What should you do when approaching a roundabout?

When approaching a roundabout, yielding to traffic that is already in the roundabout is essential for ensuring smooth and safe navigation. Roundabouts are designed to facilitate continuous flow and reduce the likelihood of collisions by allowing vehicles to travel in one direction around a central island. When you yield to the traffic already circulating, you help maintain this flow and give priority to those who are already within the roundabout, reducing the potential for accidents and ensuring that all vehicles can enter safely.

Speeding up to enter quickly may seem advantageous but can lead to dangerous situations, as you'll be interacting with vehicles that already have the right of way. Making a U-turn is inappropriate because roundabouts are not meant for such maneuvers; they are designed for vehicles to navigate around without reversing direction constantly. Stopping completely before entering can cause unexpected delays and disrupt the flow of traffic, especially if the roundabout has clear gaps in traffic that would allow for safe entry. Hence, yielding is the most appropriate and safe action to take when approaching a roundabout.