Every year thousands of people get hurt or die when they are crossing the road. Most of these people are old people and children. Old people often get hurt or die because they can’t see or hear very well. Children often get hurt or die because they are not careful. They forget to look and listen before they cross the road. How can we lower traffic accidents？First，（4）all of us must obey the traffic rules. For the drivers，they shouldn’t drive too fast. If they drive too fast，it will be very difficult to stop the cars in a very short time. For the pedestrians （行人），first