Scheduling of Demand‐Responsive Transit Vehicles
Publication: Journal of Transportation Engineering
Volume 110, Issue 6
Abstract
This paper presents a vehicle dispatching procedure designed to minimize empty vehicle travel and idle time for a demand‐responsive transportation system. The method schedules the empty vehicle assignment between passenger drop‐off points and passenger pick‐up points by examining the times of drop‐offs and pick‐ups, and the travel times and distance between them. The minimization of empty vehicle travel and idle time is accomplished through the use of a linear programming transportation problem in which supply and demand vectors contain both location and time elements. The service area is divided into zones and the operating hours into time periods; the vehicle movements (loaded and empty) are processed as the movements between zones, and between time periods. The outputs of the model include scheduling instructions for each vehicle (both loaded and empty trips), estimates of vehicle miles and time, fleet size requirements to satisfy the passenger trip requests, and the identification of passenger trips which cannot be met due to fleet size limitation.
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References
1.
Association of American Railroads, “Manual of Car Utilization Practices and Procedures,” AAR Publication Report No. R‐234, Washington, D.C., 1976.
2.
Bauman, D. M., Au, T., and Copper, J., “Automation of Paratransit Fare Computation and Dispatching,” Transportation Research Record, No. 608, 1976, pp. 93–97.
3.
McAdoo, G. H., “Computer‐Controlled versus Computer‐Aided Dispatching,” Transportation Research Board Record, No. 608, 1976, pp. 86–88.
4.
Potter, B., “Ann Arbor's Dispatching System,” Transportation Research Board Record, No. 608, 1976, pp. 89–92.
5.
Slivka, J. M., “The Multi‐Level Experience,” Proceedings, Manual Freight Car Management Seminar, Association of American Railroads Publication Report No. R‐520, 1982, pp. 179–184.
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Copyright © 1984 ASCE.
History
Published online: Jul 1, 1984
Published in print: Jul 1984
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