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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
August 23, 2019

NEW Guardian 2030 Interlock Device

On 1 May 2019. Guardian Interlock Systems Australasia Pty Ltd commenced supply of the Guardian 2030 Alcohol Interlock Device. This system and all associated alcohol interlock device services offered by Guardian Interlock Systems Australasia Pty Ltd are not associated with, sponsored by, approved by, licenced by and/or affiliated with ACS Corp Canada.

Latest News

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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