Real-time short-turning in high frequency bus services based on passenger cost

Conference paper (2017)

Authors

David Leffler KTH Royal Institute of Technology
O. Cats KTH Royal Institute of Technology, Transport and Planning - CEG
Erik Jenelius KTH Royal Institute of Technology
Wilco Burghout KTH Royal Institute of Technology
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Published Date

08-08-2017

Language

English

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Abstract

In this paper, we deal with the problem of determining when and where a bus should short-turn on a single bi-directional line in real-time. We formulate a decision rule for when to short-turn among candidate short-turning locations that is based on the objective of minimizing total generalized passenger travel cost including waiting times and forced transfer. Computational results and analysis are provided via a simulation study in BusMezzo, a dynamic, agent-based transit operations and assignment model that represents both vehicle as well as passenger progression. The simulation framework allows us to evaluate the resulting trade-off between passenger costs and transit performance that occur when a decision to short-turn is made. The proposed short-turning strategy is applied to a real-world high-frequency transit line in Stockholm, Sweden.