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Originally Posted by Dominicwasalreadytaken
How much usable land does it take up compared to an average intersection? Honest question, I don't know. Could you fit four houses? 2? 1? Keep in mind the fact that the road's Right Of Way is significantly larger than the actual road itself. Would the traffic circle really take up much sellable land?
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It depends on the size of the traffic circle. For example, a single lane roundabout in a residential area may take up 2-3 times as much space as a small signalized or stop-controlled intersection. However, if a subdivision is initially designed with roundabouts, developers can fit them in without giving up any lots.
Size becomes an issue if you are trying to convert an intersection to a roundabout.