Magic Roundabout (Hemel Hempstead) Magic Roundabout (Hemel Hempstead) The "Magic Roundabout" in Hemel Hempstead, Hertfordshire, England, is the familiar name given to the Plough roundabout. The familiar name comes from the children's television programme, and is also used for a similar junction in Swindon and the M40 junction in Denham. The official name relates to a former public house, called "The Plough Inn", which was between the junction of what is now Selden Hill and St Albans Road. It has also been known as the Moor End Roundabout as it is adjacent to the part of Boxmoor nearest the town. Before Hemel Hempstead became
Roundabout York and several in New Jersey. Others have been converted to signalised intersections, such as the Drum Hill Rotary in Chelmsford, Massachusetts, which is now six lanes wide and controlled by four separate intersections. Roundabout A roundabout, (also called a traffic circle, road circle, rotary, rotunda or island), is a type of circular intersection or junction in which road traffic is permitted to flow in one direction around a central island, and priority is given to traffic already on the junction. Modern roundabouts observe various design rules to increase safety. Compared to stop signs, traffic signals, and earlier forms of