On characterizing the relationship between route choice behaviour and optimal traffic control solution space

Explicitly including the dynamics of users’ route choice behaviour in optimal traffic control applications has been of interest for researchers in the last five decades. This has been recognized as a very challenging problem, due to the added layer of complexity and the considerable non-convexity of...

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Bibliographic Details
Published in:Transportation research. Part B: methodological 2018-11, Vol.117, p.892-906
Main Authors: Rinaldi, Marco, Tampère, Chris M.J., Viti, Francesco
Format: Article
Language:English
Subjects:
Optimization
Route choice
Traffic control
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Summary:Explicitly including the dynamics of users’ route choice behaviour in optimal traffic control applications has been of interest for researchers in the last five decades. This has been recognized as a very challenging problem, due to the added layer of complexity and the considerable non-convexity of the resulting problem, even when dealing with simple static assignment and analytical link cost functions. In this work we establish a direct behavioural connection between the different shapes and structures emerging in the solution space of such problems and the underlying route choice behaviour. We specifically investigate how changes in the active equilibrium route set exert direct influence on the solution space's structure and behaviour. Based on this result, we then formulate and validate a constrained version of the original problem, yielding desirable properties in terms of solution space regularity.
ISSN:0191-2615
1879-2367
DOI:10.1016/j.trb.2017.08.014