在整个交通运输过程中,除车辆、道路等以外,天气将是影响交通运输的最重要的因素;事实上有相当多的交通事故,是和雨、雪、雾、高温、大风和低温等不利天气相关联的。影响交通安全的天气因素有时是综合性的,如低温、大风、大雪同时出现。特别是在冬季、秋冬和冬春季节,恶劣天气时常引发交通事故、造成堵车甚至关闭高速公路、机场等现象。以下摘自有关国内外报道: In addition to vehicles, roads and the like, the weather will be the most important factor affecting traffic and transport throughout the entire transport cycle. In fact, a considerable number of traffic accidents are adverse to rain, snow, fog, heat, windy and low temperatures Weather related. Weather factors affecting traffic safety are sometimes complex, such as low temperature, high winds and heavy snowfalls. Especially in winter, autumn and winter and winter and spring, inclement weather often causes traffic accidents, causing traffic jams and even closing of expressways and airports. The following excerpt from the domestic and foreign reports: