[1] Wu Yiping, Zhao Xiaohua, Rong Jian, Ma Jianming, et al. Influence analysis of chevron alignment signson drivers’ speed choices at horizontal curves on highways [J]. Journal of Southeast University (English Edition), 2015, 31 (3): 412-417. [doi:10.3969/j.issn.1003-7985.2015.03.020]

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Influence analysis of chevron alignment signson drivers’ speed choices at horizontal curves on highways()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

31

Issue:

2015 3

Page:

412-417

Research Field:

Traffic and Transportation Engineering

Publishing date:

2015-09-20

Info

Title:

Influence analysis of chevron alignment signson drivers’ speed choices at horizontal curves on highways

Author(s):

Wu Yiping¹;  Zhao Xiaohua¹;  Rong Jian¹;  Ma Jianming²

¹Beijing Key Laboratory of Traffic Engineering, Beijing University of Technology, Beijing 100124, China
²Texas Department of Transportation, Austin, TX 78750-2636, USA

Keywords:

chevron alignment sign;  driving simulator experiment;  speed;  horizontal curves

PACS:

U491.25

DOI:

10.3969/j.issn.1003-7985.2015.03.020

Abstract:

Using a driving simulator, the effects of Chinese chevrons on drivers’ actual and perceived safe speeds at horizontal curves on two-lane rural highways are tested. Twelve horizontal curves with different roadway geometries are designed and used as the simulated scenarios. The results show that, regardless of the curve radius, chevrons at horizontal curves provide advance warning and speed control for vehicles on the nearside of chevrons. Besides, chevrons can be used as an addition to speed limit signs in preventing excessive speed at horizontal curves and, therefore, can contribute to a reduction in run-off-road crashes. Moreover, Chinese chevrons can also serve to provide an improved sense of safety while driving around sharp curves. These study results lay a foundation for setting Chinese chevrons more reasonably.

References:

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Memo

Memo:

Biographies: Wu Yiping(1990—), male, graduate; Zhao Xiaohua(corresponding author), female, doctor, professor, zhaoxiaohua@bjut.edu.cn.
Foundation item: The National Natural Science Foundation of China(No.51108011).
Citation: Wu Yiping, Zhao Xiaohua, Rong Jian, et al. Influence analysis of chevron alignment signs on drivers’ speed choices at horizontal curves on highways[J].Journal of Southeast University(English Edition), 2015, 31(3):412-417.[doi:10.3969/j.issn.1003-7985.2015.03.020]

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