Concept:Traffic regulations are laws meant to promote safety and order on the roads for everyone.
Explanation:These laws apply to all road users, including drivers, pedestrians, and cyclists.
Their main purpose is to guide road users on safety practices and prevent accidents.
Traffic regulations do not mainly focus only on instructing drivers about traffic signs.
They also do not primarily exist to teach road safety in schools or to establish traffic control agencies.
Therefore, the best description is that they guide all road users on safety practices.
Answer:A. guide all road users on safety practices