今年以来,一些地方相继发生高速公路多车相撞事故,造成重大人员伤亡和财产损失。经调查分析发现,多车相撞事故主要原因:一是驾驶人违反交通法规。有的驾驶人在雨雪、雾霾恶劣天气超速行驶、未保持安全车距,遇前车减速、停车、发生交通事故等情况时,发生追撞事故。在能见度不足50米的情况下,没有就近驶离高速公路,而是在应急车道甚至行车道停车等待,引发交通事故。二是恶劣天气预警不及时。有的地区未与 Since the beginning of this year, some places have successively encountered the accident of multi-car collision on the expressway, causing heavy casualties and property losses. After investigation and analysis found that the main reason for multi-car collision accident: First, the driver violated traffic laws and regulations. Some drivers in the rain and snow, haze and bad weather speeding, did not maintain a safe distance, in case of deceleration, parking, traffic accidents, etc., the occurrence of a collision accident. In the case of visibility of less than 50 meters, there is no near the freeway, but waiting in the emergency lane or parking lane, causing traffic accidents. Second, bad weather warning is not timely. Some areas are not with