Rating of pre-warning of highway traffic condition under snow and icy weather conditions
全国交通工程设施(公路)标准化技术委员会(SAC/TC 223)
本标准规定了冰雪天气公路通行条件预警分级级别及其划分方法。
本标准适用于高速公路、一级公路、二级公路针对冰雪天气对区域公路网运行的影响进行预警信息的发布。
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