When is it appropriate to enforce a citation for a traffic violation?

Enforcing a citation for a traffic violation is appropriate when the officer believes it's necessary to uphold the law and ensure public safety. This could involve various factors, such as the severity of the violation, the impact on road safety, and the intent to deter further violations. An officer uses their discretion and training to assess the situation; if they determine that issuing a citation is warranted, they have the authority to do so.

The context also indicates that the police officer’s assessment is crucial. In many situations, minor infractions that might not seem significant can lead to dangerous situations if left unaddressed. This aligns with the officer's role in maintaining law and order on the roads.

The other options suggest limited circumstances for enforcement. For example, citing only during major accidents fails to recognize the need for accountability for minor violations that can lead to accidents over time. Waiting for a second officer to arrive before enforcing a citation undermines an officer’s ability to act independently and promptly. Lastly, restricting enforcement solely to major violations does not cover the necessity of addressing lesser violations that can cumulatively affect traffic safety.