I have to give credit to NYC area drivers...even if they don't know that the signal exist they do know how to smoothly drive in heavy traffic. Theres very little gas and brake slamming, everyone just knows how to predict well and pretty much only use the gas pedal...as it should be.
With that being said the worst case of road rage i've ever seen was in Queens. I was taking a right hand turn at a stop sign but the traffic was moving too fast to pull out and because of parked cars it was hard to see very far back so I just waited for 40 seconds or so for an opening. (There was a signal to the right of me that had just turned red) Well i'm about to pull out but apparantly i'm taking too long to do it or something.....the guy who had just pulled up behind me jumps the curb drives on the sidewalk, between two parking meters and right out into traffic...all while flipping me off of course.
The best part is that about 3 seconds after this I very calmly and safely pulled out...and stoppe dright behind him