路面上的散落物引发交通事故是近年影响交通安全较为突出的问题。仅浙江省临海市境内1998年下半年以来，就发生了近10起车辆碾压、碰撞上路面散落物后，控制不住方向而引发的交通事故，致使6人死亡，多辆汽车报废，经济损失惨重。例如：1999年3月17日晚，浙江省三门县蛟头村章 Traffic accidents caused by loose objects on the road surface have become prominent issues affecting traffic safety in recent years. Only Linhai City, Zhejiang Province, since the second half of 1998, there have been nearly 10 vehicles rolling, collision after the road surface litter, uncontrollable direction caused by traffic accidents, resulting in 6 deaths, many cars scrapped, economy lost heavily. For example: the evening of March 17, 1999, Jianshe village, Sanmen County, Zhejiang Province