I suppose I'll chip in and say that in Queensland, Australia all speed cameras are "mobile" i.e. they park a car/van/4x4 on the side of the road.

Here the signs are *after* the camera. "Speed Camera In Use". WTF is the point of that?

In NSW there are fixed cameras and the signs before them but not in Queensland. Not sure about the other states.

And my most reecent ticket was 8 points in one hit making 14 points in about 2 years resulting in a 6 month suspension Been driving again for a month now. I've learnt a little but now spend more time watching the speedo than the road sometimes. That's having an M3 for you