suspect. just not working. not working on a safety level, and it s not working on a revenue level. reporter: then there s those legal costs for the city. the city is dismissing your case, dismissing your case. reporter: in broward county, florida every single person that challenged their ticket has won. they didn t anticipate that people like myself would come to court fighting the cases and winning, and now they realize that the budget is potentially a big shortfall. ? victorville california they say the cameras are another overreach by the government. get rid it, period. get rid of all the cameras. reporter: even with the protests just this week in florida, police say the cameras improve driving habits. the proof? at this north miami intersection. it s reduced our traffic accidents by 60%, and therefore, it has also reduced fatalities.