Title: An empirical study on effects of risk equity on intercity road network accessibility

Authors: Abbas Mahmoudabadi; Donya Nader

Addresses: Department of Industrial Engineering, MehrAstan University, Guilan, Iran ' Department of Industrial Engineering, Kooshyar University, Guilan, Iran

Abstract: Since hazardous materials (Hazmat) transportation is always contaminated by transport risk, local/national authorities are dealing with the distributing of Hazmat transport risk to avoid risk aggregation over the most operational links but it affects the network accessibility which is dealt with by transport operators. The aim of this study is to investigate the effects of employing risk equity techniques on network accessibility through developing a mathematical model where the maximum transport risk associated with the network links is minimised. The proposed mathematical models have been run using experimental data that composes of specific nodes, edges as well as Hazmat origin-destination matrix in medium size of intercity road network in the Iranian northern province of Guilan. The analytical experiments revealed transport risk distribution techniques have significant negative effects on network accessibility resulted in reducing road accessibility. Therefore, in terms of application, the authorities and transport planning experts should consider the effects of employing Hazmat transport risk equity on network accessibility prior to designing Hazmat transport networks.

Keywords: hazardous material transportation; risk distribution and equity; network accessibility; intercity road network; mathematical modelling.

DOI: 10.1504/IJAOM.2022.123266

International Journal of Advanced Operations Management, 2022 Vol.14 No.2, pp.153 - 166

Accepted: 24 May 2021
Published online: 07 Jun 2022 *

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