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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.
London, Beddington Cable Tunnel,(Beddington – Rowdown) 400 kV 51.36594°N 0.12324°W ; 51.34789°N 0.00954°W London, Hertfordshire, Elstree to St. John's Wood Deep Cable Tunnel: 20 2005 400 kV 51.52666°N 0.16488°W ; 51.65512°N 0.32714°W London, West Ham – Hackney (Lower Lea Valley Cable Tunnel) 6.3 2008 400 kV
The 3–4 m diameter tunnels were dug by tunnel boring machines and run 20–60 m below street level. [4] The tunnels were constructed by a joint venture between Costain Group and Skanska. [5] This phase linked Wimbledon and Hackney to substations at Willesden, St John's Wood, St Pancras, and Islington.
Eysturoy Tunnel, which opened in 2020, took four years to complete. It dramatically cut the travel time between the Faroe Islands capital on the island of Streymoy and neighboring Eysturoy island.
St. John’s Wood Greater London Kensal Green Underground, along Regent’s Canal and Grand Union Canal 275 kV, 132 kV, 66 kV, 22 kV City Road Underground along Regent’s Canal Hackney London Power Tunnel, single circuit Elstree Elstree to St. John’s Wood Deep Cable Tunnel: Sandford North Somerset Under construction (2020) Seabank Bristol
Elstree to St. John's Wood Cable Tunnel; H. Heathrow Airside Road Tunnel; Heathrow Cargo Tunnel; K. Kingsway tramway subway; L. Lee Tunnel; Limehouse Link tunnel;
Elstree to St. John's Wood Cable Tunnel: Electricity cables: 19,800: 21,653: 3-metre diameter, forced air cooling, 7 ventilation shafts, carries one 400kV circuit, provision for second circuit, battery powered overhead monorail system for access [28] 2005: Hertfordshire: Hatfield Tunnel: Road: 1,147: 1,531: Cut-and-cover tunnel on the A1(M ...
Image credits: Mike Sal The Historic Film Locations group on Facebook is a community of almost 900k members, most of whom are cinema fans and film tourists. The group believes that movies "hold ...