Which leads back to: Why is there a roundabout in the first place? Huuuge roundabouts with traffic lights should really be good old-fashioned crossroads. Those

Which leads back to: Why is there a roundabout in the first place? Huuuge roundabouts with traffic lights should really be good old-fashioned crossroads. Those take less space and work fine. Roundabouts tend to be a better solution _if you don't have the constant flow of heavy traffic_. I agree with the gp: Either a roundabout xor traffic lights.