Error: Invalid JSON (<!DOCTYPE html> <html lang="en"> <head>

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   <title>Wikimedia Commons SPARQL Query Error</title>
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SPARQL Query Service

Operation Failed:

An error occurred during query execution: HTTP Error: 400 Response: SPARQL-QUERY: queryStr= SELECT DISTINCT ?item ?file ?date ?label ?qualityLabel ?latitude ?longitude ?type ?subtype ?source WHERE { SERVICE wikibase:label {bd:serviceParam wikibase:language 'en'} { SELECT DISTINCT ?item ?file ?date ?label ?quality ?latitude ?longitude ?type ?subtype ?source WHERE { { SELECT DISTINCT ?item ?date ?file ?type ?subtype ?source (COALESCE(?label1,?label2) AS ?label) (SAMPLE (COALESCE(?latitude1,?latitude2)) AS ?latitude) (SAMPLE (COALESCE(?longitude1,?longitude2)) AS ?longitude) (SAMPLE(?qualitylist) AS ?quality) WHERE { {?item wdt:P180 wd:Q84557580} UNION {SERVICE wikibase:mwapi{ bd:serviceParam wikibase:api 'Generator' . bd:serviceParam wikibase:endpoint 'commons.wikimedia.org' . bd:serviceParam mwapi:gcmtitle 'Category:Elstree to St. John's Wood Cable Tunnel' . bd:serviceParam mwapi:generator 'categorymembers' . bd:serviceParam mwapi:gcmtype 'file' . bd:serviceParam mwapi:gcmlimit 'max' . ?title wikibase:apiOutput mwapi:title . ?pageid wikibase:apiOutput '@pageid' . } BIND (URI(CONCAT('https://commons.wikimedia.org/entity/M', ?pageid)) AS ?item) } OPTIONAL {?item rdfs:label ?label1 FILTER(LANG(?label1) = 'en')} ?item schema:url ?url. BIND (CONCAT('File:',wikibase:decodeUri(substr(str(?url),52))) AS ?file) BIND(REPLACE(REPLACE(?file, '^File:', ), '.[^.]*$', ) AS ?label2) OPTIONAL {?item wdt:P571 ?date} OPTIONAL {?item wdt:P6731 ?qualitylist} OPTIONAL { ?item p:P1259 ?position1. ?position1 psv:P1259/wikibase:geoLatitude ?latitude1a. ?position1 psv:P1259/wikibase:geoLongitude ?longitude1a. BIND(STR(?latitude1a) AS ?latitude1) BIND(STR(?longitude1a) AS ?longitude1) } OPTIONAL { ?item p:P9149 ?position2. ?position2 psv:P9149/wikibase:geoLatitude ?latitude2a. ?position2 psv:P9149/wikibase:geoLongitude ?longitude2a. BIND(STR(?latitude2a) AS ?latitude2) BIND(STR(?longitude2a) AS ?longitude2) } BIND(CONCAT('commons') AS ?type) BIND(CONCAT('image') AS ?subtype) BIND(CONCAT('Commons') AS ?source) FILTER ( STRENDS(LCASE(STR(?file)), '.jpg') || STRENDS(LCASE(STR(?file)), '.jpeg') ) } GROUP BY ?item ?date ?file ?label1 ?label2 ?latitude1 ?latitude2 ?longitude1 ?longitude2 ?type ?subtype ?source } } ORDER BY DESC(?quality) ASC(?date) LIMIT 10 } } GROUP BY ?item ?file ?date ?label ?qualityLabel ?latitude ?longitude ?type ?subtype ?source ORDER BY ASC(?date) java.util.concurrent.ExecutionException: org.openrdf.query.MalformedQueryException: Lexical error at line 16, column 77. Encountered: " " (32), after : "s" at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:206) at com.bigdata.rdf.sail.webapp.BigdataServlet.submitApiTask(BigdataServlet.java:292) at com.bigdata.rdf.sail.webapp.QueryServlet.doSparqlQuery(QueryServlet.java:678) at com.bigdata.rdf.sail.webapp.QueryServlet.doPost(QueryServlet.java:275) at com.bigdata.rdf.sail.webapp.RESTServlet.doPost(RESTServlet.java:269) at com.bigdata.rdf.sail.webapp.MultiTenancyServlet.doPost(MultiTenancyServlet.java:195) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655) at org.wikidata.query.rdf.blazegraph.throttling.ThrottlingFilter.doFilter(ThrottlingFilter.java:322) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.throttling.SystemOverloadFilter.doFilter(SystemOverloadFilter.java:84) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at