Ponsbourne Tunnel

railway tunnel in the UK

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Wikimedia, Wikidata

site, railway tunnel, United Kingdom

• RailScot listing^@

Location: 51.7416783, -0.1008099, ///feast.placed.survey, Google, Bing, Aerial View, OldMapsOnline, ESRI Imagery, Historic Markers, KML, NLS, OS,  eDoB, 

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{"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"auto","height":"600px","centre":{"text":"","title":"","link":"","lat":51.7416783,"lon":-0.1008099,"icon":""},"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"zoom":false,"defzoom":14,"layers":["OpenStreetMap","Esri.WorldImagery"],"image layers":[],"overlays":[],"resizable":false,"fullscreen":true,"scrollwheelzoom":true,"cluster":false,"clustermaxzoom":20,"clusterzoomonclick":true,"clustermaxradius":1,"clusterspiderfy":true,"geojson":"","clicktarget":"","imageLayers":[],"locations":[{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945075\" title=\"Q124945075\"\u003ECamden Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Camden Borough Control@ civil defense center\n","link":"","lat":51.556755,"lon":-0.146862,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q1024854\" title=\"Q1024854\"\u003EChurchill War Rooms\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1984 biographical museum, national museum, military museum, architectural structure, bunker, \u003Ca rel=\"nofollow\" class=\"external text\" href=\"https://www.tripadvisor.com/194299\"\u003Etripadvisor\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E","title":"Churchill War Rooms@1984 biographical museum, national museum, military museum, architectural structure, bunker, tripadvisor\n","link":"","lat":51.50222,"lon":-0.1293,"icon":"/images/d/d7/Tm_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945097\" title=\"Q124945097\"\u003EDagenham Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Dagenham Borough Control@ civil defense center\n","link":"","lat":51.561236,"lon":0.155957,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945111\" title=\"Q124945111\"\u003EEast Ham Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"East Ham Borough Control@ civil defense center\n","link":"","lat":51.554401,"lon":0.048124,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945116\" title=\"Q124945116\"\u003EEdmonton Borough Control Site 1\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Edmonton Borough Control Site 1@ civil defense center\n","link":"","lat":51.632531,"lon":-0.069603,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945118\" title=\"Q124945118\"\u003EEdmonton Borough Control Site 2\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Edmonton Borough Control Site 2@ civil defense center\n","link":"","lat":51.622503,"lon":-0.06136,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945134\" title=\"Q124945134\"\u003EFinchley Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Finchley Borough Control@ civil defense center\n","link":"","lat":51.596947,"lon":-0.195673,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945136\" title=\"Q124945136\"\u003EFinsbury Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Finsbury Borough Control@ civil defense center\n","link":"","lat":51.527079,"lon":-0.107996,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q26529162\" title=\"Q26529162\"\u003EHackney Air Raid Precaution Centre\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Eair-raid shelter\n\u003C/p\u003E\u003C/div\u003E","title":"Hackney Air Raid Precaution Centre@ air-raid shelter\n","link":"","lat":51.563222,"lon":-0.059901,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945149\" title=\"Q124945149\"\u003EHackney WW2 ARP Control and Post War Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Hackney WW2 ARP Control and Post War Borough Control@ civil defense center\n","link":"","lat":51.54559,"lon":-0.056735,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945157\" title=\"Q124945157\"\u003EHemel Hempstead Dacorum Borough Council Emergency Centre\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Hemel Hempstead Dacorum Borough Council Emergency Centre@ civil defense center\n","link":"","lat":51.755067,"lon":-0.473587,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124837838\" title=\"Q124837838\"\u003EHertford bunker\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ebunker\n\u003C/p\u003E\u003C/div\u003E","title":"Hertford bunker@ bunker\n","link":"","lat":51.793666,"lon":-0.080131,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q6386622\" title=\"Q6386622\"\u003EKelvedon Hatch Secret Nuclear Bunker\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ERoyal Air Force station, military museum, bunker, \u003Ca rel=\"nofollow\" class=\"external