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An Eye Tracking-Based Forensic Analysis of Motorcyclist Conspicuity During a Left Turn Maneuver

Research has identified drivers’ failure to detect motorcyclists as a causal factor in collisions, with drivers often looking towards or at a motorcycle but reporting that they never saw the motorcycle. Driving is a complex task and it is important to understand where and how drivers allocate their attention. Using mobile eye tracking technology, the present study was conducted as part of the forensic analysis of a collision between a passenger vehicle and a motorcycle. Gaze patterns of eight individuals were recorded as they made left-hand turns across traffic. Data from this study indicated that half of the participants fixated the motorcycle. However, none of the participants appeared to detect the motorcycle-initiated motion towards them as they made their left turn. These findings suggest that drivers were able to peripherally detect the motorcycle but failed to see it or judged the motorcycle not to be an imminent threat.