Journal of Progress in Safety & Security
type: channel
description: The journal serves as an interdisciplinary forum committed to the exploration and enhancement of safety and security across an extensive range of domains. This journal offers a premier platform for researchers, practitioners, and policymakers to share research findings, delve into new methodologies, and engage in meaningful discussions about practical solutions to the multifaceted safety and security challenges confronting society. Our mission is to publish high-caliber, peer-reviewed articles that significantly contribute to both the theoretical and practical aspects of protecting individuals, infrastructure, information, and environments against a diverse array of hazards and threats.
publisher: TU Delft OPEN Publishing
language: en-US
publication name: Journal of Progress in Safety & Security
issn: 3050-4570
items: Research on Identifying Key Elements of Emergency Supply Chain Resilience Based on DEMATEL-ISM and Complex Networks
items: Safety and Security Dependencies for Gridshield: Qualitative and Quantitative Analysis
items: Cost-benefit analysis of side underride guards for new semitrailers in the United States

Research on Identifying Key Elements of Emergency Supply Chain Resilience Based on DEMATEL-ISM and Complex Networks
type: item
description: In the context of normalized prevention and control of public emergencies, enhancing the resilience of emergency supply chains holds significant theoretical value and practical implications. To reveal the relative importance of resilience factors, this study establishes an integrated analytical framework for emergency supply chain resilience. First, key resilience factors were extracted through text mining of relevant literature from the China National Knowledge Infrastructure and Web of Science databases. Then, the DEMATEL-ISM method was employed to construct a multi-level hierarchical structure model, clarifying the interrelationships among factors. Finally, based on complex network theory, the comprehensive influence of nodes was evaluated, and the critical elements were identified and analyzed with corresponding recommendations. The results indicate that reserve facility construction efficiency, intelligent early warning and detection capability, accuracy of emergency demand statistics, emergency coordination and cooperation capability, and emergency plan completeness are the key factors of emergency supply chain resilience. The proposed integrated approach of “text mining-system modeling-network analysis” enables the systematic identification of resilience factors and provides a decision-support tool for building resilient supply chain systems. One sentence summary: This study presents a novel approach to enhancing emergency supply chain resilience, showing that five critical factors are key drivers. It innovates the identification of these factors, making it accessible for emergency management practitioners and researchers.
creator: Jiaxin Li
creator: Hao Sun
creator: Fuyu Wang
rights: Copyright (c) 2026 Jiaxin Li, Hao Sun, Fuyu Wang https://creativecommons.org/licenses/by/4.0
license: https://creativecommons.org/licenses/by/4.0
date: 2026-06-30
publication date: 2026-06-30
volume: 2
doi: 10.59490/pss.2.2026.8695

Safety and Security Dependencies for Gridshield: Qualitative and Quantitative Analysis
type: item
description: Present-day cyber-physical systems, such as the Smart Grid, lead to the integration of multiple sub-systems into one single intertwined system. Such systems are characterized by many inter-dependencies between these sub-systems. This makes it complex to correctly assess the impact of new defense mechanisms with respect to the safety and security of the system as a whole. Existing formalisms, such as fault and attack trees, cannot describe the full system complexity. This paper presents a novel integrated model, namely the Attack-Fault-Defense Tree (AFDT), and tools to analyze such cyber-physical systems. The presented visual representation allows experts from various disciplines to discuss system dependencies together. In addition, we also present how minimum cut sets can be derived to formally quantify how the safety and security of the overall system is enhanced with the implementation of new defenses. We furthermore extend this to quantitative analysis by assigning safety and security metrics to these minimal cut sets. The presented AFDT is applied to the Gridshield concept, a novel defense mechanism to prevent grid overloading in power grids due to simultaneous charging of electric vehicles. One sentence summary: We introduce Attack-Fault-Defense Trees (AFDTs) and apply qualitative and approximate quantitative analysis to the Gridshield smart-grid defense mechanism.
creator: Reza Soltani
creator: Baver Ozceylan
creator: Milan Lopuhaä-Zwakenberg
creator: Christina Kolb
creator: Gerwin Hoogsteen
rights: Copyright (c) 2026 Reza Soltani, Baver Ozceylan, Milan Lopuhaä-Zwakenberg, Christina Kolb, Gerwin Hoogsteen https://creativecommons.org/licenses/by/4.0
license: https://creativecommons.org/licenses/by/4.0
date: 2026-06-16
publication date: 2026-06-16
volume: 2
doi: 10.59490/pss.2.2026.8020

Cost-benefit analysis of side underride guards for new semitrailers in the United States
type: item
description: In the United States, the severe consequences of side underride crashes are well documented, yet no federal regulation requires side underride guards on semitrailers. Side underride guards can prevent vehicle underride and protect cyclists and pedestrians. This paper develops a decision support framework using a cost-benefit analysis to evaluate a potential federal requirement for side underride guards on new semitrailers. Annually, side underride crashes result in an estimated 300 fatalities and 400 serious injuries, costing society $7.4 billion. To estimate how side guards could reduce these losses, the analysis models paired full-fleet reductions of 50/50, 100/100, and 150/150 (fatalities and serious injuries), then scales impacts to one annual production cohort of 221,000 new semitrailers. Present value is calculated over the 13.2-year service life at a 2 percent discount rate using costs of $1,500, $2,500, and $4,500 per semitrailer, and includes fuel economy adjustments from weight and, where applicable, integration with aerodynamic skirts. Present value net benefits range from $0.137 billion to $2.8 billion. Scenarios that included fuel-saving skirts yielded additional savings of approximately 500 gallons per semitrailer annually (5.2 metric tons of CO2), adding $4.9 billion in fuel and $3.3 billion in CO2 benefits. Monte Carlo simulations for the $2,500 guard plus skirt configuration estimated mean present value net benefits of $0.58 billion ($0.39 to $0.77 billion) for the 50/50 case, $1.71 billion ($1.35 to $2.11 billion) for the 100/100 case, and $2.84 billion ($2.30 to $3.45 billion) for the 150/150 case. Modeled net benefits were positive in all iterations. Results indicate that a federal requirement for side underride guards on new semitrailers would produce positive economic and safety effects and meet conditions identified by NHTSA and industry for side underride guard rulemaking. The analysis can be applied in other jurisdictions using local crash, …
creator: Eric Hein
rights: Copyright (c) 2026 Eric Hein https://creativecommons.org/licenses/by/4.0
license: https://creativecommons.org/licenses/by/4.0
date: 2026-05-15
publication date: 2026-05-15
volume: 2
doi: 10.59490/pss.2.2026.8512