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Worldwide, someone is killed on the roads every 23 s and millions more are non-fatally injured according to WHO's latest monitoring report on road safety, the fourth Global Status Report on Road Safety.1 With 1·35 million people killed each year, road-traffic injuries are now the eighth leading cause of death overall and the leading cause of death for those aged 5–29 years. The grief and suffering caused by this human-made epidemic is perhaps exacerbated by all that is known—but in many cases not fully implemented—about prevention.
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Passmore et al. (2019) studied this question.
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