Our society is due to the incorporation of the human variety, both good and bad. Cohabitation therefore necessary to lay down rules or laws. So that humans can live together peacefully settled. A simple example of the Law in Society is traffic regulation; there is lots of car traffic on the road. Into the role of traffic law is Tool to control road users to follow. The traffic rules will tell us what to do and what should not do. Traffic signs and road markings. Specifications about the speed of the car. Driving through the conjunction junction or roundabout.