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E. Renzi et al. / Procedia Structural Integrity 44 (2023) 355–362 E. Renzi et al./ Structural Integrity Procedia 00 (2022) 000 – 000

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6. Conclusions In this work, after focusing on the Guidelines for the Risk Management of Existing Bridges (GMEB) ant their significance for the standardization of the processes for risk assessment, the innovative approach of the integrated Safety Management Systems (SMS) proposed by ANSFISA has been introduced, as well as some arguments regarding the seismic risk of bridges and the resilience of the road sections/network. Without prejudice to the fact that the improvement of the resilience of the national road network should also be obtained considering what is contained in Level 5 of the GMEB (see the assessments mentioned in point 1.4), some indications about how an SMS can be applied to optimize road network performances in relation to the aspects connected to the potential seismic events have been provided. Further suggestions on how to better specialize the seismic interventions and/or the emergency plans have been reported. In any case, the coordination among road network managers and local and national organizations (private or public) responsible for safety, rescue and supply activities is needed and, in case of seismic emergencies, SMSs need to be defined in a fully integrated manner. This could be done in coordination between the various managers that operate in the reference area, using the data provided by all road managers. In view of the aforementioned, further developments are desirable in relation to the gradual extension of the processes defined by the Safety Management Systems ’ ANSFISA guidelines, which the road managers/operators will have to uniformly and extensively adopt in the coming years. Since for the road sector these processes are newly introduced, a gradual development over the years is to be expected. In the medium term, the progressive collection of applicative data and information will be useful to define strategies for the performance improvements of the network systems. Àlvarez-Santos, J., Miguel-Dàvila, J. À., Herrera, L., Nieto, M., 2018. Safety Management System in TQM environments. Safety Science vol. 101, pp. 135-143. Cutter, S. L., Barnes, L., Berry, M., Burton, C., Evans, E., Tate, E., Webb, J., 2008. Community and Regional Resilience: Perspectives from Hazards, Disasters, and Emergency Management. Community and Regional Resilience Initiative (CARRI) Research Report 1. EASA, 2017. Management System Assessment Tool. ERA, 2018. Guide on safety management system requirements. EU Parliament - Directive 2008/96/EC - Road Infrastructure Safety Management. French, S., Steel, T., 2017. The Investigation of Safety Management Systems and Safety Culture. International Transport Forum Discussion Paper, No. 2017-20. ISTAT, 2020. Rapporto sul territorio 2020 - Ambiente, economia e società. ITF, 2015. Road Infrastructure Safety Management. Research Report. Legislative Decree (Italian) N. 285 30/04/1992 – New Italian Road Code. Legislative Decree (Italian) - New Italian Construction Standard 21/01/2018. Li, Y., Guldenmund, F.W., 2018. Safety management systems: A broad overview of the literature. Safety Science vol. 103, pp. 94-123. Ministerial Decree (Italian) N. 578 17/12/2020. Nicolosi, V., Augeri, M., D’Apuzzo, M., Evangelisti, A., Santilli, D., 2022. A Probabilistic Approach to the Evaluation of Seismic Resilience in Road Asset Management. International Journal of Disaster Risk Science vol. 13, pp. 114 – 124. Taniguchi, E., Ferreira, F., Nicholson, A., 2012. A conceptual road network emergency model to aid emergency preparedness and response decision-making in the context of humanitarian logistics. Procedia - Social and Behavioral Sciences 39, pp. 307 – 320. References Government Regulation (Italian) n. 34233 25/02/1991 - Instructions on the technical regulations for road bridges. Government Regulation (Italian) n. 6736/61A1 19/07/1967 - Control of the stability conditions of road works. ICAO, 2016. Annex 19 – 2nd Edition. Italian Instruction Railways (FS),1994.- Instruction 44C - Inspection visits to bridges, tunnels, and other works.