近年来,在高速公路快速发展的新形势下,高速公路上由于能见度低造成的多车连环追尾相撞的重大事故屡有发生。该产品具有以下几大性能可以有效地减少 In recent years, under the new situation of the rapid development of the expressway, many major accidents caused by multi-car collision and rear-end collisions caused by low visibility have occurred frequently on the expressway. The product has the following major performance can be effectively reduced