text\" href=\"https://www.tripadvisor.com/564498\"\u003Etripadvisor\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E","title":"Kelvedon Hatch Secret Nuclear Bunker@ Royal Air Force station, military museum, bunker, tripadvisor\n","link":"","lat":51.6718,"lon":0.256556,"icon":"/images/d/d7/Tm_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q66478849\" title=\"Q66478849\"\u003ELippitts Hill Anti-Aircraft Operations Room\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ebunker\n\u003C/p\u003E\u003C/div\u003E","title":"Lippitts Hill Anti-Aircraft Operations Room@ bunker\n","link":"","lat":51.653682242,"lon":0.019597947,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945186\" title=\"Q124945186\"\u003ELuton County Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Luton County Borough Control@ civil defense center\n","link":"","lat":51.876046,"lon":-0.419476,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945194\" title=\"Q124945194\"\u003EMiddlesex County Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Middlesex County Control@ civil defense center\n","link":"","lat":51.6108,"lon":-0.355048,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945196\" title=\"Q124945196\"\u003EMill Hill North West London Group Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Mill Hill North West London Group Control@ civil defense center\n","link":"","lat":51.615898,"lon":-0.207545,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945199\" title=\"Q124945199\"\u003ENortholt Sub Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Northolt Sub Control@ civil defense center\n","link":"","lat":51.541716,"lon":-0.366193,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q7115612\" title=\"Q7115612\"\u003EOxgate Admiralty Citadel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ebunker\n\u003C/p\u003E\u003C/div\u003E","title":"Oxgate Admiralty Citadel@ bunker\n","link":"","lat":51.5681,"lon":-0.2297,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945207\" title=\"Q124945207\"\u003EPaddington Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Paddington Borough Control@ civil defense center\n","link":"","lat":51.520626,"lon":-0.173942,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q7123359\" title=\"Q7123359\"\u003EPaddock\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ebunker\n\u003C/p\u003E\u003C/div\u003E","title":"Paddock@ bunker\n","link":"","lat":51.5622,"lon":-0.238586,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945242\" title=\"Q124945242\"\u003ESouthwark Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Southwark Borough Control@ civil defense center\n","link":"","lat":51.473578,"lon":-0.08303,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945244\" title=\"Q124945244\"\u003ESt Albans City and District Council Emergency Centre\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"St Albans City and District Council Emergency Centre@ civil defense center\n","link":"","lat":51.753344,"lon":-0.336082,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945256\" title=\"Q124945256\"\u003EStoke Newington Borough Control and Hackney Borough Control 2nd Site\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Stoke Newington Borough Control and Hackney Borough Control 2nd Site@ civil defense center\n","link":"","lat":51.561698,"lon":-0.083615,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945254\" title=\"Q124945254\"\u003EStoke Newington Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Stoke Newington Borough Control@ civil defense center\n","link":"","lat":51.561698,"lon":-0.083615,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945249\" title=\"Q124945249\"\u003ESt Pancras Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"St Pancras Borough Control@ civil defense center\n","link":"","lat":51.556755,"lon":-0.146862,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945260\" title=\"Q124945260\"\u003EStratford Newham Borough Council Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Stratford Newham Borough Council Control@ civil defense center\n","link":"","lat":51.543406,"lon":0.005257,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945269\" title=\"Q124945269\"\u003ETottenham Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Tottenham Borough Control@ civil defense center\n","link":"","lat":51.58706,"lon":-0.072682,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945270\" title=\"Q124945270\"\u003ETower Hamlets Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Tower Hamlets Borough Control@ civil defense center\n","link":"","lat":51.51484,"lon":-0.05881,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124858342\" title=\"Q124858342\"\u003EWatford Royal Observer Corps Group Headquarters\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ebunker\n\u003C/p\u003E\u003C/div\u003E","title":"Watford