If you've driven on a Mississippi highway lately, chances are you've seen the signs. You know the ones. Lit up in bright orange, the quirky, often funny phrases cautioning drivers to pay attention ...

especially since they are seldom held accountable for the efficacy of their safety programs. The funny signs might not have worked, but they allowed DOT staff to look like they were doing ...

You know that funny, witty sign that sometimes blinks above the highway, promoting safety? It certainly caught your eye. But did it distract you from driving? US states have been using quirky ...