What does a roundabout sign indicate?

Answer: B — You must yield to traffic in the roundabout

A roundabout sign indicates that you must yield to traffic already circulating within the roundabout. This is crucial for ensuring a smooth flow of traffic and minimizing the risk of collisions. When approaching a roundabout, drivers should slow down and be prepared to stop if necessary, allowing vehicles that are already in the roundabout to pass. Understanding this traffic sign is essential for safe navigation in roundabouts, as failing to yield can lead to accidents. The design of roundabouts aims to improve traffic efficiency and reduce the chances of severe crashes, which often occur at traditional intersections. By yielding to the traffic within the roundabout, drivers can contribute to a safer, more orderly flow of vehicles.