Royal Observer Corps Group Headquarters@ bunker\n","link":"","lat":51.668045,"lon":-0.418656,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q26478853\" title=\"Q26478853\"\u003ECanal-Head Grotto\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Egrotto\n\u003C/p\u003E\u003C/div\u003E","title":"Canal-Head Grotto@ grotto\n","link":"","lat":51.573393,"lon":0.06698,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q26469214\" title=\"Q26469214\"\u003EGrotto About 70 Metres North East Of Dancers Hill House\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Egrotto\n\u003C/p\u003E\u003C/div\u003E","title":"Grotto About 70 Metres North East Of Dancers Hill House@ grotto\n","link":"","lat":51.679942,"lon":-0.214551,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q26462781\" title=\"Q26462781\"\u003EGrotto At Lippittshill Lodge\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Egrotto\n\u003C/p\u003E\u003C/div\u003E","title":"Grotto At Lippittshill Lodge@ grotto\n","link":"","lat":51.651972,"lon":0.023555,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q27081872\" title=\"Q27081872\"\u003EGrotto\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Egrotto\n\u003C/p\u003E\u003C/div\u003E","title":"Grotto@ grotto\n","link":"","lat":51.572991,"lon":0.067337,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q7435823\" title=\"Q7435823\"\u003EScott's Grotto\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Eshell grotto\n\u003C/p\u003E\u003C/div\u003E","title":"Scott's Grotto@ shell grotto\n","link":"","lat":51.80667,"lon":-0.03333,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q26478865\" title=\"Q26478865\"\u003EThe Grotto\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Egrotto\n\u003C/p\u003E\u003C/div\u003E","title":"The Grotto@ grotto\n","link":"","lat":51.568341,"lon":0.046376,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q5050176\" title=\"Q5050176\"\u003ECastle Lime Works Quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Castle Lime Works Quarry@ quarry\n","link":"","lat":51.7087,"lon":-0.22268,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q24993780\" title=\"Q24993780\"\u003EHall's Quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Hall's Quarry@ quarry\n","link":"","lat":51.929,"lon":0.206,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20711582\" title=\"Q20711582\"\u003EHill End Pit\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Echalk quarry\n\u003C/p\u003E\u003C/div\u003E","title":"Hill End Pit@ chalk quarry\n","link":"","lat":51.9008,"lon":-0.26017,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20740388\" title=\"Q20740388\"\u003EMoor Mill Quarry, West\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Moor Mill Quarry, West@ quarry\n","link":"","lat":51.711814,"lon":-0.3505767,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107384630\" title=\"Q107384630\"\u003EBakerloo line tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1906 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Bakerloo line tunnels@1906 railway tunnel\n","link":"","lat":51.505555555,"lon":-0.120555555,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107383533\" title=\"Q107383533\"\u003EBankside Cable Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1940 utility tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Bankside Cable Tunnel@1940 utility tunnel\n","link":"","lat":51.509722222,"lon":-0.098888888,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107434822\" title=\"Q107434822\"\u003EBankside\u2013Charing Cross cable tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Eutility tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Bankside\u2013Charing Cross cable tunnel@ utility tunnel\n","link":"","lat":51.506111111,"lon":-0.120277777,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107398152\" title=\"Q107398152\"\u003EBarking cable tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1920 utility tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Barking cable tunnel@1920 utility tunnel\n","link":"","lat":51.511944444,"lon":0.109166666,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q24885278\" title=\"Q24885278\"\u003EBarnet Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Barnet Tunnel@ railway tunnel\n","link":"","lat":51.6295,"lon":-0.1582,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107385720\" title=\"Q107385720\"\u003EBattersea exhaust tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1920 utility tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Battersea exhaust tunnels@1920 utility tunnel\n","link":"","lat":51.483888888,"lon":-0.146666666,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107385520\" title=\"Q107385520\"\u003EBattersea steam tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E2000 utility tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Battersea steam tunnel@2000 utility tunnel\n","link":"","lat":51.484166666,"lon":-0.141944444,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q120489536\" title=\"Q120489536\"\u003EBell Common Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Eroad tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Bell Common Tunnel@ road tunnel\n","link":"","lat":51.68957,"lon":0.09387,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107398243\" title=\"Q107398243\"\u003EBlackwall Tunnel (eastern)\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1967 road tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Blackwall Tunnel (eastern)@1967 road tunnel\n","link":"","lat":51.505277777,"lon":-0.001944444,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q880946\" title=\"Q880946\"\u003EBlackwall Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1897 road tunnel, architectural structure\n\u003C/p\u003E\u003C/div\u003E","title":"Blackwall Tunnel@1897 road tunnel, architectural structure\n","link":"","lat":51.504444444,"lon":-0.003055555,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107398366\" title=\"Q107398366\"\u003EBlackwall Tunnel (western)\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Eroad tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Blackwall Tunnel (western)@ road tunnel\n","link":"","lat":51.503611111,"lon":-0.003888888,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q85750414\" title=\"Q85750414\"\u003ECanal Tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Canal Tunnels@ railway tunnel\n","link":"","lat":51.538615,"lon":-0.1261667,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107383362\" title=\"Q107383362\"\u003ECity \u0026amp; South London Railway tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1890 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"City \u0026amp; South London Railway tunnels@1890 railway tunnel\n","link":"","lat":51.508055555,"lon":-0.088888888,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q18737013\" title=\"Q18737013\"\u003ECopenhagen Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1850 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Copenhagen Tunnel@1850 railway tunnel\n","link":"","lat":51.5456,"lon":-0.120632,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q5187664\" title=\"Q5187664\"\u003ECromwell Curve\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Etunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Cromwell Curve@ tunnel\n","link":"","lat":51.4955,"lon":-0.1873,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107398192\" title=\"Q107398192\"\u003ECrossrail tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E2014 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Crossrail tunnels@2014 railway tunnel\n","link":"","lat":51.496666666,"lon":0.063888888,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107420094\" title=\"Q107420094\"\u003EDeptford cable tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Eutility tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Deptford cable tunnel@ utility tunnel\n","link":"","lat":51.486388888,"lon":-0.021666666,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107398176\" title=\"Q107398176\"\u003EDocklands Light Railway tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E2009 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Docklands Light Railway tunnel@2009 railway tunnel\n","link":"","lat":51.498611111,"lon":0.075277777,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107420091\" title=\"Q107420091\"\u003EDocklands Light Railway tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1999 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Docklands Light Railway tunnel@1999 railway tunnel\n","link":"","lat":51.484722222,"lon":-0.010277777,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q84557580\" title=\"Q84557580\"\u003EElstree to St. John's Wood Cable Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Epower cable, tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Elstree to St. John's Wood Cable Tunnel@ power cable, tunnel\n","link":"","lat":51.526,"lon":-0.172,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q108336750\" title=\"Q108336750\"\u003EEuston tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Etunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Euston tunnel@ tunnel\n","link":"","lat":51.537,"lon":-0.192,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q2042810\" title=\"Q2042810\"\u003EEyre's Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1816 canal tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Eyre's Tunnel@1816 canal