The impact of police presence on angry and aggressive driving

Predrag Stanojević, Mark J.M. Sullman, Dragan Jovanović, Dragana Stanojević

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


An extensive body of research has found that angry and aggressive driving are both significantly related to crash involvement. There has also been a large body of research investigating the situational factors related to angry and aggressive driving, but one interesting question that has not yet been answered is whether the enforcement of traffic laws causes or reduces angry and aggressive driving. The independent region of Northern Kosovo represents a unique opportunity to investigate the impact of a lack of traffic enforcement on driving behaviour. Therefore, the present study set out to investigate whether the presence of traffic enforcement has a significant impact on the level of driver anger and aggressive driving. Registered owners of motor vehicles in Northern Kosovo and Serbia were both sent a questionnaire which contained the 28-item Dula Dangerous Driving Index (DDDI) and the 21-item UK Driving Anger Scale (UKDAS). This found that anger was higher in two of the four driving anger factors (direct hostility and progress impeded) and two of the three DDDI factors (risky driving & aggressive driving). Furthermore, the present study found that the lack of police enforcement was a significant predictor of both aggressive and risky driving, even after the driving anger and demographic variables had been partialled out. Therefore, it appears that introducing or increasing traffic enforcement may be one method of reducing aggressive and risky driving behaviour.

Original languageEnglish
Pages (from-to)93-100
Number of pages8
JournalAccident Analysis and Prevention
Publication statusPublished - 1 Jan 2018
Externally publishedYes


  • Aggressive driving
  • Driving anger
  • Enforcement
  • Risky driving


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