Seat belt?
The kids were walking on the side of the road.
I see why your name is quick shot. You comment before reading the story. The reason the children weren’t seatbelted in was because they were walking on the side of the road. Of course, at the rate we are going, persons under the age of 18 will soon be required to be seatbelted while they walk down the sidewalk but we aren’t quite there yet.