Single Lane Roundabouts the only answer.
Having lived in Europe for over four decades I have seen, during the last ten years, the popularity of roundabouts increase significantly, I suspect because it cuts down on energy costs associated with traffic lights, etc...
In Germany ( unlike in France where the multi-lane roundabouts are a nightmare) I have yet to see a multiple lane roundabout being built. They function very well following the rule that cars on the roundabout have right of way, those entering must yield, and the car exiting the roundabout must signal his exit. Functions very well! I recently drove the roundabouts in TV and can't believe what a disorganized mess it was. Why would anyone want an inner lane, serves no purpose that I can see except to confuse drivers entering and exiting. Maybe some creative re-working of the painted traffic lines in the roundabout could reduce the flow to single lane and eliminate the confusion and danger. Just my thoughts on the "every man for himself" situation we seem to be enduring now.
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