Waymo 研究：清醒驾驶员夜间致死风险仍高近4倍，道路安全需系统化方案
Sober Drivers Still Face Nearly 4x Nighttime Risk: Why Road Safety Demands a Safe System Approach
Waymo 发布两项同行评审研究，基于 FARS 数据重建美国50个最大城市清醒驾驶员行驶里程基准，发现剔除酒驾因素后城市平均致死碰撞率仅从每亿英里1.42起降至1.10起（降23%）。研究还显示，即使100%清醒的驾驶员，夜间致死碰撞风险仍为白天的3.1至3.9倍。另一项分析2023年FARS数据库37,654起致死案例的研究发现，仅8.2%的致死案例仅涉及纯人为行为因素。
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Alcohol impairment remains a massive, critical crisis on public roads, directly contributing to over 30% of all traffic deaths in the U.S. Eliminating it is a mission we proudly support alongside long-standing partners like Mothers Against Drunk Driving (MADD). But our latest peer-reviewed research highlights a second, equally sobering truth that we cannot ignore: traffic fatalities rarely result from a single factor, and improving road safety requires examining conditions beyond driver behavior alone.
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来源：Waymo Blog · waymo.com