Kazimierz Jamroz - Publications - Bridge of Knowledge

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Year 2025
  • Probability of Vehicle Collision with a Road Safety Barrier
    Publication

    - Year 2025

    A well-designed and constructed road allows the driver to avoid encroachments into an area with obstacles in the road environment and to return safely to the carriageway. This is possible when there is an obstacle-free zone in the road environment or, in the absence of an obstacle-free zone, when a road safety barrier is used. This paper discusses the probability of a vehicle hitting a road safety barrier, assuming five sequences...

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  • Road Safety as a Component of Social and Economic Costs in Road Network Functional Assessment
    Publication

    - Year 2025

    This study examines road safety as a part of social and economic costs in sustainable development management. The research focuses on the road network in Warmia-Masuria Voivodeship, Poland, analyzing 180 homogeneous sections of regional roads totaling over 1,800 km. Two methods are employed: reactive and proactive. The reactive method assesses risk based on accident density and accident cost density, classifying road sections into...

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Year 2024
Year 2023
Year 2022
  • Assessing Roadside Hybrid Energy Absorbers Using the Example of SafeEnd
    Publication

    A combination of crash cushion and end-terminal, hybrid energy absorbing devices have been in use worldwide for a few years already. They include SafeEnd, a system Poland has recently introduced. Some road authorities have raised concerns as regards the operating conditions of the devices and how they work together with safety barriers. The objective of this research is to clarify the concerns and answer the following questions:...

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  • Vision Zero in Poland

    Poland’s experience of road safety work is relatively short. In the early 1990s road deaths soared to a staggering 8000 a year. A diagnosis found that Poland’s lack of systemic road safety action was to blame for those figures. In response, the state set up road safety bodies and commissioned road safety programs. In 2005, Poland followed the example of Sweden and adopted Vision Zero as a far-reaching concept of changes in road...

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Year 2021
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Year 2018

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