What should you do if you approach a roundabout?

When approaching a roundabout, yielding to traffic already in the roundabout is crucial for maintaining a safe and efficient flow of vehicles. This practice ensures that you give the right of way to drivers who are already circulating through the roundabout, which helps prevent accidents and reduces confusion among drivers.

This yields also contributes to the smooth operation of the roundabout, allowing vehicles within it to continue moving without unnecessary stops. Understanding the priority of traffic in roundabouts is an essential part of safe driving practices, as it minimizes the chances of collision while also keeping the roundabout functioning efficiently.

In contrast, entering without stopping could lead to collisions with vehicles already in the roundabout. Always turning left is not applicable, as some roundabouts require drivers to take different actions depending on their intended exit. Lastly, signaling right to exit is important but only necessary when you are actually preparing to leave the roundabout; it is not the primary action you take when initially approaching the roundabout. Therefore, yielding is the most critical action to take upon approach.