The evaluation report indicated that the “Alcohol Interlocks Campaign” was among the Top 5 Road Safety Commission (RSC) ads in terms of efficiency of cost, with a reach of more than 1.4 million WA residents aged 17 and above. Overall, the campaign effectively influenced 8 in 10 people to restrict themselves from drink driving.
Batini C, Nolden A. Alcohol Interlocks Campaign Evaluation. Road Safety Commission; 2016 Dec. Available from; https://www.rsc.wa.gov.au/RSC/media/Documents/Resources/Publications/Alcohol-Interlock-Campaign-Evaluation_Report.pdf