Which aspect of the incident scene is evaluated during a windshield size-up?

During a windshield size-up, the focus is on conducting a visual assessment of the scene, particularly regarding approaching traffic. This evaluation is crucial for ensuring the safety of the responders, victims, and bystanders at the incident site. By assessing traffic patterns and the volume of vehicles, responders can identify potential hazards posed by oncoming traffic and take appropriate measures to protect themselves and others.

This proactive approach helps in deciding where to position emergency vehicles and how to control the scene effectively, minimizing the risk of secondary accidents or injuries as responders begin their work. While other aspects, such as the type of services needed and details about victims, are important parts of overall incident management, they come into play after establishing a clear understanding of the immediate scene dynamics, which includes traffic conditions.