How fast should traffic be traveling through roundabouts?

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Maintaining a moderate, steady speed through a roundabout is essential for safety and smooth traffic flow. The goal is slow enough to judge gaps and yield to vehicles already circulating, but fast enough to keep moving without stopping. If you go too slowly, backups form and other drivers may not expect it; if you go too fast, you have less time to observe other vehicles and pedestrians and to react—increasing the chance of a collision. A balanced pace lets you merge confidently, travel through the circle smoothly, and exit safely.