The Magic Roundabout again on an LP "Pollux" in 1983 along with an original single "C'est moi Pollux". In the United Kingdom, the "Magic Roundabout" name has been given to the ring junction – a large road traffic circulation system with unconventional layouts – in Swindon and in Hemel Hempstead for example. The popularity of the TV show coincided with the introduction of such schemes and soon became associated with any complex traffic roundabout. Although the Swindon roundabout's original name was not the Magic Roundabout, it was almost always referred to as such by Swindon residents and in the late eighties, it was
Roundabout islands is 28 metre diameter ICD with a 4-metre diameter island. This threshold being driven primarily by vehicle geometry – which is globally relatively consistent – rather than driver behaviour, it is adopted in other jurisdictions too. Below this minimum size, the mini-roundabout prevails. After developing the offside priority rule, Frank Blackmore, of the UK's Transport Research Laboratory, turned his attention to the possibility of a roundabout that could be built at sites lacking room for a conventional roundabout. Mini-roundabouts can be a painted circle or a low dome but must be fully traversable by vehicles. Motorists can drive over