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by Animats 2232 days ago
Traffic signal cameras for traffic light control are common. They used to be dumb monochrome analog cameras connected to simple "non-pavement object detected in box" processing units. There's been considerable mission creep since. Here's the promo video from Econolite's current product.[1] HTDV, WiFi, car, truck, bus, bicycle and pedestrian detection, connects to control center if the bandwidth is available.

CALTRANS has most of their highway cameras available from their web site.[2][3] CALTRANS has been at this since the 1980s, and the cameras are mostly somewhat old and low-rez.

[1] https://www.econolite.com/products/detection/autoscope-visio...

[2] http://cwwp2.dot.ca.gov/vm/streamlist.htm

[3] http://cwwp2.dot.ca.gov/vm/iframemap.htm