tunnel\n","link":"","lat":51.526389,"lon":-0.171667,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q96308186\" title=\"Q96308186\"\u003EGasworks Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Gasworks Tunnel@ railway tunnel\n","link":"","lat":51.535305555,"lon":-0.123305555,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q935104\" title=\"Q935104\"\u003EGreenwich foot tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1899 pedestrian tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Greenwich foot tunnel@1899 pedestrian tunnel\n","link":"","lat":51.4833,"lon":-0.0102,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q116702014\" title=\"Q116702014\"\u003EHadley Wood North Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Hadley Wood North Tunnel@ railway tunnel\n","link":"","lat":51.6720744,"lon":-0.1763445,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q116702013\" title=\"Q116702013\"\u003EHadley Wood South Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Hadley Wood South Tunnel@ railway tunnel\n","link":"","lat":51.6659153,"lon":-0.1759713,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q122212349\" title=\"Q122212349\"\u003EHighgate East Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Highgate East Tunnel@ railway tunnel\n","link":"","lat":51.5768302,"lon":-0.1437943,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107420083\" title=\"Q107420083\"\u003EIsle of Dogs Jubilee line tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1999 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Isle of Dogs Jubilee line tunnels@1999 railway tunnel\n","link":"","lat":51.500277777,"lon":-0.005277777,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q1947073\" title=\"Q1947073\"\u003EIslington Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1818 canal tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Islington Tunnel@1818 canal tunnel\n","link":"","lat":51.534167,"lon":-0.108611,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107384854\" title=\"Q107384854\"\u003EJubilee Line Extension tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1999 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Jubilee Line Extension tunnels@1999 railway tunnel\n","link":"","lat":51.501111111,"lon":-0.121666666,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107420073\" title=\"Q107420073\"\u003EJubilee line tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1999 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Jubilee line tunnels@1999 railway tunnel\n","link":"","lat":51.500555555,"lon":-0.03,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107420086\" title=\"Q107420086\"\u003EJubilee line tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1999 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Jubilee line tunnels@1999 railway tunnel\n","link":"","lat":51.504722222,"lon":0.008611111,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q121677764\" title=\"Q121677764\"\u003EKing\u2019s Cross Light Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E2016 subway tunnel, pedestrian tunnel, installation art\n\u003C/p\u003E\u003C/div\u003E","title":"King\u2019s Cross Light Tunnel@2016 subway tunnel, pedestrian tunnel, installation art\n","link":"","lat":51.533099,"lon":-0.124964,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q12061013\" title=\"Q12061013\"\u003EKingsway tramway subway\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Etramway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Kingsway tramway subway@ tramway tunnel\n","link":"","lat":51.518361111,"lon":-0.120777777,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q6549180\" title=\"Q6549180\"\u003ELimehouse Link tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Eroad, tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Limehouse Link tunnel@ road, tunnel\n","link":"","lat":51.511,"lon":-0.033,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q2913985\" title=\"Q2913985\"\u003EMaida Hill Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecanal tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Maida Hill Tunnel@ canal tunnel\n","link":"","lat":51.525278,"lon":-0.175833,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q85788420\" title=\"Q85788420\"\u003ENew Cross to Finsbury Market cable tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E2017 utility tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"New Cross to Finsbury Market cable tunnel@2017 utility tunnel\n","link":"","lat":51.501944444,"lon":-0.062222222,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107383178\" title=\"Q107383178\"\u003ENorthern Line (Bank branch) tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1900 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Northern Line (Bank branch) tunnels@1900 railway tunnel\n","link":"","lat":51.507777777,"lon":-0.086944444,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107383840\" title=\"Q107383840\"\u003ENorthern