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Hydrogen is increasingly seen as a viable alternative to fossil fuels in transportation, crucial to achieving net-zero energy goals. However, the rapid expansion of hydrogen-powered transportation is outpacing safety standards, posing significant risks due to limited operational experience, involvement of new actors and lack of targeted guidelines. This study addresses the urgent need for a tailored comprehensive risk assessment framework. Using Structured What-If (SWIFT) and bowtie barrier analysis, the research evaluates a hypothetical pilot project focusing on hydrogen refuelling stations, vehicles, and garages. The study identifies critical hazards and assesses the adequacy of current risk mitigation measures. Key findings reveal gaps in safety practices, leading to 41 actionable steps and 5 key activities to help new actors manage hydrogen risks effectively. By introducing novel safety guidelines, this research contributes to the development of safe hydrogen use and advances the understanding of hydrogen risks, ensuring its sustainable integration into transportation systems. • Hydrogen infrastructure growth is outpacing safety knowledge and standards. • SWIFT and Bowtie are used to identify hazards in hydrogen-powered transportation. • Risks in refuelling stations, vehicles, and garages are assessed in a pilot project. • Provided recommendations help new actors manage hydrogen risks effectively. • Research supports safe, sustainable integration of hydrogen into transportation.
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