Which aspect is NOT mentioned as part of Level II staging requirements?

The correct answer emphasizes that the requirement about the use of emergency lights at all times is not a specified part of the Level II staging requirements. In the context of Level II staging, which addresses the management and setup of resources at an incident, the focus is typically on issues like maintaining a clear operational area, ensuring readiness for deployment, and having multiple units ready to respond effectively to incidents.

While the use of emergency lights may be common practice in various emergency scenarios, it is related to operational safety and visibility rather than directly tied to the particular requirements of staging level protocols. Therefore, this choice does not fit within the established criteria for Level II staging.

In contrast, aspects such as maintaining a free space from civilian traffic, ensuring readiness to deploy, and having multiple units coordinating at the scene are critical for efficient incident management, helping to streamline operations and enhance response effectiveness. These elements are essential for ensuring that resources are positioned correctly and are prepared to respond when necessary.