From the formal characteristics of legal rules, it can be divided into normative rules and standard rules. Normative rules refer to rules that are clear, positive and specific and directly applicable. Standard rules refer to rules that are flexible in part or in full of legal rules (fact state, rights, obligations, consequences, etc.) and must be interpreted to be usable and appropriately planted.
According to the above definition, which of the following is a normative rule?
This street is closed between 6:00 a.m. and 6:00 p.m.