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Elstree to St. John's Wood Cable Tunnel

Electric power infrastructure in EnglandElectric power transmission in the United KingdomTunnels completed in 2005Tunnels in London
Elstree to St John's Wood Cable Tunnel
Elstree to St John's Wood Cable Tunnel

The Elstree to St. John's Wood Cable Tunnel, known as The London Connection during construction, is a 20 km long, 3m wide tunnel beneath northwest London. Constructed between 2001 and 2005, the tunnel carries high voltage transmission lines from Elstree substation in Hertfordshire to Lodge Road sub station in Westminster at a depth of 20m below street level.The tunnel runs beneath the A5 road for the majority of its length, and houses a single 400 kV power transmission circuit with a rated capacity of 3700 A. There is provision for a second circuit to be installed in the future.A remotely operated, battery powered monorail system runs along the tunnel, allowing the cables to be inspected remotely using infrared cameras.

Excerpt from the Wikipedia article Elstree to St. John's Wood Cable Tunnel (License: CC BY-SA 3.0, Authors, Images).

Elstree to St. John's Wood Cable Tunnel
Lisson Grove, City of Westminster St. John's Wood

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Wikipedia: Elstree to St. John's Wood Cable TunnelContinue reading on Wikipedia

Geographical coordinates (GPS)

Latitude Longitude
N 51.526 ° E -0.172 °
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Address

Westminster City Council - Lisson Grove

Lisson Grove 215
NW8 8LF City of Westminster, St. John's Wood
England, United Kingdom
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Elstree to St John's Wood Cable Tunnel
Elstree to St John's Wood Cable Tunnel
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Lisson Grove

Lisson Grove is a street and district in Marylebone, City of Westminster, London. The neighbourhood contains a few important cultural landmarks, including Lisson Gallery, Alfies Antique Market, Red Bus Recording Studios, the former Christ Church, now the Greenhouse Centre, and the Seashell of Lisson Grove. The heart of the community and retail/services zone is Church Street Market, which runs between Lisson Grove itself and Edgware Road.The market specialises in antiques and bric-à-brac, and has flourished since the 1960s. The area saw its suburban decades – on the edge of London – from the late 18th century, and some fine Georgian terraces remain. Early residents included artists such as Benjamin Haydon and Charles Rossi, whose former cottage still stands at 116 Lisson Grove. Lord's Cricket Ground adjoined Lisson Grove in the early nineteenth century before re-locating to St Johns Wood, the similar-size district to the north. The area is bounded by St John's Wood Road to the north, Regent's Park to the east, Edgware Road to the west and Marylebone Road to the south. Church Street electoral ward, as currently drawn, is approximately the same. Lisson Grove is predominantly residential, with a mid-to-high population density for Inner London. The council's profile describes Church Street as an ethnically diverse ward, having one of the highest concentrations of social housing in the borough with a substantial estate renewal programme underway.