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Effects of Alcohol Consumption on Driving: A Systematic Review
DescriptionCar accidents are a major cause of injury, disability, and death, and almost a third of these involve drink-driving. Autonomous vehicles (AV) may offer accident-prevention benefits, but at current automation levels, drivers must still perform driving tasks for takeover. Therefore, understanding how alcohol affects driving from a manual level offers insight into the role of AVs in mediating drink-driving crash risk. A systematic review was conducted; eight databases were searched with 49 final articles, and findings were structured mirroring the information processing model and can also be extended to the AV takeover model. Results indicate that different Blood Alcohol Concentration (BAC) levels affect driving skills essential for traffic safety. However, existing studies tested driving at limited BAC levels and lacked AV contextual implications. Future work is needed, especially regarding AVs and takeover situations. Findings from this review can inform future experiments and AV technology design.