Quote:
Originally Posted by golfing eagles
If you look up, you'll see cameras at all the major intersections on 466 and 466A. I have mixed emotions about them. Are they accurate? Do they catch the offender or tag the car that came just before or just after? What is their threshold for citing a driver? If drivers know they are there, it should fulfill its purpose of slowing traffic. But it just seems a little too much Big Brother/1984 for my taste.
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I think those are emergency vehicle sensors. When an emergency vehicle approaches, the driver can activate a signal that the sensor picks up to change the light to green for the vehicle. Speeds up response time.