Study on drivers' compliance with variable speed limit signs under fog weather condition

doi:10.16265/j.cnki.issn1003-3033.2018.02.003

Abstract

Abstract: To investigate the drivers' compliance with VSL signs under a reduced visibility condition, a survey was conducted into 556 drivers by means of questionnaire. The method of exploratory factor analysis was used to identify the main factors affecting drivers' compliance with VSL instructions, including driver personal factors, driver's satisfaction level at the signs etc. A structure equation model was built for the relationships between these factors and drivers' compliance. The results reveal that the SEM model effective, that drivers' satisfactions level at the signs is the most significant factor positively affecting drivers' compliance with VSL instructions under fog weather, that age and driving experience have a positively significant effect on drivers' compliance, and that driver's compliance would be higher when they drive on a two-land road, while the effect of road type is not significant under an improved visibility condition.

Key words: fog weather, reduced visibility, variable speed limit (VSL), degree of compliance, exploratory factor analysis, structure equation model (SEM)

CLC Number:

X951

WEN Huiying, ZHU Dianchen, QI Weiwei, FENG Zhongxiang. Study on drivers' compliance with variable speed limit signs under fog weather condition[J]. China Safety Science Journal, 2018, 28(2): 15-20.

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