Magic Roundabout (Swindon) compromised safety. As a result, it is now planned to be converted back. Magic Roundabout (Swindon) The Magic Roundabout in Swindon, England, was constructed in 1972 and is a ring junction consisting of five mini-roundabouts arranged around a sixth central, anticlockwise roundabout. Located near the County Ground, home of Swindon Town F.C., its name comes from the popular children's television series "The Magic Roundabout". In 2009 it was voted the fourth scariest junction in Britain. The roundabout was constructed according to the design of Frank Blackmore, of the British Transport and Road Research Laboratory. Traffic flow around the larger, inner
Roundabout Devices. Roundabouts are generally not appropriate for placement on motorway or freeway mainlines because the purpose of such facilities is to provide for uninterrupted traffic flow. However, roundabouts are often used for the junction between the slip roads (ramps in North America) and the intersecting road. A single roundabout, grade separated from the mainlines, may be used to create a roundabout interchange. This type of junction is common in the UK and Ireland. Alternatively, separate roundabouts also may be used at the slip road intersections of a diamond interchange to create what often is referred to as a "dumbbell interchange",