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, the M40 junction in Denham, and the Magic Roundabout in Colchester. 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 a new town the roads met in a simple junction which was then replaced by a standard roundabout.

Magic Roundabout
Plough Roundabout
Sign approaching the Roundabout from the south on the A414 showing the official name
Location
Hemel Hempstead, England
Coordinates51°44′46″N 00°28′23″W
Roads at
junction
  • A414 (Two Waters Road / St Albans Road)
  • A4146 (Station Road / Leighton Buzzard Road)
  • Lawn Lane
  • Selden Hill
Construction
TypeRoundabout
Constructed1973[1]

Description
Main article: Roundabout § Magic roundabout
The Magic Roundabout as photographed in 1971
Magic Roundabout, looking south with mini roundabouts 1 (nearest), 2 and 3 in view. The grassy bank at the centre of the picture is part of the central hub roundabout. Taken from part of the 'Riverside' development

Constructed in 1973, the "Magic Roundabout" in Hemel Hempstead was voted the UK's second-worst roundabout in a 2005 poll held by an insurance company (the winner being its Swindon counterpart).[1]

In 2011 the roundabout was voted the best in Britain by motorists in a competition organised by a car leasing service.[2]

The roundabout is unusual in that traffic flows both clockwise (the standard flow direction of British roundabouts) and anticlockwise. Drivers approaching the roundabout from any junction can choose to turn left or right, and they are free to make U-turns using any of the mini roundabouts at the junction. Effectively, the junction should be treated as six individual roundabouts - right of way must be given on the approach of each new mini roundabout.

Line drawing of the roundabout in its first configuration. The road labelled '2' is the dual-carriageway St Albans Road and provides the main access to Hemel from the M1 motorway.

Early history

The original magic roundabout had six exits in total, with the BP building spanning "Marlowes", the road leading to the town centre, in the approximate position of the earlier railway viaduct. The BP building was found to be unstable due to defective reinforced concrete and the exit had to be closed. The building was demolished but the original route was not restored, although a newer side exit from the roundabout replaced the junction with Marlowes off a side road.

See also

Other similar roundabouts

References
  1. Brits vote on the best and worst roundabouts, 20 December 2005, retrieved on 18 January 2008
  2. We’re the top roundabout? That’s Magic! , Hemel Gazette, 20 May 2011,
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