On January 1, 1982, California enacted tougher sanctions against drunk driving (Assembly Bill 541). The present study evaluates the short-term impact of AB 541 through a comparison of monthly accident counts before and after AB 541. The following injury and fatal accident categories were analyzed by month and quarter for the period January 1977 through September 1982: Had-been-drinking (HBD) accidents, non-HBD accidents, night accidents, day accidents, and night single vehicle accidents involving males (NSVAM). The night accident categories were included as surrogates for alcohol based on past research showing night accidents, particularly NSVAM fatals, to have a high likelihood of involving alcohol. The evaluation design was based on the premise that any impact of AB 541 would be limited to accidents involving alcohol.
Traffic Safety Impact of California's New Drunk Driving Law (AB 541): An Evaluation of the First Nine Months of Experience
1983
32 pages
Report
No indication
English
Passive safety against drunk driving
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Engineering Index Backfile | 1967
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