In Russia, Don't Drink/Drive billboards are a bit more violent.
(click images via) For four days around Christmas, this bloody illegal guerrilla billboard warned motorists in Novgorod, "It could be your body." Note the Santa-hatted dummy is holding a steering wheel. I would have like to have seen more blood, a la this Kill Bill board in New Zealand. But still, a nice amateurish effort.
Here's six previous invasive 3-D billboards.