Review on Visibility Monitoring in Expressway under Foggy Condition

Author:

Zhu Long Biao1,Wang Jie1,Huang Xi1,Wang Heng1,Liu Peng1

Affiliation:

1. Nantong University

Abstract

Visibility monitoring under foggy condition is very essential to traffic safety on expressway. The definition and influence factor of visibility are summarized. The main advantages and disadvantages of three common methods- transmission method, scattering method, digital imaging method and related visibility meters are analyzed and compared here. The domestic and foreign status and trends of visibility research on foggy expressway are mainly introduced from thick fog forecast, warning and monitoring system, visibility detection device. Aiming at the existing problems of visibility monitoring in expressway, some suggestions for improvement are put forward at last.

Publisher

Trans Tech Publications, Ltd.

Reference14 articles.

1. China Meteorological Bureau. The third parts of ground meteorological observation criterion: Measurement of meteorological visibility[M]. Chinese Standard Press, (2007).

2. Fu Gang, Li Xiao-lan, Wei Na. Review on the Atmospheric Visibility Research[J]. Periodical of Ocean University of China, 2009, 05: 855-862.

3. Yuan Cheng-song, Bian Guang-hui, Feng Ming-xue. Monitoring and Forecasting of Low Visibility on Highways[J]. Meteorological Monthly, 2003, 11: 36-40.

4. Hu Si-tao, Zhu Yan-ru. Study on the influence mechanism of agglomerate fog on expressway traffic safety[J]. Journal of China & Foreign Highway, 2013, 02: 290-292.

5. Xing Xiang-nan, Cui Yan-mei, Zhang Fu-gen. Summary of Present Situation and Development Trend of Visibility Measurement Technology[J]. Metrology & Measurement Technology, 2010, 05: 15-20.

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