The thing is, speed is easily measured and ticketed. Max revenue for a minimum of work.
What I wonder is why fines are always such wierd amounts. Why do politicians pick something like $67.42 instead of $65 or $70?
Also note, in CA there is a "penalty assessment" added to fines on the order of 200, maybe 250%. So, a $100 fine really costs you $300 or $350.
