Relationship between Speed, Lateral Placement, and Drivers’ Eye Movement at Two-Lane Rural Highways
Publication: Journal of Transportation Engineering
Volume 132, Issue 8
Abstract
A number of previous studies have investigated driver behaviors including speed and lateral placement in curved sections of highways. However, few studies attempted to empirically address relationships considering other factors, such as driver’s eye-fixation distributions and illuminations, which are also believed to be relevant to highway safety. This study consists of field experiments to examine driver behaviors under different geometric and illumination conditions in two-lane rural highways. In the experiment, drivers’ eye movements, which have been considered as surrogate of drivers’ visual attention, are investigated by using a head-mounted eye-movement tracking system. Regression models are developed to show the relationship among the data, and the results show that there are significant differences in driver’s eye movements under different geometric and illumination conditions. These findings give traffic engineers practical suggestions when implementing traffic control devices to increase safety on curved sections of two-lane rural highways.
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Acknowledgments
This study was supported by the Ministry of Construction and Transportation (MOCT) of Korea and Korea Institute of Construction Technology (KICT). However, the opinions, findings, and conclusions expressed in this paper are those of writers and do not necessarily reflect the views of MOCT and KICT. The writers thank Professor Ki-Jung Kum and his team for providing eye movement experimental equipment.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 132 • Issue 8 • August 2006
Pages: 649 - 653
Copyright
© 2006 ASCE.
History
Received: Jul 9, 2004
Accepted: Dec 9, 2005
Published online: Aug 1, 2006
Published in print: Aug 2006
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