Affiliation:
1. Virginia Polytechnic Institute and State University
2. University of Iowa, Iowa City, Iowa
Abstract
Three on-road studies were conducted to determine how headway maintenance and collision warning displays influence driver behavior. Visual perspective, visual perspective with a pointer, visual perspective combined with an auditory warning, discrete visual warning, and discrete auditory warning were assessed during both coupled headway and deceleration events. Results indicate that when drivers are provided with salient visual information regarding safe headways, they utilize the information and increase their headway when appropriate. Auditory warnings were less effective than visual warnings for increasing headways but may be helpful for improving reaction time during events that require deceleration. Drivers were some what insensitive to false alarm rates, at least during short-term use. Finally, and most important, driver headway maintenance increased by as much as 0.5 s when the appropriate visual display was used. However, a study to investigate the long term effects of such displays on behavior is strongly recommended prior to mass marketing of headway maintenance/collision warning devices.
Subject
Behavioral Neuroscience,Applied Psychology,Human Factors and Ergonomics
Reference11 articles.
1. Horowitz, A. B. & Dingus, T. A. (1992). Warning signal design: Akey human factors issue in an in-vehicle front-to-rear-end collision warning system. In Proceedings of the Human Factors Society 36th Annual Meeting (pp. 1011–1013). Santa Monica, CA: Human Factors and Ergonomics Society.
2. Mortimer, R. G. (1990). Perceptual factors in rear-end crashes. In Proceedings of the Human Factors Society 34th Annual Meeting (pp. 591–594). Santa Monica, CA; Human Factors and Ergonomics Society.
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