line (Charing Cross branch) tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1926 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Northern line (Charing Cross branch) tunnels@1926 railway tunnel\n","link":"","lat":51.506388888,"lon":-0.119444444,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107564527\" title=\"Q107564527\"\u003ENortholt tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ehigh-speed railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Northolt tunnel@ high-speed railway tunnel\n","link":"","lat":51.536,"lon":-0.319,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca class=\"mw-selflink selflink\"\u003EPonsbourne Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Ponsbourne Tunnel@ railway tunnel\n","link":"","lat":51.7416783,"lon":-0.1008099,"icon":"/images/d/d2/Red-marker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q27082177\" title=\"Q27082177\"\u003EPrimrose Hill Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1838 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Primrose Hill Tunnel@1838 railway tunnel\n","link":"","lat":51.542,"lon":-0.169,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q1450285\" title=\"Q1450285\"\u003ERotherhithe Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1908 pedestrian tunnel, road tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Rotherhithe Tunnel@1908 pedestrian tunnel, road tunnel\n","link":"","lat":51.506388888,"lon":-0.048611111,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q7516864\" title=\"Q7516864\"\u003ESilvertown Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Etunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Silvertown Tunnel@ tunnel\n","link":"","lat":51.5048,"lon":0.00793889,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q2296005\" title=\"Q2296005\"\u003ESnow Hill Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Snow Hill Tunnel@ railway tunnel\n","link":"","lat":51.513055555,"lon":-0.103611111,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q27087169\" title=\"Q27087169\"\u003ESouth Kensington Subway\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Epedestrian tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"South Kensington Subway@ pedestrian tunnel\n","link":"","lat":51.494452,"lon":-0.173732,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q7621257\" title=\"Q7621257\"\u003EStrand Underpass\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Eroad tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Strand Underpass@ road tunnel\n","link":"","lat":51.516583333,"lon":-0.118861111,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q1190691\" title=\"Q1190691\"\u003EThames Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1843 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Thames Tunnel@1843 railway tunnel\n","link":"","lat":51.503055555,"lon":-0.054444444,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q97324807\" title=\"Q97324807\"\u003EThe Nursemaids' Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Esubway\n\u003C/p\u003E\u003C/div\u003E","title":"The Nursemaids' Tunnel@ subway\n","link":"","lat":51.52365,"lon":-0.1462,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q1726282\" title=\"Q1726282\"\u003ETower Subway\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Etube railway, pedestrian tunnel, utility tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Tower Subway@ tube railway, pedestrian tunnel, utility tunnel\n","link":"","lat":51.508333333,"lon":-0.078888888,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107385171\" title=\"Q107385171\"\u003EVictoria line tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1971 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Victoria line tunnels@1971 railway tunnel\n","link":"","lat":51.487222222,"lon":-0.1275,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q7974311\" title=\"Q7974311\"\u003EWaterloo and Whitehall Railway\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Eproposed building or structure, tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Waterloo and Whitehall Railway@ proposed building or structure, tunnel\n","link":"","lat":51.506041666,"lon":-0.126633333,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q207699\" title=\"Q207699\"\u003EWaterloo \u0026amp; City line\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erapid transit railway line, subway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Waterloo \u0026amp; City line@ rapid transit railway line, subway tunnel\n","link":"","lat":51.513056,"lon":-0.088056,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107383624\" title=\"Q107383624\"\u003EWaterloo \u0026amp; City line tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1898 