The main way in which the organization of the US government reflect the ideas of Enlightenment philosopher Baron de Montesquieu is that it operates solely on the principle of popular sovereignty--meaning that people elect other people to make choices for them. The state serves them, not the other way around.
Exceeding the speed limit is a matter of civil law. The civil law encompasses private relations between the members of a community.
The source of this law is a combination between an statute and a regulation.
The purpose of the law is to protect peoples right to safety. This is a term established in article 3 of the Universal Declaration of Human Rights.
If this law did not exist, government officials would be failing in their duty to secure the right to safety of the citizens of this country. Citizens would be exposed to worsened conditions while being driving a car or as a pedestrian.
