Perverse Incentives

I'm reading, Fooling Houdini, by Alex Stone.  This book is outstanding.  In the book, the following fact is asserted:

On average, a single citation will drive up your premiums by $900 over the course of three years.  According to one estimate, auto insurers accrue an extra $37 billion annually from speeding tickets.  No wonder Geico used to donate radar guns to police departments.