I'm not sure that slowing the cars down would help more. Its much easier to drive literally right behind a car at a slower speed than a higher speed. Afaik, th

I'm not sure that slowing the cars down would help more. Its much easier to drive literally right behind a car at a slower speed than a higher speed. Afaik, the general trend is to put a stoplight going into the roundabout for the few directions that cause a problem so that the "side streets" get a chance to go.