ch.qos.logback.classic.helpers.MDCInsertingServletFilter.doFilter(MDCInsertingServletFilter.java:50) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.QueryEventSenderFilter.doFilter(QueryEventSenderFilter.java:125) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.ClientIPFilter.doFilter(ClientIPFilter.java:43) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.JWTIdentityFilter.doFilter(JWTIdentityFilter.java:66) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.RealAgentFilter.doFilter(RealAgentFilter.java:33) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.RequestConcurrencyFilter.doFilter(RequestConcurrencyFilter.java:50) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1340) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1242) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.Server.handle(Server.java:503) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683) at java.lang.Thread.run(Thread.java:750) Caused by: org.openrdf.query.MalformedQueryException: Lexical error at line 16, column 77. Encountered: " " (32), after : "s" at com.bigdata.rdf.sail.sparql.Bigdata2ASTSPARQLParser.parseQuery2(Bigdata2ASTSPARQLParser.java:404) at com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:741) at com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:695) at com.bigdata.rdf.task.ApiTaskForIndexManager.call(ApiTaskForIndexManager.java:68) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ... 1 more Caused by: com.bigdata.rdf.sail.sparql.ast.TokenMgrError: Lexical error at line 16, column 77. Encountered: " " (32), after : "s" at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilderTokenManager.getNextToken(SyntaxTreeBuilderTokenManager.java:3994) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.jj_ntk(SyntaxTreeBuilder.java:9637) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.RDFLiteral(SyntaxTreeBuilder.java:7189) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphTerm(SyntaxTreeBuilder.java:3893) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.VarOrTermOrTRefP(SyntaxTreeBuilder.java:8714) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphNodePath(SyntaxTreeBuilder.java:3786) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.ObjectPath(SyntaxTreeBuilder.java:3467) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.ObjectListPath(SyntaxTreeBuilder.java:3044) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.PropertyListPath(SyntaxTreeBuilder.java:2992) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.TriplesSameSubjectPath(SyntaxTreeBuilder.java:2919) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.TriplesBlock(SyntaxTreeBuilder.java:2321) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.BasicGraphPattern(SyntaxTreeBuilder.java:2097) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2034) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.ServiceGraphPattern(SyntaxTreeBuilder.java:2534) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2370) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2451) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2459) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2361) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.WhereClause(SyntaxTreeBuilder.java:1013) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.SubSelect(SyntaxTreeBuilder.java:416) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1965) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2451) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2361) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.WhereClause(SyntaxTreeBuilder.java:1013) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.SubSelect(SyntaxTreeBuilder.java:416) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1965) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2451) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2361) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2056) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.WhereClause(SyntaxTreeBuilder.java:1013) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.SelectQuery(SyntaxTreeBuilder.java:377) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.Query(SyntaxTreeBuilder.java:328) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.QueryContainer(SyntaxTreeBuilder.java:216) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.parseQuery(SyntaxTreeBuilder.java:32) at com.bigdata.rdf.sail.sparql.Bigdata2ASTSPARQLParser.parseQuery2(Bigdata2ASTSPARQLParser.java:336) ... 7 more

