Drink driving continues to be a serious problem on Australian roads, as alcohol-related crashes result in substantial injuries, fatalities and property damage. While legal sanctions such as fines and licence disqualification periods have been effective in preventing a large proportion of the population from drink driving, sanctions have been relatively ineffective in reducing alcohol-impaired driving among 'hard-core' repeat offenders (Marques, Voas and Hodgins 1998). As a result, drink driving rehabilitation programs and alcohol ignition interlocks are being employed as additional countermeasures to reduce the prevalence of alcohol-related injuries and fatalities on public roads. This report aims to review the current evidence regarding the effectiveness of rehabilitation and interlock programs, and to provide support for the expansion of upcoming Australian interlock trials to include (a) screening and matching procedures, (b) intervention and/or support programs and (c) formative evaluations that focus on a number of measurement outcomes. (a).
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