The integrated dial-a-ride problem with timetabled fixed route service

Marcus Posada (), Henrik Andersson and Carl H. Häll
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Marcus Posada: Linköping University
Henrik Andersson: Norwegian University of Science and Technology
Carl H. Häll: Linköping University

Public Transport, 2017, vol. 9, issue 1, No 13, 217-241

Abstract: Abstract This paper concerns operational planning of door-to-door transportation systems for the elderly and/or disabled, who often need a more flexible transportation system than the rest of the population. Highly flexible, but very costly direct transportation is often offered as a complement to standard fixed route public transport service. In the integrated dial-a-ride problem (IDARP), these modes of transport are combined and certain legs of the passengers journeys may be performed with the fixed route public transport system. We extend the IDARP and include timetables for the fixed route services, forcing the fleet of vehicles to schedule the arrival at transfer locations with care. Two mixed integer linear programming formulations of the integrated dial-a-ride problem with timetables are presented and analyzed. The key modeling challenge is that of the transfers between the fleet of vehicles and the fixed route public transport system. The formulations differ in how the transfers are modeled and the differences are thoroughly discussed. The computational study compares the formulations in terms of network size, computational time and memory usage and conclusions about their performances are drawn.

Keywords: Dial-a-ride; Operational planning; Paratransit; Public transport; Optimization; Mobility; Multimodal transport; Cost effectiveness (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (14)

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DOI: 10.1007/s12469-016-0128-9

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