Is this a matter of constitutional, criminal, civil, or military law?
Answer: it would be considered a civil infraction. The penalty for a civil traffic infraction is usually a fine and costs for speeding.
Is the source of the law a statute, regulation, case law, or combination?
Answer: it would be considered a law of statue. A civil infraction is a non criminal violation of a rule, ordinance, or statue.
Determine the purpose of the law. Is the law intended to protect people's safety or people's rights?
Answer: Road safety is everyone's responsibility and the law is intended to protect people's safety and their rights at the same time.
What could happen if the law did not exist?
Answer: Without laws, there would be no consistency or standards to interact with, people would be lawless, we as a society would never be safe.
I hope this helps- Good Luck.