A Two-direction Method of Solving Variable Demand Equilibrium Models with and without Signal Control

Mike Smith
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Mike Smith: University of York

Chapter Chapter 18 in Transportation and Traffic Theory 2009: Golden Jubilee, 2009, pp 365-386 from Springer

Abstract: Abstract A two direction method of solving variable demand equilibrium models is considered. Throughout an equilibration using this method, if the first direction fails to reduce disequilibrium, use the second. A proof of convergence under fairly weak conditions is provided. The paper shows how the method works on models without and with responsive signal controls. In the former case the method may replace the iteration of an assignment and a demand model. In the latter case the method may replace the iteration of an assignment and a control model; and may then be utilized to design new fixed time signal timings suitable for a variety of situations. In both cases there will be a reasonable convergence guarantee if the two-direction method is utilized.

Keywords: Incidence Matrix; Descent Direction; Proximal Point Algorithm; Traffic Assignment; Alternate Direction Method (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-1-4419-0820-9_18

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DOI: 10.1007/978-1-4419-0820-9_18

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