Dallas, You're Full of (Road) Rage
The survey was done via phone interviews with folks living in 25 major U.S. cities. And among the ya-think things that piss 'em off: others drivers talking on their cells, tailgating, driving too fast and eating or texting whilst behind the wheel.
Update: Also out today is Allstate Corporation's survey of Texas teen drivers -- 52 percent of whom say they've driven after drinking alcohol (or with a driver who'd had a pop). And "88% say they text message or talk on their cell phones while driving."