 It only takes a second for a sideways glance to become a gesture, a gesture to become shouting and then violence at 70 miles per hour. You also have the heat that's going on, says Morgan Dean of AAA. And when hot weather leads to hot tempers on the road, you don't know how far they're willing to go because they're angry. You don't know what kind of weapon they have with them. Best advice for dealing with road ragers, he says. If they're yelling or screaming at you, eyes ahead, just stay focused. Don't even engage on them.