That's a lot of tickets!
Any idea if the revenue is split with a third party that operates the system?
Rockwell International implements a lot of those "red-light camera" systems.
According to their contract, the are guaranteed a minimum revenue. That is why they are such a bad deal.
Initially, the revenue is there to pay Rockwell, and leave a tidy sum for the local government.
Then, as the number of "violations" goes down, the local government must make up for any shortfall in revenue by writing a check to Rockwell. In the end, the cameras end up costing the public more money than they generate, and also end up INCREASING THE NUMBER OF ACCIDENTS DUE TO REAR END COLLISIONS.
Read more:
http://www.washingtonpost.com/wp-dyn/content/article/2005/10/03/AR2005100301844.html
http://www.thenewspaper.com/news/03/314.asp