Although I am absolutely opposed to this form of surveillance, I find that this statement smacks of hyperbole. 3000 per minute? Even on the NJ Turnpike where there are 6 lanes in each direction there is no way that 3000 cars are passing one camera every minute. That is over 8 vehicles in each of 6 lanes passing the camera each second. What they are capable of and what is realistic are very different.
I had a special lens on my lic. plate that was supposed to block photos, didn’t work. Even though, you could look at it from an angle and it would blur out the numbers, somehow the toll camera read it.