Investigating the effects of an advance warning in-vehicle system on behavior and attention in controlled driving

Authors:
Lars Holm Christiansen;Nikolaj Yde Frederiksen;Alex Ranch;Mikael B. Skov
Affiliations:
Aalborg University, Aalborg East, Denmark;Aalborg University, Aalborg East, Denmark;Aalborg University, Aalborg East, Denmark;Aalborg University, Aalborg East, Denmark
Venue:
Proceedings of the 3rd International Conference on Automotive User Interfaces and Interactive Vehicular Applications
Year:
2011

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Abstract

Advance warning systems constitute a class of in-vehicle systems that could influence and improve driving in the future, e.g. by warning of accidents or slippery roads. However, the effects of advance warning systems are still poorly understood and investigated. In this paper, we report from an experiment in a controlled driving situation where we investigate how such advance warnings affect driver behavior and attention. Our results showed that the advance warnings overall had a limited effect on the speed of the drivers, although they had a positive effect for some road conditions especially for slippery road conditions. Furthermore, our subjects had a significantly higher number of eye glances. In particular, they glanced at the system when warnings were issued.