Traffic policemen operate a drone to check alternate traffic on the Zhonghe viaduct in Hangzhou, East China's Zhejiang Province, Aug. 31, 2019.
Uav Squadron of Hangzhou Traffic Police Expressway Brigade is equipped with six police UAVs and has 19 uav pilots in total. The squadron has established 12 "air patrol areas", which are mainly used in expressway around the city, zhonghe Viaduct huanbei Interchange, Yongjin Interchange, Shangde Interchange and other sections. At present, the main task of the duty is the off-spot law enforcement and on-the-spot punishment of aerial linkage in the case of alternate passage.
