65英里/小时的限速对新墨西哥州农村州际死亡事故的影响
M M Gallaher1, C M Sewell, S Flint
1Division of Field Services, Centers for Disease Control, Atlanta, Ga.
JAMA
|October 27, 1989
概括
新墨西哥州的新墨西哥州
科学领域:
- 道路交通安全问题 道路安全问题
- 运输研究 运输研究
- 公共卫生 公共卫生
背景情况:
- 1987年4月的联邦立法允许新墨西哥州在农村州际高速公路上恢复65英里/小时的速度限制.
- 这一变化使新墨西哥成为第一个在这些道路上采用更高速度限制的州.
研究的目的:
- 为了比较实施65英里/小时速度限制之前和之后的致命撞车事故率.
- 确定导致致命事故发生率发生任何变化的因素.
主要方法:
- 在农村州际公路上致命事故率的比较分析.
- 使用速度限制变化前5年的数据进行趋势分析.
- 驾驶员和受害者的人口统计数据,安全带的使用情况和改变后的酒精参与情况的比较.
主要成果:
- 致命事故的发生率在增加后一年增加到每1亿辆车里2.9公里,远高于预测的每1亿辆车里1.5公里.
- 在司机/受害者的年龄或性别,安全带的使用或酒精参与方面没有发现显著差异.
- 致命事故的增加主要与致命单车事故的增加有关.
结论:
- 在新墨西哥州的农村州际公路上,每小时65英里的速度限制与致命事故的显著增加有关.
- 较高的车辆速度和越来越多的不遵守速度限制似乎是导致因素.
- 必须仔细评估65英里/小时限速的潜在好处,并与增加的死亡风险进行对比.
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