Quote Originally Posted by blackal View Post
They do not time between peage gates- that’s a pub tale.
Not quite a pub tale I believe.
One gendarmerie tried it on, it went to court and the judge decided that an infraction had to be witnessed, not deducted from time stamps.

That was about 40 years ago so it is possible that the law was changed as technology means clocking may be considered more indisputable (satellite?); nevertheless you are correct that as far as I know they do not need to use this fairly basic system: average speed cameras and speed guns are much more efficient as they are be placed in places where speeding is more likely.