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Waterloo \u0026amp; City line tunnels@1898 railway tunnel\n","link":"","lat":51.509722222,"lon":-0.105555555,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124414239\" title=\"Q124414239\"\u003EWatford East Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1874 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Watford East Tunnel@1874 railway tunnel\n","link":"","lat":51.681784,"lon":-0.41802,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124407150\" title=\"Q124407150\"\u003EWatford Tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Watford Tunnels@ railway tunnel\n","link":"","lat":51.681507,"lon":-0.419055,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124414230\" title=\"Q124414230\"\u003EWatford West Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1837 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Watford West Tunnel@1837 railway tunnel\n","link":"","lat":51.681507,"lon":-0.419055,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q116701682\" title=\"Q116701682\"\u003EWelwyn North Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Welwyn North Tunnel@ railway tunnel\n","link":"","lat":51.8368562,"lon":-0.1853459,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q116689751\" title=\"Q116689751\"\u003EWelwyn South Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Welwyn South Tunnel@ railway tunnel\n","link":"","lat":51.8277899,"lon":-0.1900868,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q7989445\" title=\"Q7989445\"\u003EWeston Hills Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Etunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Weston Hills Tunnel@ tunnel\n","link":"","lat":51.9779,"lon":-0.176739,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q26503164\" title=\"Q26503164\"\u003EWest Portal And Islington Tunnel (Regents Canal)\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Eportal, tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"West Portal And Islington Tunnel (Regents Canal)@ portal, tunnel\n","link":"","lat":51.534805,"lon":-0.115022,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107385393\" title=\"Q107385393\"\u003EWimbledon \u2013 Pimlico cable tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1996 utility tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Wimbledon \u2013 Pimlico cable tunnel@1996 utility tunnel\n","link":"","lat":51.486111111,"lon":-0.128333333,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q645207\" title=\"Q645207\"\u003EWoolwich foot tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Epedestrian tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Woolwich foot tunnel@ pedestrian tunnel\n","link":"","lat":51.4988,"lon":0.0616,"icon":"/images/0/04/M_tunnel.png"}],"imageoverlays":null}

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Air Shaft For Railway Tunnel 2012

Bayford to Cuffley railway line - geograph.org.uk - 306539 2007

Ponsbourne railway tunnel near Bayford - geograph.org.uk - 782781 2008

Type	Date	Description	Keywords	Notes	Source
link		RailScot listing@			Wikidata
site		Camden Borough Control	civil defense center		Wikidata
site	1984	Churchill War Rooms	biographical museum, national museum, military museum, architectural structure, bunker, tripadvisor		Wikidata
site		Dagenham Borough Control	civil defense center		Wikidata
site		East Ham Borough Control	civil defense center		Wikidata
site		Edmonton Borough Control Site 1	civil defense center		Wikidata
site		Edmonton Borough Control Site 2	civil defense center		Wikidata
site		Finchley Borough Control	civil defense center		Wikidata
site		Finsbury Borough Control	civil defense center		Wikidata
site		Hackney Air Raid Precaution Centre	air-raid shelter		Wikidata
site		Hackney WW2 ARP Control and Post War Borough Control	civil defense center		Wikidata
site		Hemel Hempstead Dacorum Borough Council Emergency Centre	civil defense center		Wikidata
site		Hertford bunker	bunker		Wikidata
site		Kelvedon Hatch Secret Nuclear Bunker	Royal Air Force station, military museum, bunker, tripadvisor		Wikidata
site		Lippitts Hill Anti-Aircraft Operations Room	bunker		Wikidata
site		Luton County Borough Control	civil defense center		Wikidata
site		Middlesex County Control	civil defense center		Wikidata
site		Mill Hill North West London Group Control	civil defense center		Wikidata
site		Northolt Sub Control	civil defense center		Wikidata
site		Oxgate Admiralty Citadel	bunker		Wikidata
site		Paddington Borough Control	civil defense center		Wikidata
site		Paddock	bunker		Wikidata
site		Southwark Borough Control	civil defense center		Wikidata
site		St Albans City and District Council Emergency Centre	civil defense center		Wikidata
site		Stoke Newington Borough Control and Hackney Borough Control 2nd Site	civil defense center		Wikidata
