快速路出口匝道衔接段交通特性与安全分析
陈永恒,吴场建,白乔文,熊帅,李婉宁,李浩楠

Traffic characteristics and safety analysis of expressway off-ramp junction
Yong-heng CHEN,Chang-jian WU,Qiao-wen BAI,Shuai XIONG,Wan-ning LI,Hao-nan LI
图 8 车头时距分布箱线图
Fig.8 Box chart of time headway distribution