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Fully Accredited Alcohol Interlock Systems
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State Interlock Programs/Schemes

Discover Each Australian State & Territory’s Alcohol Interlock Programs and Schemes. In Australia, each state provides direction on how interlock programs operate. Important factors can differ between states, click here to learn more about the rules for each Australian state & territory’s Alcohol Interlock Programs and Schemes.

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Private Interlock Systems

Find Out How to Install a Private Alcohol Interlock System. If you are looking for a new Private Interlock System for your employees, follow the link below to learn more about the products available to get you started.

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About Us

Guardian Interlock manages alcohol interlock programs/schemes on behalf of various state transport authorities in Australia and offers Interlock solutions to safety conscious businesses and individuals.

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Service Centres

Guardian Interlock has a vast network of Service Centres across Australia for interlock installation, interlock services and interlock removal. To find your nearest Service Centre, click on your state of residence.

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Service Centre Login

Login to access Guardian’s Service Centre portal to order stock or access Documentation. If you do not know you login please contact us.

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News
May 21, 2018

Download the new app now !!!

The new Guardian app will help you when you are on the go. Finding you nearest service centre or help with your interlock messages is now at your fingertips !!

Latest News

September 29, 2026

Rolling Retests Explained: What They Are, When They Happen, and How to Handle Them

Of all the routine aspects of living with an alcohol interlock, the rolling retest is the one that catches participants off guard most often - not because it is complicated, but because…
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August 31, 2026

Completing Your Interlock Program: What the Final Stages Actually Involve

After months of breath tests, service appointments, and rolling retests, reaching the end of an interlock program is a genuine milestone - but it is not always clear to participants exactly what…
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August 25, 2026

Interlock Programs in Victoria: Rules, Durations, and What to Expect

If you've been disqualified from driving in Victoria for a drink driving offence, you will likely be required to complete the Victorian Alcohol Interlock Program (VAIP) before your full licence is returned.…
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