Can a roundabout handle the same traffic volume as a signalized intersection?

Roundabouts are designed to keep traffic flowing around the intersection continuously. However, most intersections with a significant amount of traffic volume will still utilize traffic signals due to the need for more than two lanes.

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1. Why are roundabouts being utilized more at intersections?
2. How is the size of a roundabout determined?
3. Can a roundabout handle the same traffic volume as a signalized intersection?
4. GENERAL - Why is there a negative perception of roundabouts?
5. GENERAL - What is a mini-roundabout?
6. MULTILANE - For multilane roundabouts, how do I know the proper lane for the direction I wish to travel?
7. MULTILANE - If two vehicles side-by-side approach a multilane roundabout at the same time, which motorist has the right-of-way?
8. SAFETY - Are roundabouts safe for pedestrians?
9. SAFETY - What about bicyclists? Is it safe for them?
10. SAFETY - Are roundabouts more difficult for inexperienced drivers to maneuver through?
11. SAFETY - If roundabouts are so safe, why aren't they used at every intersection?
12. WHAT TO DO IF an emergency vehicle is entering a roundabout?
13. WHAT TO DO IF it's my first time driving at a roundabout?
14. WHAT TO DO IF a large truck enters the roundabout?