Vehicle detection camera vs red light camera vs flock camera #flocksafety #traffic
The short version: A Traffic Guy video sorting vehicle detection, red light, and Flock cameras is a useful reminder that not all roadside cameras are equal — some watch traffic flow, some catch red-light runners, and some log every plate that passes.
Our Take
Credit to Traffic Guy for breaking down a distinction most drivers never think about: the loop detectors and sensors that just tell a signal "a car is here," the red light cameras that snap a photo when you blow a stop, and Flock Safety cameras that do something fundamentally different — they read and permanently log every license plate that passes, whether you've broken a law or not. Lumping these together as "traffic cameras" is exactly how ALPR systems have managed to spread into thousands of neighborhoods with so little public debate.
That's the real stakes here. A red light camera has a narrow, specific job tied to an actual violation. Flock's network is built to create a searchable history of where your car has been, shared across agencies and sometimes with outside parties, with retention windows and access rules that vary by jurisdiction and are rarely well understood by the residents paying for them. Videos like this one are helpful precisely because they get people looking closer at the hardware on their street poles instead of assuming it's all the same municipal traffic tech.
If this got you wondering what's actually watching your commute, check our camera map to see what's been documented near you, and visit our take-action page if you want to push back on your local government's use of these systems.
This is DeFlock The USA’s original commentary. The video above is the work of Traffic Guy, published on YouTube — full credit to the creator.