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Tackling Drink Driving: Lessons from DRUID Study

This European road safety conference in Germany discusses the impact of alcohol and driving, with a focus on the success of the zero tolerance alcohol law for novice drivers.

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Tackling Drink Driving: Lessons from DRUID Study

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  1. SMART Approaches in Tackling Drink DrivingEuropean Road Safety Conference Alcoholand driving in Germany Prague May 7th, 2015 Dr. Horst Schulze Federal Highway Research Institute

  2. Druid: some facts • 6th EU Framework Program project • Start: 15.10.2006 • Duration: five years • EU contribution: 19 Mio. € • 37 partners • 17 EU Member States and Norway • Seven Work Packages • Co-ordinator: BASt, Germany Dr. Horst Schulze May 7th, 2015

  3. Problem situation: Epidemiology Controls: Roadside survey Drivers of personal vehicles Stratified sample Checked at random N = 50 000 Cases I: injured drivers Drivers of personal vehicles Seriously injured (MAIS≥2) N = 2 600 Cases II: killed drivers Drivers of personal vehicles Killed in traffic N = 1 000 Conducted in 13 countries according to a standardized procedure Dr. Horst Schulze May 7th, 2015

  4. Roadside survey: All substances • Prevalence of all psychoactive substances: • EU-Average: 7.43% • Colours • No data • above European average • below European average Dr. Horst Schulze May 7th, 2015

  5. Roadside survey: All substances • Most prevalent periods: weekend nights, week nights (22:00-04:00) • Alcohol 2-4 times more prevalent in male than in female drivers • Alcohol most prevalent among male drivers 50+ Dr. Horst Schulze May 7th, 2015

  6. Roadside survey: Alcohol + drugs • Combination any drug + alcohol • European mean: 0.37% (alcohol > 0.1g/L: 3.5%) Dr. Horst Schulze May 7th, 2015

  7. Prevalence and risk Dr. Horst Schulze May 7th, 2015

  8. DRUID: Recommendations Dr. Horst Schulze May 7th, 2015

  9. DRUID: Recommendations Dr. Horst Schulze May 7th, 2015

  10. Accident risk – empirical evidence Alcoholbanfornovicedrivers • Even a small blood alcohol concentration may impair driving ability of young, inexperienced drivers significantly. Dr. Horst Schulze May 7th, 2015

  11. Accidentrisk – Preusser (2002) Relative accident risk (reference value are unimpaired 35 to 49 year olds) Dr. Horst Schulze May 7th, 2015

  12. International Evaluations Alcoholbanfornovicedrivers • US, Canada: • Reduction of fatalities between 11 and 33% • Austria: • O, 1 ‰ alcohol limit in combination with the introduction of the probationary driving • reduction of the proportion of drunk novice drivers (BAC above 0.8 ‰) that were involved in accidents with serious injuries or fatalities to 16, 8% Dr. Horst Schulze May 7th, 2015

  13. Acceptance of alcohol prohibition Survey on alcohol ban for novice drivers (DEKRA, N=1100, 2007) • 86.4% of drivers of all ages welcome the new regulatory • 83.5% of the 16 to 26 year olds FORSA-Survey made on behalf of the „Stern“ (18- to 25 yearold, N=1001, März 2007) • 92% argue for a total ban on alcohol for novice drivers Internet-survey DVR (novicedrivers, N=mehr als 14.000, 2006) • 82% argue for a total ban on alcohol for novice drivers Dr. Horst Schulze May 7th, 2015

  14. German Regulations Zero tolerancealcohollawfornovicedrivers • Initial point: • • Implementation of the law: August 2007. • The limit is applicable to novice drivers of all ages during two years of probation and to all drivers under 21. • This decision was made referring to studies on risk factors and accident statistics: • - Alcohol remains a very important accident cause. • - In 2007 one third of all alcohol related accidents were caused by drivers between 18 and 24 years old. • - Exceptionally high risk of younger drivers is the result of the combination of multiple factors. • Aims of evaluation: • It was investigated how the new law affects the accident events and alcohol-related traffic offenses committed by the target group. Dr. Horst Schulze May 7th, 2015

  15. German Road SafetyMeasures Implementation of zero tolerance alcohol law for novice drivers (2007) Evaluation study Accidents The total number of novice drivers that were involved in accidents and had a blood alcohol content of at least 0.03 percent dropped by 15% in the first 12 months after the introduction of the law. Alcohol offences A reduction of 17% of all the registered alcohol offences among young drivers under 21 years of age was found during the period after the introduction of the law. This compares to a reduction of 2.5% for all persons older than 21 years. (Holte, Assing, Pöppel-Decker & Schönebeck, 2010) Dr. Horst Schulze May 7th, 2015

  16. Accident Statistics Dr. Horst Schulze May 7th, 2015

  17. Accident Statistics Dr. Horst Schulze May 7th, 2015

  18. AccidentStatistics Dr. Horst Schulze May 7th, 2015

  19. Accident Statistics Dr. Horst Schulze May 7th, 2015 19

  20. Accident Statistics Dr. Horst Schulze May 7th, 2015

  21. Conclusions • Alcohol is the most prevalent substance in seriously injured and killed drivers in Europe • The zero tolerance alcohol law for young and novice drivers improved traffic safety (accidents, offences) of this group substantially. • The acceptance of the law was high in the target group right from the beginning • key factor for success • When acceptance remains high, a sustainable consolidation or even increase of the effect can be reached • To stabilise acceptance and compliance: • Thematic presence of the danger of DUI driving in public (campaigns etc.) and educational measures • Enforcement • “Driving Drinkers” can not be reached only by legal measures • Enforcement • Withdrawl • Rehabilitation Dr. Horst Schulze May 7th, 2015

  22. Thank you very much for your attention! Dr. Horst Schulze May 7th, 2015

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