In this thread, things that really rustle your jimmies.

[TinCow]

We have highways with traffic lights on them

This automatically disqualifies you from any conversation about highway etiquette. (Though I will concede my country is almost as stupid for putting traffic lights on roundabouts.)

Perhaps you should hang up a punching bag in your car?

Physical violence is entirely inappropriate. I am perfectly content to express my distaste for my fellow human beings with verbiage and gesticulation alone.