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Trees in the Roadside as Factor in Road Safety in Poland
Roadside-related crashes occur when vehicles run off the road. The majority of the crashes have severe outcomes, especially when an object is hit (tree, pole, supports, culvert headwall, or safety barrier). Understanding how the different road and roadside elements affect safety must be based on in-depth studies. Data from sections of Polish national and regional roads were used to building crash-predictive models quantifying effects of road design and traffic factors on and their effect on road safety measures.