</body> </html>).

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.

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Wikimedia, Wikidata
The London Connection
tunnel, power cable, United Kingdom,

Location: 51.526, -0.172, KML, Cluster Map, Maps,
140 places

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Park 20 ARP Bunker ⓘ
ARP post in Blackheath Standard, Greenwich
Ashley Road Deep Shelter ⓘ
air-raid shelter in Epsom, Surrey, UK
Bexley Emergency Centre ⓘ
civil defence centre in London, UK
Camden Borough Control ⓘ
civil defence centre in London, UK
Carshalton Park Air Raid Shelter ⓘ
air-raid shelter in Carshalton, London
Cheam South West London Group Control ⓘ
civil defence centre in London, UK
Chislehurst South East London Group Control ⓘ
civil defence centre in London, UK
Clapham South deep level shelter ⓘ
Deep shelter under Clapham South tube station
Dagenham Borough Control ⓘ
civil defence centre in London, UK
Dartford Emergency Centre ⓘ
civil defence centre in Kent
East Ham Borough Control ⓘ
civil defence centre in London, UK
Edmonton Borough Control Site 1 ⓘ
civil defence centre in London, UK
Edmonton Borough Control Site 2 ⓘ
civil defence centre in London, UK
Finchley Borough Control ⓘ
civil defence centre in London
Finsbury Borough Control ⓘ
civil defence centre in
Hackney Air Raid Precaution Centre ⓘ
air-raid shelter in Hackney, London, England, UK
Hackney WW2 ARP Control and Post War Borough Control ⓘ
civil defence centre in London
Hayes Sub Area Control ⓘ
civil defence centre in London
Hillingdon Borough Control ⓘ
civil defence centre in London
King William Street tube station ⓘ
former C&SLR Station in Central London: the First Deep Level Tube Station
Lippitts Hill Anti-Aircraft Operations Room ⓘ
architectural structure in Waltham Abbey, Epping Forest, Essex, England, UK
Middlesex County Control ⓘ
civil defence centre in
Mill Hill North West London Group Control ⓘ
civil defence centre in London
Northolt Sub Control ⓘ
civil defence centre in London
Oxgate Admiralty Citadel ⓘ
military bunker in north London, England: now privately owned
Paddington Borough Control ⓘ
civil defence centre in London
Paddock ⓘ
alternative Cabinet War Room bunker for Winston Churchill
Pear Tree House ⓘ
former nuclear control centre
Richmond Borough Emergency Centre ⓘ
civil defence centre in London
Southall London North West Group War HQ ⓘ
civil defence centre in London
Southwark Borough Control ⓘ
civil defence centre in London
St Albans City and District Council Emergency Centre ⓘ
civil defence centre in Hertfordshire
St Leonard's Court Air Raid Shelter ⓘ
air-raid shelter in Richmond upon Thames, London, England, UK
St Pancras Borough Control ⓘ
civil defence centre in London
Stoke Newington Borough Control ⓘ
civil defence centre in London
Stoke Newington Borough Control and Hackney Borough Control 2nd Site ⓘ
civil defence centre in London
Stratford Newham Borough Council Control ⓘ
civil defence centre in London
Tottenham Borough Control ⓘ
civil defence centre in London
Tower Hamlets Borough Control ⓘ
civil defence centre in London
Upminster Report Centre ⓘ
WW2 civil defence centre in Upminster, London, England, UK
Uxbridge Anti-Aircraft Operations Room ⓘ
British air defence bunker
Walton on Thames Sub Control ⓘ
civil defence centre in Surrey
Watford Royal Observer Corps Group Headquarters ⓘ
British Cold War command centre in Hertfordshire
Woolwich Sub Control ⓘ
civil defence centre in Woolwich
One Tree Hill Air Raid Shelter ⓘ
