Going back to the French system, it is a lot different than the UK.
Firstly they do have cameras, and you get the penalty in the post if your over the limit. But no points on your leicence.
If your stopped in France they simply apply a calcualtion to the speed your caught doing, so the further over the limit the more you going to pay. So if your 100ks over the limit its 1000Euro to clear your name.
If you cannot pay your car is taken as payment!
They have a great way of stopping you to, on motorways they setup super stealthy traps, record your speed, they then pull you at the next toll booth. Thing is they are so polite and respectful, they dont see you as someone breaking the law, just someone paying the penalty for the speed you were doing. Go a coffee from them when I was cought
M