Cannabis and Road Safety – Understanding the Risks of Driving Under the Influence
- Gabriel Xiong
- May 21
- 2 min read

Why Cannabis and Road Safety Matter More Than Ever
Discussions on cannabis and road safety have become increasingly important as cannabis use grows worldwide. While some believe driving under the influence of marijuana is less dangerous than alcohol, studies show that cannabis significantly impairs reaction time, coordination, and judgment, making it a major risk for road safety.
In Thailand, where road accidents rank among the highest in Asia, impaired driving—whether from alcohol or cannabis—is a serious concern. Promoting awareness of cannabis and road safety is crucial to reducing accidents and saving lives.
Cannabis vs. Alcohol – How Do They Impact Driving?
Thailand has long struggled with high rates of drink driving, leading to thousands of fatalities yearly. Alcohol consumption results in reckless behavior, reduced motor control, and impaired vision, making drink driving one of the leading causes of accidents.
Cannabis, on the other hand, affects perception, focus, and coordination, leading to slower reaction times and difficulty judging distances. While cannabis users may feel more in control compared to alcohol-impaired drivers, studies show that marijuana significantly increases accident risk.
Additionally, Thailand’s drink driving laws are strict, with clear blood alcohol limits, but detecting cannabis impairment remains a challenge due to the lack of standardized testing methods.
Thailand’s High Road Fatality Rate – A Wake-Up Call
Thailand consistently ranks among the most dangerous countries in Asia for road accidents, with thousands of lives lost each year due to reckless driving, poor road conditions, and impaired judgment. Whether caused by alcohol or cannabis, driving under the influence contributes significantly to these tragic statistics.
Legal Consequences and Awareness – Stay Safe with Cannabis
Driving under the influence of cannabis is illegal in Thailand, with penalties similar to drink driving offenses. Authorities continue to crack down on impaired driving, urging motorists to stay off the roads if they’ve consumed any intoxicating substances.
While this blog focuses on cannabis-related driving risks within Thailand, NST Law’s guide on driving under the influence of marijuana offers valuable insights into the legal implications of cannabis-impaired driving. Although NST Law is based in the U.S., their comprehensive analysis highlights the universal dangers of driving under the influence. Read their full guide here.
Stay Safe – Never Drive Under the Influence
Whether it’s alcohol or cannabis, impaired driving endangers lives. With Thailand’s road safety crisis, responsible choices are more important than ever. Stay safe with cannabis—never get behind the wheel while impaired.
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