Traffic police's assistant

As urban traffic accidents occur frequently, sometimes traffic policemen can not arrive at the scene quickly, which results in traffic congestion or the occurrence of secondary accidents. This Traffic police's assistant, which usually stops at the top of the traffic column, can quickly arrive at the scene after receiving an alarm, and communicate with the parties involved in the traffic accident through wireless positioning and real-time imaging technology, thus efficiently assist the traffic police solve the problems caused by the traffic accident.