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Evaluation of Norway's driver demerit point system

Authors: Fridulv Sagberg, Rikke Ingebrigtsen, Hanne Beate Sundfør
Report nr: 1523/2016
ISBN: 978-82-480-1769-1
ISBN (digital version): 978-82-480-1768-4
Language: Norwegian
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TØI has evaluated the Norwegian system for driver license demerit points. Analyses of the demerit point register show that drivers who are at risk of license revocation due to a high number of demerit points reduce their risk of further traffic violations. In 2011 the system was changed to the effect that drivers with a probationary license (first two years after licensing test) incur twice as many demerit points for each violation, compared to full-license drivers. This is a possible explanation of the finding that novice drivers have reduced their crash risk more than the general driving population. A questionnaire study confirms the analyses of register data, showing that drivers with many demerit points report to have changed their driving behaviour most positively as a consequence of the demerit point system in general as well as the fact that they have incurred demerit points.


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