1) younger drivers 2) male drivers 3) intelligent drivers that think rules don't apply to them (see: HACKER news) 4) affluent drivers, a lot of the BMW crowd

1) younger drivers 2) male drivers 3) intelligent drivers that think rules don't apply to them (see: HACKER news) 4) affluent drivers, a lot of the BMW crowd 5) single drivers (if you have a kid, you slow down in general)