We do have them, but it's so expensive that we only use them on the biggest and ... | Hacker News

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		estimator7292 6 days ago \| parent \| context \| favorite \| on: Autonomous cars, drones cheerfully obey prompt inj... We do have them, but it's so expensive that we only use them on the biggest and busiest intersections. We also switched to LED several decades ago.

Symbiote 6 days ago [–]

Even the small bicycle and pedestrian crossing next to my office in Copenhagen has vehicle (bicycle) sensors.

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