A modern roundabout is an intersection with a circulatory roadway at which the vehicle speed is low. and the traffic is continuous and circulating in one direction around the central island towards the exits at the approach legs. Modern roundabout design is an iterative process that is composed of the following steps: (1) the identification of the roundabout as the optimal traffic sol... https://www.nacrack.com/huge-sale-Moondrop-Quarks-quick-choice/