The research section begins by describing the research that has been conducted to investigate the relationship between alcohol interlocks and its influence on recidivism rates in first time and repeat offenders. The experience of judges and other practitioners in the field are then explored with respect to how often sentences of alcohol interlocks are imposed, various factors contributing to judicial reluctance to impose alcohol interlocks as a sentence, and a cost-benefit analysis of ordering alcohol interlocks as sentence.

A discussion is also provided surrounding whether offenders comply with orders to install alcohol interlocks, and furthermore if offenders comply with the device in the event that they have installed it. This discussion is expanded upon to consider whether the information from the data recording device in the alcohol interlock can be used to predict future offences. An important facet to consider when evaluating the impact of alcohol interlocks is the opinions and experiences of participants and offenders as well as the impact that the device has on the participant’s or offender’s family, which are summarized based on several studies. Research findings are also presented to address what happens when the alcohol interlock is removed from the vehicle, as well as the relationship between alcohol interlocks and substance abuse treatment. Concluding points are reserved for an evaluation of the strengths and limitations of existing research as well as suggestions for future research to be conducted.