Yeah, I've had this idea of designing a system that my local PD can monitor and enforce traffic violations via camera. I want the local government to have authority over it. I, unfortunately, am unable to do that because I have no idea what I'm doing. I'm definitely on board with it not being in the hands of anyone private. Either that, or a private company that builds the system for a municipality and then cedes control of the devices to the municipality, but hats obviously got some potential issues associated with it.
And I'm not some angel on the road, but in residential areas I go below the limit. Maybe having kids did it to me, but the thought of running over someone, especially a child, is enough of a reason for me to drive slowly and carefully.
Now, on the highway, I admittedly go above the limit. But that's a different story, IMO.