Sleepiness, crashes and the effectiveness of countermeasures: consolidated report within the ERANET node 15

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Göran Kecklund
Torbjörn Åkerstedt

Research shows that the impact of fatigue/sleepiness on traffic safety is high. The aim of this report is to summarize the findings of different studies conducted as part of the ERANET node 15 priority with a focus on driver sleepiness, its cause and possible countermeasures.

The project included two studies of the role of fatigue and sleepiness in road crashes. Crash victims filled in a survey which asked them about various aspects of sleep and sleepiness prior to the crash. Other experimental studies were carried out within the scope of ENT 15 to evaluate the effects of commonly used countermeasures such as: blue light, physical exercise, rolling down the window and turning on the CD player.

In addition to the experimental studies two reviews were carried out in the Netherlands. One summarizes the state-of-the-art of methods for counteracting sleepiness at the wheel while the other aims to map those risk factors associated with fatigued driving and discuss them in relation to appropriate interventions. Finally, two studies were also carried out in Norway: the first is an empirical study about rumble strip effectiveness, specifically in relation to fatigued driving; and the second is a comprehensive review of promising programmes for the management of fatigue by employing organisations.

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