NSW Premier Minns Advances Cannabis Driving Law Reform Despite Political Risk

Legislative Push Marks Policy Shift

Minns is moving forward with drug-driving law reform despite the political sensitivity of cannabis policy in NSW. The Premier, who's governed with a cautious, centrist approach since taking office in March 2023, is now backing changes to statutes that have drawn criticism from medical cannabis advocates and civil liberties groups. The Sydney Morning Herald characterized the move as an "uncharacteristic risk" for a leader who's avoided divisive social policy debates.

The proposed changes would alter how NSW Police test for THC and potentially introduce impairment standards rather than zero-tolerance detection thresholds. Current NSW law prohibits driving with any detectable amount of THC, regardless of actual impairment.

Current Zero-Tolerance Framework Under Scrutiny

NSW's existing drug-driving regime uses roadside saliva tests that detect THC presence, not impairment. Tests can return positive results days or weeks after cannabis use, long after psychoactive effects have subsided. This framework has generated thousands of prosecutions annually, many involving drivers with legal medical cannabis prescriptions.

Key issues with the current system:

• Saliva tests detect THC metabolites that persist for 12-72 hours in frequent users
• No correlation between detectable THC and driving impairment
• Medical cannabis patients face automatic disqualification despite lawful use
• Penalties include license suspension and fines up to AUD $2,200

Victoria and Tasmania have faced similar legal challenges, with courts in both states questioning the scientific basis for zero-tolerance THC testing.

Political Calculus Behind the Reform

Timing suggests Minns is responding to mounting pressure from the medical cannabis sector and crossbench MPs. NSW issued more than 12,000 drug-driving charges in 2025, with THC accounting for approximately 40% of positive roadside tests, according to NSW Bureau of Crime Statistics data. Advocacy groups including Unharm and the Australian Medical Cannabis Association have lobbied the government for 18 months on the issue.

Minns faces opposition from NSW Police, who've defended the zero-tolerance framework as a road safety necessity. The Police Association of NSW has publicly opposed any move toward impairment-based testing, citing enforcement complexity.

Regional NSW presents electoral risk. Cannabis remains politically contentious there. Minns holds a narrow majority in the Legislative Assembly, making crossbench support essential for passage.

National Context and Next Steps

NSW would join the Australian Capital Territory in adopting impairment-based cannabis driving standards if the reform advances. ACT revised its drug-driving laws in 2024 to allow drivers to prove lack of impairment even with detectable THC. Queensland and South Australia are conducting reviews of their own zero-tolerance frameworks.

For full background on this story, see the CannIntel topic hub on Australia Cannabis Driving Laws.

The NSW government hasn't released draft legislation or a timeline for parliamentary introduction. Minns's office declined to provide specifics to the Herald. Next legislative sitting begins June 17, but drug-driving reform isn't listed on the published agenda.

We'll be watching for draft bill language and whether Minns seeks bipartisan support or relies on crossbench votes to pass the measure.