The time course of a lane change: Driver control and eye-movement behavior |
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| Institution: | 1. Department of Mathematics and Computer Science, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USA;2. MIT Man Vehicle Laboratory, 70 Vassar Street, Rm 37-219, Cambridge MA 02139, USA;1. Institute of Transport and Logistics Studies, University of Sydney Business School, The University of Sydney, Australia;2. School of Civil Engineering, The University of Queensland, Australia;3. School of Civil Engineering & Built Environment, Science and Engineering Faculty, Queensland University of Technology, Australia;1. Chongqing Key Lab of Traffic System & Safety in Mountain Cities, Chongqing Jiaotong University, Chongqing 400074, China;2. Key Laboratory of Automotive Transportation Safety Technology, Ministry of Transport, Chang''an University, Xi''an 710064, China;1. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hong Kong Special Administrative Region;2. School of Engineering, Sun Yat-Sen University, Guangzhou, China;3. Guangdong Provincial Key Laboratory of Intelligent Transportation Systems, Guangzhou, China |
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| Abstract: | In this paper we explore the time course of a lane change in terms of the driver's control and eye-movement behavior. We conducted an experiment in which drivers navigated a simulated multi-lane highway environment in a fixed-base, medium-fidelity driving simulator. We then segmented the driver data into standardized units of time to facilitate an analysis of behavior before, during, and after a lane change. Results of this analysis showed that (1) drivers produced the expected sine-wave steering pattern except for a longer and flatter second peak as they straightened the vehicle; (2) drivers decelerated slightly before a pass lane change, accelerated soon after the lane change, and maintained the higher speed up until the onset of the return lane change; (3) drivers had their turn signals on only 50% of the time at lane-change onset, reaching a 90% rate only 1.5–2 s after onset; (4) drivers shifted their primary visual focus from the start lane to the destination lane immediately after the onset of the lane change. These results will serve as the basis for future development of a new integrated model of driver behavior. |
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