Conspicuity research on the highway roadside objects: A simulator study

Xuemei Chen, Zhonghua Wei, Xia Zhao*, Mingyang Hao, Tongyang Zhang

*此作品的通讯作者

科研成果: 期刊稿件文章同行评审

3 引用 (Scopus)

摘要

In a monotonous travelling environment, the single-vehicle run-off-roadside accidents occur easily. The injuries and fatalities caused by those accidents are significant components of the annual road casualties. The causation is the complex interaction of the visual effects on the roadside objects' conspicuity. So the conspicuity enhancement needs to be considered in the roadside objects design to provide a temporary restoration of alertness and vigilance to drivers. Factors contributing to the conspicuity of the roadside objects were analyzed in this paper. A driving simulator study was conducted in order to extrapolate the relationship between the legibility distances and the objects and to quantify the conspicuity of the roadside objects different in basic features. The conclusions of this paper were firstly, a significant correlation existed between the mean legibility distance and the object's size. The mean legibility distance was in a significant exponential proportion to the object's size. Secondly, the triangle's legibility was better than that of the rectangle and round contours. Only when the roadside object was combined with the suitable contour and size did the best visual quality come. To some extent, the conclusions could provide theoretical tools and strategies to optimize the dimensional design of the roadside objects in order to maintain the roadside safety.

源语言英语
文章编号864791
期刊Discrete Dynamics in Nature and Society
2014
DOI
出版状态已出版 - 2014

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Chen, X., Wei, Z., Zhao, X., Hao, M., & Zhang, T. (2014). Conspicuity research on the highway roadside objects: A simulator study. Discrete Dynamics in Nature and Society, 2014, 文章 864791. https://doi.org/10.1155/2014/864791