Some of the designs are advantageous even for speed and convenience. Modern roundabouts reduce intersection fatalities by 90% and increase throughput in most tr

Some of the designs are advantageous even for speed and convenience. Modern roundabouts reduce intersection fatalities by 90% and increase throughput in most traffic conditions. They were much maligned as complicated and hard to understand when they started being built in the USA, but the rate of their construction is going up and eventually they will probably be as common in the USA as they are in Europe.