Deterrence of drug driving: The impact of the ACT drug driving legislation and detection techniques

Drug driving is a significant road safety concern rendering the implementation of roadside drug testing in all Australian jurisdictions. The current research sought to examine the impact of recently introduced roadside oral fluid screening in the Australian Capital Territory (ACT). Specifically, the study sought to examine drivers' awareness, perceptions and perceived deterrent impact of these operations and the degree to which they influence likelihood of future drug driving. A total of 801 male and female motorists aged 17-88 years of age completed a phone interview assessing demographics (e.g., driving and drug taking history), awareness and perceived effectiveness of roadside drug testing, and constructs central to both Classical Deterrence Theory (i.e., certainty, severity, swiftness) and reconceptualised deterrence theory (direct and vicarious experiences of both punishment and punishment avoidance) frameworks. Overall, despite an apparent decline in drug driving behaviour since the introduction of roadside testing, a large proportion of driver's possessed a poor awareness of these operations and did not perceive a high certainty of apprehension. Age, punishment avoidance and vicarious punishment avoidance were found to predict future likelihood of drug driving, whilst Classical Deterrence Theory variables did not. Contrary to expectations and previous studies, few significant differences were found with regards to gender. Findings are interpreted in light of the recency of roadside drug testing in the ACT and the need for future studies to examine the impact of such operations. Further recommendations for augmenting the deterrence of drug driving are discussed.