Vulnerability Analysis of a Signal-Controlled Road Network for Equilibrium Flow

Suh-Wen Chiou ()
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Suh-Wen Chiou: National Dong Hwa University

A chapter in Advanced Business Analytics, 2015, pp 109-142 from Springer

Abstract: Abstract Considering the reliability of an area traffic control road network, most travel delay is directly dependent on correct operation of signal settings. The purpose of this paper is to devise an efficient scheme to evaluate the reliability of a signal-controlled road network. A min-max complementarity problem is proposed to characterize user equilibrium flow in the presence of a worst-case disruption of given link capacity loss. A computationally tractable solution scheme is proposed to identify important links whose disruption could cause substantial increase in travel delay to all road users. Numerical computations are conducted in a medium-sized road network to demonstrate the feasibility of the proposed solution scheme. The results indicate that the most critical signal-controlled traffic streams can be conveniently identified, when failed to perform its normal functions, would give rise to maximum travel delay to all road users.

Keywords: Variational Inequality; Road Network; Traffic Flow; Complementarity Problem; Road User (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-11415-6_6

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DOI: 10.1007/978-3-319-11415-6_6

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