Most of the time the M25 is so traffic choked that there's fat chance of you being able to speed even if you wanted to. But it must be clear some of the time, as it is home to one of the busiest speed cameras in Britain. The camera in question will be one plenty of Croydon drivers will regularly motor past - so make sure it doesn't catch you out. The 10 most profitable speed cameras in the country netted an estimated £3.2 million over 12 months, according to figures obtained by an...
