Information Threshold for Guide Signs at Entrances and Exits of Ring Expressway
YANG Fan, WANG Jian-jun, MA Chi-cheng, WANG Sai, WANG Zhen-guo
China Journal of Highway and Transport ›› 2021, Vol. 34 ›› Issue (4) : 251-260.
Information Threshold for Guide Signs at Entrances and Exits of Ring Expressway
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