The problem is that speed cameras are a self-funding and automatic way of addressing one small factor of road safety. It sends out all the wrong signals though that if you drive under the limit, you are driving safely no matter what else you are doing. The most important things in driving are concentration and paying attention, and that's impossible to enforce by automatic machine, only by experienced police officers.
Unfortunately the rise of speed cameras has led to a big decrease in the number of dedicated traffic police
