Effects on driving behavior of congestion information and of scale of in-vehicle navigation systems |
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| Affiliation: | 1. Department of Industrial Engineering and Management, Ming Hsin University of Science and Technology, Hsinchu 304, Taiwan, ROC;2. Department of Industrial Engineering and Engineering Management, National Tsing Hua University, Hsinchu 300, Taiwan, ROC;1. Department of Physics and Astrophysics, University of Delhi, Delhi110007, India;2. Solid State Physics Laboratory, DRDO, Lucknow Road, Timarpur, Delhi110054, India;1. Key Laboratory of Automotive Transportation Safety Techniques of Ministry of Transport, Chang’an University, Xi’an, Shanxi, China;2. Center for Urban Transportation Research, University of South Florida, Faculty Research Associate, United States;3. Cummins Engine Co., Ltd, XiangYang, Hubei, China;4. Sichuan College Key Laboratory of Road Traffic Safety, Sichuan Vocational and Technical College of Communications, Chengdu, Sichuan, China;1. AUDI AG, D-85045 Ingolstadt, Germany;2. Department of Psychology, Albert-Ludwigs-University of Freiburg, Engelbergerstraße 41, D-79085 Freiburg, Germany;3. Department of Psychology, Catholic University of Eichstätt-Ingolstadt, Ostenstraße 25, D-85072 Eichstätt, Germany;1. Catholic University of the Sacred Heart, Italy;2. Center for Driving Evaluation, Education, and Research, Central Michigan University, United States;3. Università Cattolica del Sacro Cuore, Italy;1. AUDI AG, D-85045 Ingolstadt, Germany;2. Department of Psychology, Catholic University of Eichstätt-Ingolstadt, Ostenstraße 25, D-85072 Eichstätt, Germany |
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| Abstract: | ![]()
The purpose of this research was to compare the usage of a traditional paper map and electronic route maps during driving, and to consider the effects of congestion information and map scale sizes on driving performance, workload and subjective feelings. Experiments were conducted in desktop virtual driving environments with a 17-in. color monitor simulating driving environments and a 14-in. color monitor showing different kinds of navigation systems. A total of 20 undergraduate students of National Tsing Hua University were paid to participate in the Experiment I. The criteria for driving performance were trip duration, driving speed and number of navigation errors. Heart rate was measured as an index for workload. The 5-point Likert-type questionnaire was used to reflect the perceived nervousness, fatigue and task difficulty. Results indicated that the performance difference between a paper map and electronic route maps depended on the design characteristics of electronic route maps. Comparisons among four electronic maps revealed two significant main effects of congestion information and scale sizes on trip duration. Besides, it seemed that the availability of congestion information was useful for reducing navigation errors. Neither statistically significant main effects nor interaction was found on subjective feelings and driving speed. Another 18 subjects were used in the Experiment II to determine the optimum map scale size. Finally, the implications of the findings may provide suggestions on designing safer and more efficient in-vehicle navigation systems. |
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