Move over!

Driving gets more annoying as I get older. I used to really enjoy hitting the road but these days all I notice is the increasing number of douchebags in my way. Maybe this guy and his little sign have it all figured out. I'm not sure a sign reminding people to get out of my lane will really work for me though. I get more annoyed with people driving under the speed limit, cutting me off or not paying attention to the traffic laws. When this happens my first response is generally to honk my horn but it doesn't really seem to do anything other than give me an extreme sense of gratification.. Maybe I need something a little more general on my window like "Learn to drive!" or simply "Get off the road!" Any thoughts?