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Drugnet Europe News from the European Monitoring Centre for Drugs and Drug Addiction — January–March 2009

Drug use, a growing challenge for EU road safety

Alcohol remains the number one substance endangering lives on European roads, but more drivers are now found to be using illicit drugs and psychoactive medicines, presenting a growing challenge for policymakers. This is according to the EMCDDA’s latest report on drugs and driving, released in December.

picture of car dashboard

The report, Drug use, impaired driving and traffic accidents, a review of the latest research in this field, explores the potential impact on road safety (1). Concerns are expressed in the report over the prevalence of drivers under the influence of drugs on EU roads as well as the detection of a broader range of drugs. ‘The range of psychoactive substances available for illicit use today is widening’, says the report ‘and the latest studies which look for evidence of their use in drivers are indeed finding increased rates’.

The report is dedicated to the effects and risks associated with the use of individual substances or with multiple drug use. Among the substances covered are amphetamines, cannabis and cocaine as well as a range of synthetic drugs (ecstasy, GHB, ketamine, PCP). Also included are opioids (buprenorphine, fentanyl, heroin, methadone and morphine) and benzodiazepines (e.g. sedatives).

‘Preventing driving under the influence of drugs is targeted by the current EU drugs strategy 2005–12 and its action plans’, said EMCDDA Director Wolfgang Götz, ‘and policymakers are increasingly called upon to respond to the problems of road fatalities linked to licit and illicit substances. Determining the link between drug use, impaired driving and traffic accidents is a remarkably complex subject and a fast-moving area of research. With this report we aim to offer a precise overview of findings to date and an important signpost towards more effective solutions in the future’.

Research covered in the report is broadly split into two types: epidemiological and experimental. Epidemiological studies examine the prevalence of drugs in driving populations, and are conducted through a range of surveys (e.g. roadside, hospitals). Experimental studies, where a drug is administered to volunteers in measured doses, help gauge potential risks through performance tests (e.g. assessing reaction times, visual skills); driving simulator exercises (e.g. testing braking ability); and real driving ‘tests’ on the road (e.g. monitoring deviation, speed).

According to the report, experimental studies show that most illicit drugs can affect some aspect of driving performance and increase the risk of being involved in a traffic accident. And chronic (long-term) use of any illicit drug can decrease driving performance, even when the subject is no longer intoxicated.

Dominique Lopez and Brendan Hughes

See the full range of EMCDDA products on drugs and driving on the drugs and driving thematic page.


Drugnet Europe is the EMCDDA's newsletter launched in September 1996. The newsletter provides regular and succint information on the Centre's projects and activities to a broad readership.

About the EMCDDA

The European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) is the reference point on drugs and drug addiction information in Europe. Inaugurated in Lisbon in 1995, it is one of the EU’s decentralised agencies. Read more >>

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Page last updated: Friday, 20 February 2009