Drug Driving in NSW: Can You Be Charged Even If You Were Not Impaired?
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Drug Driving in NSW: Can You Be Charged Even If You Were Not Impaired?

ByFairfield Criminal Lawyers

A lot of drivers in NSW still assume drug driving works like drink driving. They think police have to prove they were visibly affected, weaving across the road, slurring their words, or obviously unsafe behind the wheel. But is that actually how the law works in New South Wales? What if you used cannabis the night before, felt completely normal the next day, and still tested positive at the roadside? Could you really be charged even if you were not “high”? Yes – and that is exactly why this issue gets so much attention.

This is also not a niche issue anymore. BOCSAR reported that between 2008 and 2023, the number of drug driving charges in NSW rose from an average of 102 per quarter in 2008 to 3,296 in 2023. Over the same period, roadside drug testing expanded dramatically, with annual testing rising from around 20,000 to 156,000 tests per year, and Transport for NSW later reported 216,696 mobile drug tests were conducted in 2023–24 alone.

BOCSAR’s 2024 Bureau Brief is especially important here. It found that the rise in charges over the 15 years to 2023 followed sequential expansions of the NSW Mobile Drug Testing program, and that the growth in charges was not simply explained by rising drug use at a population level. In other words, increased enforcement and targeted testing are a major part of the story.

The actual offence wording

The main offence is found in section 111 of the Road Transport Act 2013 (NSW). In simple terms, a person must not drive, attempt to drive, or occupy the driving seat of a motor vehicle while there is present in the person’s oral fluid, blood or urine any prescribed illicit drug. That wording matters because it is not framed purely as an impairment offence. It is framed as a presence offence.

Transport for NSW and the NSW Government explain that roadside saliva testing in NSW is used to detect the presence of cannabis, MDMA/ecstasy, cocaine and methamphetamine. If a roadside drug test is positive, it is repeated, and further analysis may follow. That means a person can be charged even where they insist they were not driving badly and did not feel intoxicated.

What are the penalties?

The Judicial Commission’s Local Court Bench Book is the safest place to set this out clearly. For presence of a prescribed illicit drug under s 111(1), the Bench Book records that a first offence carries a maximum fine of $2,200, with no imprisonment, and an automatic disqualification of 6 months with a minimum disqualification of 3 months. A second or subsequent offence within 5 years carries a maximum fine of $3,300, no imprisonment, and an automatic disqualification of 12 months with a minimum of 6 months.

That is already serious enough, but the position gets worse where there are refusals, combined alcohol-and-drug allegations, or more serious impairment-based charges. The same Judicial Commission material shows that offences involving refusal to provide oral fluid or blood samples can carry much heavier penalties, including imprisonment for repeat offenders.

Drug driving is not the same as driving under the influence

This is one of the most important legal distinctions, and it is often poorly understood by the public.

A presence offence under section 111 is different from a more serious allegation of driving under the influence of a drug under section 112. The Judicial Commission’s road transport legislation materials list them separately. A presence offence usually turns on the detection of a prescribed illicit drug. A DUI allegation, by contrast, is focused on impairment and carries significantly heavier penalties.

This distinction matters because a person may say, “But I wasn’t impaired.” That may be highly relevant to public debate, but for a pure section 111 presence offence it does not necessarily answer the charge. The prosecution may still proceed if the statutory elements are made out. That is why people who feel “sober” can still find themselves before a magistrate.

Why people get caught out

National Criminal Lawyers® already has a useful article on this exact point: Drug Driving vs Drink Driving: Different Laws, Different Strategies. That article explains, correctly, that many clients are shocked to discover they can be prosecuted because a drug is detectable, not because they were visibly intoxicated. That is exactly the kind of internal link that should appear naturally in this blog.

The broader NSW data reinforces that this is not just anecdotal. BOCSAR found that, after the expansion of testing, the number of drug driving incidents grew sharply and that recent growth in charges may be driven by police targeting of repeat offenders and motorists in regional areas. This is important for SEO and credibility: the increase is real, and it is not simply something criminal lawyers are saying for effect.

What happens at the roadside?

The BOCSAR Bureau Brief explains the Mobile Drug Testing process in three stages: an initial saliva swipe, a second-stage oral fluid analysis, and then confirmatory laboratory testing. It also notes that drivers who obtain a positive second test result are issued a 24-hour prohibition notice and prohibited from driving during that period, with legal action taken later if the laboratory confirms the result.

That process matters because many defences and negotiations in traffic matters can turn on testing procedure, timing, compliance with the statutory scheme, and the exact charge laid. A case is not always just “positive test equals guilty plea”. Sometimes there are issues worth examining carefully.

What does the Judicial Commission say about how courts approach these matters?

The Judicial Commission’s materials are useful here not just for penalties, but for meaning. Their road transport chapter makes clear that NSW traffic law distinguishes between the major drug-related offences and structures penalties around first and second offences within a five-year period. Their general sentencing materials also remind courts that the maximum penalty is the legislature’s yardstick of seriousness, while subjective factors such as prior record, health, background and post-offence conduct remain relevant when sentencing.

That means courts are not sentencing in a vacuum. A first offender with strong subjective material, a genuine need for a licence, insight, rehabilitation steps and otherwise good character may present very differently from a repeat offender who has prior traffic and drug matters. The law is strict, but outcome still depends heavily on preparation and context.

Are the laws changing?

There is another reason this topic is timely. In March 2025, the Road Transport Legislation Amendment (Post-Crash Drug and Alcohol Testing) Bill 2025 was introduced in the NSW Parliament to expand post-crash testing in serious crash situations. Separately, the 2026 Road Safety Action Plan and 2024 Progress Report both indicate a continuing policy push toward stronger drug and alcohol enforcement.

So the broader direction of travel is obvious: NSW is not softening its approach to drug driving. If anything, enforcement remains a live road-safety priority.

What about medicinal cannabis?

This is where public frustration often becomes most visible. Many drivers assume that if cannabis is lawfully prescribed and used responsibly, that should end the matter. But NSW’s current roadside drug testing framework is still largely based on presence, and the public debate about reform has continued precisely because medicinal users can still face exposure under the existing law.

That does not mean every medicinal cannabis case is hopeless. It does mean the law is technical, evolving, and not nearly as intuitive as many people think. It is one of the clearest areas where legal advice should be taken early rather than after assumptions have already done damage.

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If you have been charged with drug driving in NSW, driving with cannabis in your system, driving with prescribed illicit drug present, or a related traffic offence, do not assume the case is straightforward just because the police say you tested positive. These matters can affect your licence, employment, criminal record and future in a very real way.

At National Criminal Lawyers®, we regularly defend drug driving and traffic matters across Sydney, Parramatta, Penrith, Blacktown, Mt Druitt, Wollongong and throughout NSW. We understand the difference between a roadside assumption and a properly prepared defence, and we know how much can turn on timing, procedure, subjective material and the way the case is presented in the Local Court.

Call us at 1800 CRIM LAW for a free consultation. Help us help you understand your situation and get you the best outcome possible.

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