"Road debris" . "debris along the side of the road" . "Rocks and debris" . "road debris" . "Road debris" . "debris" . "debris covering the road" . "road hazards" . "mud and other debris" . "snow and ice" . . "obstacles" . "Debris on roadway" . "debris from roads and highways" . "debris in roadway" . . . "debris kicked up from the rear wheel" . "loose material" . "debris onto the road" . .