Drink-driving Law: Enforcement and the Legal Blood Alcohol Limit in New South Wales

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Title Drink-driving Law: Enforcement and the Legal Blood Alcohol Limit in New South Wales
Author Homel, Ross
Journal Name Accident Analysis and Prevention
Year Published 1994
Place of publication UK
Publisher Pergamon
Abstract This paper reports the results of a preliminary analysis of daily fatal crashes in New South Wales, Australia, between July 1975 and December 1986. The analysis unexpectedly uncovered a small but statistically significant decline in crashes coinciding with the introduction of a law lowering the legal blood alcohol concentration (BAC) from .08 to .05 g%. The original aim of the analysis was to develop for a larger study appropriate log-linear techniques to assess the impact of a range of government initiatives, including laws aimed at the drinking driver: increased penalties, the .05 law, and random breath testing (RBT). The analysis showed that RBT immediately reduced fatal crashes by 19.5% overall and by 30% during holiday periods, and that the .05 law, introduced two years before RBT, apparently reduced fatal crashes by 13% on Saturdays. There was no significant effect of the .05 law on any other day of the week, and there was no clear evidence that any other initiative had a statistically significant effect on accidents. Although the apparent impact of the .05 law was small, it is surprising that any effect was discernible, since the law was not extensively advertised and police enforcement was no more intense than is usual over Christmas. However, any effects of the .05 law may not have been sustained if RBT had not been introduced two years later.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.elsevier.com/wps/find/journaldescription.cws_home/336/description#description
Alternative URI http://dx.doi.org/10.1016/0001-4575(94)90084-1
Copyright Statement Copyright 1994 Elsevier. Please refer to the journal's website for access to the definitive, published version.
Volume 26
Page from 147
Page to 155
ISSN 0001-4575
Date Accessioned 1995-01-01
Language en_AU
Research Centre Key Centre for Ethics, Law, Justice and Governance
URI http://hdl.handle.net/10072/27158
Publication Type Article in Scholarly Refereed Journal
Publication Type Code c1

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