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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
March 8, 2016

NSW woman in coma after record drink driving crash

A woman who crashed her car on the NSW north coast was allegedly almost nine times above the legal limit in what police say is the highest drink driving reading in the state’s history.

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Latest News

December 10, 2025

Interlock Devices In Shared Vehicles: Legal and Practical Tips For Families and Carpoolers

For many Australian families and carpoolers, sharing a vehicle is second nature, essential for juggling busy lives. But when an alcohol interlock device is required by law, suddenly, the dynamics of using…
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November 3, 2025

The Difference Between An Alcohol Interlock & A Breathalyser

Drink driving continues to be a serious issue in Australia, contributing to approximately 30% of fatalities each year. With strict laws in place and lives on the line, monitoring alcohol levels before…
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September 22, 2025

Understanding Interlock Sensitivity: Real Risks Of Everyday Products

Modern alcohol interlock devices are highly sensitive tools designed to keep roads safe and help drivers prove their commitment to sober driving. But for many Australians, the reality of using an interlock…
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