Emergency accidents UAV / The concept of emergency guidance unmanned aerial

In the event of an accident，People often in a flurry of alarm，like a big car accident, a natural disaster, a terrorist attack.The police car will be stuck on the road, and the later vehicles don't know the situation.Emergency Accidents Guidance UAV，which is normally located in the rear of a police car.When the accident happened，it will fly to the accident pointI and open the arms, than guide the vehicles and pedestrians to leave.It can also stay in the nearby streets to prevent vehicles from entering the area of the accident.