The effect of modern traffic information on Braess’ paradox

Stefan Bittihn and Andreas Schadschneider

Physica A: Statistical Mechanics and its Applications, 2021, vol. 571, issue C

Abstract: Braess’ paradox has been shown to appear rather generically in many systems of transport on networks. It is especially relevant for vehicular traffic where it shows that in certain situations building a new road in an urban or highway network can lead to increased average travel times for all users. Here we address the question whether this changes if the drivers (agents) have access to traffic information as available for modern traffic networks, i.e. through navigation apps and or personal experiences in the past. We study the effect of traffic information in the classical Braess network, but using a microscopic model for the traffic dynamics, to find out if the paradox can really be observed in such a scenario or if it only exists in some theoretically available user optima that are never realized by drivers that base their route choice decisions intelligently upon realistic traffic information. We address this question for different splits of the two information types.

Keywords: Braess paradox; Highway network; Exclusion process; Cellular automata (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:571:y:2021:i:c:s0378437121001011

DOI: 10.1016/j.physa.2021.125829

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