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THE EFFECTS OF GUIDANCE METHOD ON DETECTION AND SCANNING AT INTERSECTIONS - A PILOT STUDY
Steven W Savage1, Lily Zhang1, Dora Pepo1
1Schepens Eye Research Institute, Harvard Medical School, Boston, MA.
Proceedings of the ... International Driving Symposium on Human Factors in Driver Assessment, Training, and Vehicle Design
|February 6, 2018
Summary
Following a lead vehicle improved older drivers' hazard detection at intersections compared to GPS navigation. However, this method may reduce essential head and eye scanning behaviors.
Area of Science:
- Gerontology
- Human Factors
- Traffic Safety
Background:
- Older drivers experience high rates of intersection collisions.
- Inadequate head and eye scanning may contribute to these incidents.
- Previous studies used GPS or lead vehicle guidance, potentially influencing scanning.
Purpose of the Study:
- To assess the impact of guidance method (GPS vs. lead vehicle) on older drivers' scanning behaviors.
- To evaluate the effect of guidance method on hazard detection at intersections.
- To examine head and eye movements during simulated intersection navigation.
Main Methods:
- Pilot study using a driving simulator.
- Participants were guided by either auditory GPS instructions or a lead vehicle.
- Head and eye movements were tracked.
- Detection rates of motorcycle hazards were recorded.
Main Results:
- Significantly higher detection rates when following a lead vehicle compared to GPS.
- Drivers following a lead vehicle responded closer to the intersection.
- Preliminary data indicate reduced scanning frequency when following a lead vehicle.
Conclusions:
- Following a lead vehicle enhances hazard detection for older drivers at intersections.
- The method of guidance significantly impacts scanning behaviors.
- Further research is needed to optimize guidance strategies for older driver safety.
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