ニューメキシコ州における州間交通事故死者に対する65マイル時速制限の影響
M M Gallaher1, C M Sewell, S Flint
1Division of Field Services, Centers for Disease Control, Atlanta, Ga.
JAMA
|October 27, 1989
まとめ
ニューメキシコ州はニューメキシコです.
科学分野:
- 道路交通の安全性について
- 輸送に関する研究.
- 公衆衛生は公衆衛生である.
背景:
- 1987年4月の連邦法により,ニューメキシコ州は,田舎の州間高速道路に時速65マイルを制限することを復活させました.
- この変更により,ニューメキシコ州は,これらの道路でより高い速度制限を採用した最初の州となりました.
研究 の 目的:
- 65マイル/hの速度制限の実施前と後の致死事故の割合を比較するために.
- 致死事故率の変化に寄与する要因を特定する.
主な方法:
- 田舎の州間高速道路での致死事故率の比較分析.
- 速度制限の変更前の5年間のデータを用いたトレンド分析.
- 運転手と被害者の人口統計,シートベルトの使用,交換後のアルコールの関与の比較.
主要な成果:
- 致死事故の割合は,増加後の1年間で1億車両マイルあたり2.9に増加し,予測された1億車両マイルあたり1.5よりも大幅に高くなっています.
- 運転手/被害者の年齢や性別,シートベルトの着用,アルコール摂取の有意な差は認められなかった.
- 致死事故の増加は,主に1台車による致死事故の増加に関連していた.
結論:
- ニューメキシコの田舎の州間高速道路の時速65マイル制限は,致命的な事故の有意な増加と関連していました.
- 車両の高速化と制限速度違反の増加が要因となっているようです.
- 時速65マイル制限の潜在的な利点は,死亡リスクの増加に対して慎重に評価されなければならない.
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