What is a critical step to ensure safety when arriving at an accident scene?

Positioning your vehicle safely is crucial for ensuring safety when arriving at an accident scene. This action helps to create a safe environment for both the individuals involved in the accident and for other road users. By placing your vehicle in a way that minimizes the risk of collisions, you can establish a barrier between the accident and oncoming traffic. This positioning ensures that emergency services can access the scene without obstruction and that the visibility of all parties involved is maximized.

Taking detailed notes or informing nearby pedestrians, while valuable in different contexts, do not provide immediate physical safety. Similarly, using emergency lights is important for visibility, but it must be coupled with proper vehicle positioning to be effective. Therefore, safely positioning your vehicle stands as the most critical step in safeguarding everyone present at the accident scene.