The city with no traffic lights
It may sound strange, but it's real. San Martín de los Andes - Argentina, is a small city located is the south of teh country, has no traffic lights. It is a turistic destination specially in winter for practicing sports, and there is always turists and local driving along it. So, how would it be possible not to have traffic lights? - easy, respect is the clue. Everybody is awared that yhere is no red green lights and you have to pay speciall attention to it. Yield to pedestrians is a must in this place, respect speed limits (pretty slow of course) has become an everyday activity. In this way, everybody lives in harmony.