Daytime running lights as a vehicle collision countermeasure: The Swedish evidence reconsidered

Daytime running lights as a vehicle collision countermeasure: The Swedish evidence reconsidered

Theeuwes, J.
Riemersma, J.B.J.
TNO Technische Menskunde

1995

In Sweden the use of daytime running lights (DRL) was made mandatory on 1 October 1977 for all motor vehicles at once, during all seasons and for all areas. According to a study conducted by Andersson and Nilsson (1981) the introduction of DRL resulted in a reduction of 11% of multiple accidents during daytime. In many discussions on the effectiveness of DRL, these findings have been consid-ered as the strongest evidence that the use of DRL is an effective vehicle collision countermeasure. The present study reexamines this evidence and shows that the reported 11% effect of DRL in the Swedish study is spurious. The effect is mainly the results of the application of a model that shows selective effects of DRL through modelling of unexplained changes in the number of single accidents. It is concluded that the Swedish data fail to show a clear effect of DRL.

Deze literatuurstudie bespreekt het gebruik van Motorvoertuig Verlichting Overdag (MVO) als een maatregel gericht op het komen van meervoudige ongevallen. Geconcludeerd wordt dat er geen harde evidentie is om een positief effect van MVO te verwachte

Traffic
traffic
accidents
Collision avoidance
Headlights
Highway accidents
Mathematical models
Risk assessment
Daytime running lights
Vehicle collision countermeasure
Accident prevention
Cars
circadian rhythm
Illumination
Injury
Statistics
traffic accident
Accidents, Traffic
Automobiles
Circadian Rhythm
Cross-Sectional Studies
Data Interpretation, Statistical
Humans
Incidence
Lighting
Models, Statistical
Program Evaluation
Sweden
Wounds and Injuries

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8323

Accident Analysis and Prevention, 27 (5), 633-642

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