site		Stoke Newington Borough Control	civil defense center		Wikidata
site		St Pancras Borough Control	civil defense center		Wikidata
site		Stratford Newham Borough Council Control	civil defense center		Wikidata
site		Tottenham Borough Control	civil defense center		Wikidata
site		Tower Hamlets Borough Control	civil defense center		Wikidata
site		Watford Royal Observer Corps Group Headquarters	bunker		Wikidata
site		Canal-Head Grotto	grotto		Wikidata
site		Grotto About 70 Metres North East Of Dancers Hill House	grotto		Wikidata
site		Grotto At Lippittshill Lodge	grotto		Wikidata
site		Grotto	grotto		Wikidata
site		Scott's Grotto	shell grotto		Wikidata
site		The Grotto	grotto		Wikidata
site		Castle Lime Works Quarry	quarry		Wikidata
site		Hall's Quarry	quarry		Wikidata
site		Hill End Pit	chalk quarry		Wikidata
site		Moor Mill Quarry, West	quarry		Wikidata
site	1906	Bakerloo line tunnels	railway tunnel		Wikidata
site	1940	Bankside Cable Tunnel	utility tunnel		Wikidata
site		Bankside–Charing Cross cable tunnel	utility tunnel		Wikidata
site	1920	Barking cable tunnel	utility tunnel		Wikidata
site		Barnet Tunnel	railway tunnel		Wikidata
site	1920	Battersea exhaust tunnels	utility tunnel		Wikidata
site	2000	Battersea steam tunnel	utility tunnel		Wikidata
site		Bell Common Tunnel	road tunnel		Wikidata
site	1967	Blackwall Tunnel (eastern)	road tunnel		Wikidata
site	1897	Blackwall Tunnel	road tunnel, architectural structure		Wikidata
site		Blackwall Tunnel (western)	road tunnel		Wikidata
site		Canal Tunnels	railway tunnel		Wikidata
site	1890	City & South London Railway tunnels	railway tunnel		Wikidata
site	1850	Copenhagen Tunnel	railway tunnel		Wikidata
site		Cromwell Curve	tunnel		Wikidata
site	2014	Crossrail tunnels	railway tunnel		Wikidata
site		Deptford cable tunnel	utility tunnel		Wikidata
site	2009	Docklands Light Railway tunnel	railway tunnel		Wikidata
site	1999	Docklands Light Railway tunnel	railway tunnel		Wikidata
site		Elstree to St. John's Wood Cable Tunnel	power cable, tunnel		Wikidata
site		Euston tunnel	tunnel		Wikidata
site	1816	Eyre's Tunnel	canal tunnel		Wikidata
site		Gasworks Tunnel	railway tunnel		Wikidata
site	1899	Greenwich foot tunnel	pedestrian tunnel		Wikidata
site		Hadley Wood North Tunnel	railway tunnel		Wikidata
site		Hadley Wood South Tunnel	railway tunnel		Wikidata
site		Highgate East Tunnel	railway tunnel		Wikidata
site	1999	Isle of Dogs Jubilee line tunnels	railway tunnel		Wikidata
site	1818	Islington Tunnel	canal tunnel		Wikidata
site	1999	Jubilee Line Extension tunnels	railway tunnel		Wikidata
site	1999	Jubilee line tunnels	railway tunnel		Wikidata
site	1999	Jubilee line tunnels	railway tunnel		Wikidata
site	2016	King’s Cross Light Tunnel	subway tunnel, pedestrian tunnel, installation art		Wikidata
site		Kingsway tramway subway	tramway tunnel		Wikidata
site		Lee Tunnel	tunnel		Wikidata
site		Limehouse Link tunnel	road, tunnel		Wikidata
site		Maida Hill Tunnel	canal tunnel		Wikidata
site	2017	New Cross to Finsbury Market cable tunnel	utility tunnel		Wikidata
site	1900	Northern Line (Bank branch) tunnels	railway tunnel		Wikidata
site	1926	Northern line (Charing Cross branch) tunnels	railway tunnel		Wikidata
site		Northolt tunnel	high-speed railway tunnel		Wikidata
site		Ponsbourne Tunnel	railway tunnel		Wikidata
site	1838	Primrose Hill Tunnel	railway tunnel		Wikidata
site	1908	Rotherhithe Tunnel	pedestrian tunnel, road tunnel		Wikidata
site		Silvertown Tunnel	tunnel		Wikidata
site		Snow Hill Tunnel	railway tunnel		Wikidata
site		South Kensington Subway	pedestrian tunnel		Wikidata
site		Strand Underpass	road tunnel		Wikidata
site	1843	Thames Tunnel	railway tunnel		Wikidata
site		The Nursemaids' Tunnel	subway		Wikidata
site		Tower Subway	tube railway, pedestrian tunnel, utility tunnel		Wikidata
site	1971	Victoria line tunnels	railway tunnel		Wikidata
site		Waterloo and Whitehall Railway	proposed building or structure, tunnel		Wikidata
site		Waterloo & City line	rapid transit railway line, subway tunnel		Wikidata
site	1898	Waterloo & City line tunnels	railway tunnel		Wikidata
site	1874	Watford East Tunnel	railway tunnel		Wikidata
site		Watford Tunnels	railway tunnel		Wikidata
site	1837	Watford West Tunnel	railway tunnel		Wikidata
site		Welwyn North Tunnel	railway tunnel		Wikidata
site		Welwyn South Tunnel	railway tunnel		Wikidata
site		Weston Hills Tunnel	tunnel		Wikidata
site		West Portal And Islington Tunnel (Regents Canal)	portal, tunnel		Wikidata
site	1996	Wimbledon – Pimlico cable tunnel	utility tunnel		Wikidata
site		Woolwich foot tunnel	pedestrian tunnel		Wikidata
image	2012	Air Shaft For Railway Tunnel			Wikimedia
image	2007	Bayford to Cuffley railway line - geograph.org.uk - 306539			Wikimedia
image	2008	Ponsbourne railway tunnel near Bayford - geograph.org.uk - 782781			Wikimedia