Magic Roundabout (Swindon) be reconfigured while the layout was fine tuned. A police officer was stationed at each mini roundabout during this pilot phase to oversee how drivers coped with the unique arrangement. The roundabout is built over a section of the old Wilts and Berks Canal – Swindon wharf. A narrow, stone bridge built c. 1810, which is a grade II listed building, carried the old Saxon way known as Drove Road over the canal half a mile east of the town centre. Its site became covered by Drove Roundabout, which was later redeveloped as the Magic Roundabout. A wharf occupied one
Roundabout intersections are called "rotaries" and the state enforces that restriction. The term "traffic circle" is not used in the United Kingdom, where most circular junctions meet the technical criteria for "modern roundabouts". However, in some parts of the English Midlands, such as in Birmingham, roundabouts are commonly called "islands", which conflicts with the more generic use of the term "island" as a structure to divide traffic flow, and can cause confusion. In the Channel Islands a third type of roundabout, known as "Filter in Turn", exists. Here approaching drivers neither yield to traffic on the roundabout, as normal, nor have