Effectiveness of in-vehicle advisory warnings

What is it about?

This paper presents a comprehensive study on the effectiveness of future in-vehicle warning systems that are designed to assist the driver at an early stage of traffic conflicts. These so-called advisory warnings are based on inter-vehicle communication (so called C2X-communication). Within the study, a set of most important crash scenarios were used as test situations in a driving simulator study. The results show that these advisory warnings can have a great impact on driving safety, especially in case of sight obstructions.

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Why is it important?

The study has investigated the impact of C2X-warnings in a wide range of urban traffic situations, using an empirically validated HMI-concept. This concept has been established in prior studies, bringing together advances in technical aspects of C2X-warnings and human factors insights on the design of these warning systems. C2X-warnings systems are currently in a deployment stage in real traffic situations, making the study results directly relevant for upcoming advances in traffic safety.