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城市路侧冗余信息对指路标志视觉干扰试验

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Keywords: 交通工程,指路标志,视觉干扰,城市道路,冗余信息

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Abstract:

城市道路路侧冗余信息对指路标志视认的干扰对行车安全极为不利。设计了不同信息量的城市道路指路标志牌,并与典型的路侧冗余信息组合设置;然后在大量室内模拟试验基础上,利用稳健估计理论与方法,分有目标路名、无目标路名2种情况,对单块指路标志、道路景观标志组合、小汽车标志组合、女明星标志组合、路名(地名)指路标志组合的视认时间、视认反应时间进行了对比研究,得到不同类型路侧冗余信息对指路标志的影响程度。结论路侧冗余信息影响程度从大到小顺序为路名(地名)标志、女明星广告、小汽车广告、道路景观。其中路名(地名)辅助信息、女明星广告干扰十分显著,在城市交通中应尽量避免;小汽车广告、道路景观干扰较小,可适当设置。

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