(click images) According to adme.ru, this was a real accident, not a stunt scene created by the advertiser. The incident occurred this past winter in the city of Tomsk. The copy translates roughly to "Speed must be reasonable." Looks like it could be legit—in which case, it's fucking hilarious (assuming the driver wasn't seriously injured)—but I'm skeptical.
Previously: bloody hilarious don't drink/drive Russian billboard.