Evaluate driver response to active warning system in level-2 automated vehicles

This study focuses on driver’s response when experiencing prompts after two seconds of inattention while operating a Level 2 vehicle in automated mode. The results show that on average, the frequency of prompts the participants received decreased over the course of the experiment from 29.9 in the first ten minutes to 18.1/10 min after 110 min. The decrease levelled off after about two hours. The fact that participants received fewer prompts over time suggests that they had fewer instances of inattention lasting at least two seconds as the experiment progressed. This suggests that drivers would adapt to the alert and adjust their behavior to avoid triggering the inattention alert. The results of this study provide evidence for a potential benefit of incorporating a prompting system in vehicles with automated functions.
Source: Accident Analysis and Prevention - Category: Accident Prevention Source Type: research