I'm surprised that they've been there so long... I saw these on the overpass for years before they started hanging off the back of police cars.
Why would they only have this one set? I'd expect to see more up near Albany or down in NYC etc.
Radarrob; what makes you say they are Automatic License Plate Recognition cameras (I agree that is probably what they are, I am just wondering if you are saying that because you recognize the shape, the operating description, or you happen to know for some other reason)?
PS I was looking around online and found this .Pdf from a presentation, which gives some interesting perspective on the devices:
http://www.otdmug.org/media/1488/alpr%20camera.pdf
looks like potential countermeasures could be;
-Putting your plates in an unconventional location (too high or too low) since the cameras are aimed to where the license plates are on average.
-Putting a hitch ball on your bumper
-adding an extra plate (novelty plate) to your vehicle
-Carrying a trailer with another vehicle (with a plate) on it
Most of these could be figured out by human reads after the fact, but it would require extra work, which they may not want to do.
I figure these cameras are here to help with Amber alerts and stuff like that, so it's probably for a good cause...
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