iterates between the solution of a shortest path problem and the solution of a matching problem. The objective function for the shortest path problem is derived by considering Lagrangian penalties associated with the perfectly matchable subgraph inequalities. This approach is validated on sample problems from the Washington Metropolitan Area Transit Authority (WMATA).
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© 1988 Springer-Verlag Berlin Heidelberg
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Ball, M.O., Benoit-Thompson, H. (1988). A Lagrangian Relaxation Based Heuristic for the Urban Transit Crew Scheduling Problem. In: Daduna, J.R., Wren, A. (eds) Computer-Aided Transit Scheduling. Lecture Note in Economics Mathematical Systems, vol 308. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-85966-3_6
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DOI: https://doi.org/10.1007/978-3-642-85966-3_6
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-19441-5
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