Let's face it, if you're caught by this one, you've got to be a twat. 200 yds before speed limit, large blue sign saying "40mph Speed Limit Ahead" 100 yds before speed limit, another one. BIG 40 mph sign. 50 yds, smaller 40 mph sign 50 yds later, big light up flashing sign saying "You too fucking fast" (or something). 50 yds later, Gatso.