Duncan, LC, Watling, DP orcid.org/0000-0002-6193-9121, Connors, RD orcid.org/0000-0002-1696-0175 et al. (2 more authors) (2023) Formulation and solution method of bounded path size stochastic user equilibrium models – consistently addressing route overlap and unrealistic routes. Transportmetrica A: Transport Science. ISSN 2324-9935
Abstract
Bounded Path Size (BPS) route choice models (Duncan et al, 2021) offer a theoretically consistent and practical approach to dealing with both route overlap and unrealistic routes. It captures correlations between overlapping routes by including correction terms within the probability relations, and has a consistent criterion for assigning zero probabilities to unrealistic routes while eliminating their path size contributions. The present paper establishes Stochastic User Equilibrium (SUE) conditions for BPS models, where the choice sets of realistic routes are equilibrated along with the route flows. Solution existence/uniqueness are addressed. A generic solution algorithm is proposed, where realistic route choice sets are equilibrated from a pre-generated approximated universal set of routes. Numerical experiments on the Sioux Falls and Winnipeg networks show that BPS SUE models can be solved in feasible computation times compared to nonbounded versions, while providing potential for significantly improved robustness to the adopted master route choice set.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2023 Hong Kong Society for Transportation Studies Limited. This is an author produced version of an article published in Transportmetrica A: Transport Science. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | bounded path size; stochastic user equilibrium; solution algorithm; fixed-point; convergence; equilibrated choice sets |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Environment (Leeds) > Institute for Transport Studies (Leeds) > ITS: Spatial Modelling and Dynamics (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 09 Mar 2023 15:11 |
Last Modified: | 16 Feb 2024 01:13 |
Status: | Published online |
Publisher: | Taylor & Francis |
Identification Number: | 10.1080/23249935.2023.2178240 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:196099 |