The cameras are mounted above roadways on gantry's or overpasses, and they claim to be able to work in all lighting and weather conditions regardless of the veh

The cameras are mounted above roadways on gantry's or overpasses, and they claim to be able to work in all lighting and weather conditions regardless of the vehicle's speed. My guess is that they aim to identify non-sanctioned actions. They claim to use some sort of machine learning in addition to human verification. I have no direct experience with them. These are simply the claims made by the authorities when they were trialed.