According to Fisman and Miguel, the mimes had a noticeable impact on compliance with traffic laws. The mayor reported that traffic fatalities fell by more than 50 percent between 1993 and 2003.
From Bogota Colombia. The article on Mayor Mockus and his city policies that include mimes to make fun of jaywalkers and bad drivers, rewarding good cab drivers, and ladies night.
Many times when people act in their own self interest they make things worse for everybody else (bad drivers, litter bugs, and D’Uriner). By encouraging social norms of good behavior people have the incentive to do the right thing.
Now if only we could import some of those mimes to make fun of tourists standing on the left of the escalator of the metro.