Magic Roundabout (Swindon) Junctions in the United Kingdom"; however, the roundabout provides a better throughput of traffic than other designs and has an excellent safety record, since traffic moves too slowly to do serious damage in the event of a collision. In 2010, the National Cooperative Highway Research Program concluded that the roundabout reduces injurious crashes by three quarters. The roundabout in Drove Bridge has not been the only Magic Roundabout in Swindon; the roundabout at Bruce Street Bridges was until recently a Magic Roundabout. It was converted into a conventional roundabout in 2016, but with many exceptions to highway code priorities, which
Britannia Roundabout the roundabout, splitting it into two smaller roundabouts. The project cost was estimated at $3.2 million, and involved the removal of a small number of trees from the nearby parkland. In April 2014, the new and upgraded "Britannia Roundabouts" came into operation. Britannia Roundabout The Britannia Roundabout is a roundabout intersection on the eastern side of the City Ring Route near the city centre of Adelaide. Before it was upgraded in 2014, many minor accidents had occurred over the years at this former traffic black spot. The five roads which join the intersection in clockwise order are Fullarton Road (to