The US is only backward in cars, mobile phones and domestic appliances

I'd like to add road signs to that list.

[edit] I worked out what is wrong with US road signs the other day. The problem is that most of the signs seem to tell you where you are, as opposed to giving directions on how to get to other more distant places. Oh, and there is never enough warning before freeway exits (presumably because the people putting up the signs still think people are travelling at 50mph, rather than 70...