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Impact of Aggressive Driving on Road Safety: A Systematic Review
DescriptionAggressive driving (AD) is widely recognized as a critical contributor to crash risk, yet most research treats it as a single construct. We refine the literature by introducing a law-based typology that separates violative AD, referring to behaviors that breach traffic regulations, from non-violative AD, referring to behaviors that remain technically lawful but still elevate risk. To quantify the safety impact of each category, we conducted a PRISMA 2020 systemic review. This review analyzed 15 articles selected from an initial pool of 429 retrieved from multiple Web of Science databases. These studies spanned four traffic contexts: two macro-level settings (highway/freeway and intersection/roundabout) and two micro-level settings (urban and rural). Evidence shows that safety outcomes vary by context; however, violative AD results in higher crash causation percentages and greater fatality/severe injury rates compared to non-violative AD consistently exhibits the highest crash-causation percentages and fatality or severe-injury rates in every environment examined, whereas non-violative AD, though harmful, poses a lower threat. These findings validate the proposed typology, highlight the need for context-aware risk models, and offer actionable guidance for developing monitoring systems as well as targeted enforcement or educational interventions aimed at curbing the most dangerous forms of aggressive driving.