厂区干道的路面要求中,有单向行驶标志的主干道宽度不小于()A:3mB:5mC:7mD:10m

作者: rantiku 人气: - 评论: 0
问题 厂区干道的路面要求中,有单向行驶标志的主干道宽度不小于()
选项 A:3m B:5m C:7m D:10m
答案 A
解析 厂区干道车辆双向行驶的干道宽度不小于5m,有单向行驶标志的主干道宽度不小于3m。进入厂区门口,危险地段需设置限速限高牌、指示牌和警示牌。

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