The State of Drug-Driving Law in Australia 2026

Last verified:

An annual review of how each Australian state and territory treats a driver who tests positive for THC from a lawful prescription. Across the eight jurisdictions, 1 provides a defence for prescribed use, 6 have reform on foot, and 5 remain strict presence jurisdictions with no protection for patients. Free to read, quote and republish with attribution.

Findings

1 of 8 jurisdictions give a prescribed patient a defence

Only Tasmania provides a defence for a driver using lawfully prescribed medicinal cannabis without impairment. In the other 7, a valid prescription is not an answer to the charge: the offence is the presence of THC, not impairment.

Reform is on foot in 6 of 8

New South Wales, Victoria, Queensland, Western Australia, South Australia, Australian Capital Territory each have at least one live reform item — a bill, review or announced scheme. Tasmania, Northern Territory have none on foot at the date of this edition.

The most advanced scheme still excludes many patients

The New South Wales bill before Parliament would apply only to unrestricted licence holders. Learner drivers, provisional drivers and commercial drivers would remain outside it, as would drug-presence offences committed outside NSW.

Penalty figures are the least reliable data in this field

We treat penalty amounts as independently verified for only 3 of 8 jurisdictions. Figures re-index each financial year and are published inconsistently across jurisdictions, so any comparison of dollar amounts across the country should be treated with caution.

All eight jurisdictions at a glance

JurisdictionStatusPrescription a defence?Court licence discretion?Live reform itemsLast verified
New South WalesStrict — reform before ParliamentNo3
VictoriaStrict — court licence discretionNoYes2
QueenslandStrict — review underwayNo3
Western AustraliaStrict — reform being consideredNo1
South AustraliaStrict — reform recommendedNo1
TasmaniaMedical defence availableYes0
Australian Capital TerritoryStrict — prescription no defenceNo1
Northern TerritoryStrict — no reform in sightNo0

See the reader-facing comparison → · Download the underlying data (JSON)

Method

Every statement is compiled from primary sources — legislation, parliamentary records and official government publications — and each jurisdiction carries its own last-verified date, shown above. The findings on this page are computed directly from that dataset at build time rather than written by hand, so the report and the data cannot disagree.

What we do not claim. Penalty amounts are the weakest figures in this area: they re-index annually and are published inconsistently, and we treat them as independently verified for only 3 of 8 jurisdictions. Reform status changes quickly — a bill listed here as before Parliament may have moved. This report describes the law in general terms and is not legal advice.

How to cite this report

Can I Drive? (2026). The State of Drug-Driving Law in Australia 2026. Retrieved from https://www.canidrive.com.au/report/2026/

Journalists and researchers are welcome to quote from this report or reuse the dataset with attribution and a link. If you need a figure checked, or want the data in another format, get in touch — we would rather you published something accurate.

Official sources by jurisdiction

New South Wales

Victoria

Queensland

Western Australia

South Australia

Tasmania

Australian Capital Territory

Northern Territory

Not legal advice. This page explains the law in general terms as at the “last verified” date shown. If you have been charged, or need to make a decision that depends on the law, speak to a lawyer — small differences in circumstances change outcomes. Driving while impaired by any substance, including prescribed medication, is illegal in every Australian state and territory.