Epidemiol Prev
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to evaluate the informative capability of merging data from police and medical data-sets in the assessment of adverse health effects and costs for the health system of road traffic accidents in an urban area (Florence City). ⋯ record linkage between Municipal Police and routinely collected medical data-sets is an useful method to assess health adverse effects and costs for health system of road traffic accidents, allowing to analyse the characteristics of casualties by type of road user. Besides, at a local level, the method allows to identify the more dangerous roads taking into account also the severity of injuries.