Transport Department (TD) uses UAS for traffic monitoring and traffic survey purpose. In the case of traffic monitoring, UAS would supplement the CCTVs and traffic detectors installed along strategic roads and enable TD to obtain real-time area-wide traffic conditions for efficient handling of traffic incidents. For traffic surveys, TD uses video analytics software to extract traffic volumes, vehicle types and other information from the videos taken by the UAS. Such information is necessary for TD to assess the traffic conditions of road and junctions and to formulate traffic improvement schemes.
In using the UAS, we emphasize on safety and protection of privacy. For safety, we follow the guidelines of the Civil Aviation Department's General Safety Guidelines for Flying UAS. The key measures to protect privacy are: