About This Article
Zoom Testing has supplied drug testing kits to UK customers for nearly 20 years. This guide draws on our experience helping thousands of people understand drug testing, workplace compliance, and roadside drug testing legislation. Always follow current UK legislation regarding drug testing.
Published: October 2017 | Last Updated: January 8, 2025 | By Anthony Cunningham
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When you hear about people driving under the influence, you tend to think of alcohol first, but the reality is about half of the people tagged with a DUI actually have drugs in their system. This has led to road safety advocates campaigning for drug tests to be administered to all drivers in the event of a crash.
The most recent numbers from the National Police Chiefs’ Council (NPCC) show that drug related incidents are very much on the rise. In June 2017, a total of 2,022 people were stopped by the police, with 1,084 of them having illegal drugs in their system. That translated to 53.6%, a dramatic increase over the 39% from 2016.
How Do Drugs Affect Your Ability to Drive?
There are all sorts of different illegal drugs on the market, but we are going to focus on 3 of the most common, and talk about how they can affect you when you drive.
- Cocaine – This drug can make drivers a little too confident and aggressive. The end result here is that drivers take risks that put themselves and others in danger.
- Ecstasy – The vision of the user can become distorted when on ecstasy, and they may also develop a sensitivity to light and sound, which is not great when driving.
- Cannabis – Driver’s tend to feel safe when driving under the influence of cannabis, but reaction times tend to slow down when weed is introduced.
According to THINK! Road Safety, drug driving is a serious offence that can have devastating consequences. Understanding how different substances affect driving ability is crucial for workplace drug testing programmes and fleet management.
Why Is Drug Driving on the Rise?
Police had a difficult time testing for drugs prior to 2015. When reasonable grounds for testing were in place, police could escort the driver to the nearest police station, where they would then undergo a blood test. Since 2015, police now have roadside drug test kits that allow them to test drivers for banned substances at the scene of the traffic stop.
What About After Accidents?
Tests were conducted 243 times following collisions, with 48 (19.9%) of the drivers involved found to be under the influence of illegal drugs. That number is more than high enough for advocates to call for the testing of every driver involved in a collision.
How Do Roadside Drug Test Kits Work?
The test begins with the police office taking a saliva swab of the driver, with said swab then placed into a cartridge that’s houses a chemical strip. The strip begins to change colour when it recognises the presence of illegal drugs. The test is usually completed in a manner of minutes, making it easy for officers to quickly tell if the driver is in violation of the law. The roadside drug test kits, or drugalysers, are able to detect 17 different illegal drugs. They can also detect prescription drugs that are most commonly used for anxiety and insomnia. Drivers found to be under the influence will get an immediate 1-year ban, as well as a huge fine.
Click here to read about the cut-off levels for 17 drugs under the drug driving legislation.
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UK Drug Driving Law
Since March 2015, UK drug driving legislation has made it illegal to drive with specific drugs in your system above set limits. This applies to both illegal drugs and certain prescription medications. The law covers 17 controlled drugs, including cannabis, cocaine, ecstasy, and prescription drugs like benzodiazepines and opiates.
For commercial drivers, the requirements are even stricter. HGV drivers face specific drug testing laws and rules that employers must follow to maintain road safety and legal compliance.
Where to Buy a Roadside Drug Test Kit
Zoom Testing saliva drug testing kits screen for the same drugs as the new roadside drug test and can be bought online from our website. This test will screen for the same drugs of abuse that a police test will check for, including, Cannabis, Cocaine, Opiates, Amphetamines, Methadone & prescription drugs that can impair your driving ability (Benzodiazepines).
Many organisations now use saliva drug tests as part of their safety protocols, particularly in transport and logistics sectors where driver impairment poses significant risks.
Drug Driving Facts
- A drug driving conviction can mean 6 months in prison, and a minimum 1-year ban from driving.
- Passing the roadside test does not necessarily get you off the hook, as police can still arrest you on suspicion of being under the influence of an illegal substance.
- As with drunk driving, a drug driving conviction will remain on your license for 11 years.
It’s important to note that drug driving doesn’t just refer to illegal substances. Prescription drugs and over-the-counter medication can also impair your ability to drive safely, so it’s important to always read the label and consult with a doctor or pharmacist if you are unsure about the possible side-effects.
In some cases, drug driving can have severe consequences, such as causing accidents that result in injury or death. That’s why it’s crucial to never get behind the wheel if you have taken any substances that could affect your driving ability.
If you do find yourself in a situation where you suspect that someone is driving under the influence of drugs, it’s important to report it to the authorities immediately. By doing so, you may prevent a potential accident and save lives.
Remember, drug driving is just as dangerous as drunk driving. It’s important to always be aware of the risks and make responsible decisions when it comes to driving.
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Our Recommended Product
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The kit screens for:
- THC (Cannabis)
- Cocaine
- Opiates
- Amphetamines
- Benzodiazepines
- Methadone
- Alcohol (0.02% and above)
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About the Author
Anthony Cunningham – Drug Testing Expert & Editor
Anthony Cunningham, BA (Hons), MA, is a UK-based drug testing expert and editor with over 20 years’ experience running Zoom Testing, a trusted source for accurate drug testing kits and testing guidance. He creates clear, evidence-based articles using UK legislation, workplace compliance standards, and harm reduction best practices. Where possible, content is reviewed by testing specialists and compliance professionals to enhance accuracy and reliability, helping readers make informed testing decisions.




