I see them everywhere in Metro Atlanta. You can tell because there’s what looks ... | Hacker News

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		itsmartapuntocm 3 months ago \| parent \| context \| favorite \| on: Gemini 2.5 Computer Use model I see them everywhere in Metro Atlanta. You can tell because there’s what looks like a little camera above each direction facing traffic light.

mh- 3 months ago [–]

If you're talking about the ones I think you are, those are preemption signal devices [0] for emergency vehicles.

[0]: https://ops.fhwa.dot.gov/publications/fhwahop08024/chapter9....

itsmartapuntocm 3 months ago | [–]

No these aren’t optical sensors like those, they’re full blown cameras.

Cobb County at least on their website says they use camera sensors as well as buried induction loops.

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