this post was submitted on 01 Mar 2025
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I would be happy for sensors at traffic lights that detect whether cars are there or not. I don't consider that to be meaningful surveillance.
But they already have sensors. That‘s not what China differentiates from the rest here.
Did you read the article? Standard traffic cameras or sensors are all you need to implement this. And yes, most places have the technology already in place to do most of it. You just need to add the part to network them and control the lights.