Traffic Cameras Failing to Prevent Accidents: D.C. drivers may hate them, but may also grudgingly accept their use in preventing serious accidents cause by red light running and speeding through city streets. But according to the Post, the city’s 45 traffic enforcement cameras may not even be doing that all that well. While generating over 500,000 tickets and $32 million in revenue over the last six years of their use, the cameras have thus…