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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

The below listing of articles include a wide range of current events related to interlocks, road safety and drink driving specifically. From here you can keep up to date with the latest alcohol interlock products, industry advice and company news from the professionals at Guardian Interlock.

June 25, 2025

How Interlock Devices Impact Loved Ones Of Offenders

Alcohol interlock devices are proven tools for drink driving prevention, but their impact extends far beyond the offender. Family members, friends, and colleagues are often deeply affected emotionally, socially, and practically when…
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June 13, 2025

What Counts As A Violation In An Alcohol Interlock Program?

When you're navigating the conditions of an alcohol interlock program, there’s no room for confusio–especially when your ability to drive depends on it. These programs are designed to promote safer roads by…
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April 30, 2025

Easter Road Safety Checklist By The Numbers

As Easter has just passed, Australians have had one of the busiest travel periods of the year. While many looked forward to spending time with family and friends, the Easter long weekend…
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March 26, 2025

Guardian’s New Electronic Install Process: What It Means For You

Getting an alcohol interlock installed shouldn’t be a hassle. Here at Guardian Interlock, we understand that your time is valuable, which is why we are always looking for ways to improve the…
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February 27, 2025

The Road To Zero: How Interlocks Are Shaping Australia’s 2025 Road Safety Goals

As Australia strives towards its ambitious "Vision Zero" goal of eliminating road fatalities and serious injuries by 2050, alcohol interlocks are playing an increasingly crucial role in shaping our nation's road safety…
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February 12, 2025

Why Some Drivers Choose To Install Voluntary Interlock Devices

At Guardian Interlock, we've seen a growing trend of drivers opting for voluntary installation of alcohol interlock devices. As Australia's leading provider of interlock services, we understand the various reasons behind this…
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