WW2 civilian air raid shelter in Greenwich Park, London
St Leonard's Court ⓘ
four-storey block of flats in East Sheen, London
Battle of Britain Bunker ⓘ
Royal Air Force WWII operations room
Coulsdon Deep Shelter ⓘ
air-raid shelter in Coulsdon, Surrey, UK
Greenwich Borough Control Bunker 51C1 ⓘ
Cold-war regional control bunker
Churchill War Rooms ⓘ
museum in London
Canal-Head Grotto ⓘ
grotto in Redbridge, London, England, UK
Chislehurst Caves ⓘ
chalk quarry tunnels in Chislehurst, Bromley, London
Grotto ⓘ
grotto in Redbridge, London, England, UK
Grotto About 70 Metres North East Of Dancers Hill House ⓘ
grotto in South Mimms, Hertsmere, Hertfordshire, England, UK
Grotto At High Elms Country Park ⓘ
grotto in Bromley, London, England, UK
Grotto At Lippittshill Lodge ⓘ
grotto in Waltham Abbey, Epping Forest, Essex, England, UK
Grotto In Grounds Of Hampton Court House ⓘ
grotto in London Borough of Richmond upon Thames, London, England, UK
Grotto Or Shell House In The Grounds Of Thames Eyot ⓘ
grotto in London Borough of Richmond upon Thames, London, England, UK
Grotto To North End Of Lake In Claremont Landscape Garden ⓘ
grotto in Elmbridge, Surrey, England, UK
Jack Cade's Cavern ⓘ
cavern southeast of London
Pope's Grotto in Grounds of St Catherine's High School ⓘ
structure in Twickenham, London Borough of Richmond upon Thames, United Kingdom
The Grotto ⓘ
grotto in Redbridge, London, England, UK
Castle Lime Works Quarry ⓘ
Site of Special Scientific Interest in Hertfordshire
Harefield Pit ⓘ
Site of Special Scientific Interest in Harefield, London
Moor Mill Quarry, West ⓘ
Site of Special Scientific Interest in Hertfordshire
Purfleet Chalk Pits ⓘ
Site of Special Scientific Interest in Purfleet in Essex
Stocker's Lake ⓘ
artificial lake in Hertfordshire/Greater London, England, UK
Westwood Quarry ⓘ
Site of Special Scientific Interest in Hertfordshire, England, UK
Wraysbury and Hythe End Gravel Pits ⓘ
Bankside–Charing Cross cable tunnel ⓘ
utility tunnel in London, England, UK
Barnet Tunnel ⓘ
railway tunnel in the UK
Bell Common Tunnel ⓘ
road tunnel in Great Britain, part of M25 motorway
Belsize Tunnel ⓘ
railway tunnel in the UK
Belvedere Crossing ⓘ
proposed River Thames crossing in East London
Blackwall Tunnel (western) ⓘ
western tunnel of Blackwall Tunnel
Canal Tunnels ⓘ
thameslink public works near St Pancras
Deptford cable tunnel ⓘ
utility tunnel in London, England, UK
Elstree to St. John's Wood Cable Tunnel ⓘ
power cable tunnel in north London
Euston Tunnel ⓘ
twin-bore tunnel for HS2 railway
Gasworks Tunnel ⓘ
East Coast Main Line section near King's Cross, London
Gerrards Cross Tunnel ⓘ
railway tunnel in Gerrards Cross, Buckinghamshire
Hadley Wood North Tunnel ⓘ
railway tunnel in the UK
Hadley Wood South Tunnel ⓘ
railway tunnel in the UK
Heathrow Airside Road Tunnel ⓘ
tunnel at London Heathrow Airport
Heathrow Cargo Tunnel ⓘ
road tunnel in Heathrow that serves London Heathrow Airport
Highgate East Tunnel ⓘ
railway tunnel in the UK
Kingsway tramway subway ⓘ
Camden, Greater London, WC1B
Limehouse Link tunnel ⓘ
Road tunnel under Limehouse in East London
Maida Hill Tunnel ⓘ
canal tunnel in the UK
Merstham tunnels ⓘ
pair of railway tunnels at Merstham, Surrey, UK
Northolt tunnel ⓘ
twin-bore tunnel for HS2 railway
Paxton Tunnel ⓘ
Disused railway tunnel in Crystal Palace, Upper Norwood
Pedestrian Subway Under Crystal Palace Parade (That Part In London Borough Of Southwark) ⓘ
subway in Bromley, Greater London, UK
Ponsbourne Tunnel ⓘ
railway tunnel in the UK
Sandilands Tunnel ⓘ
former railway tunnel, now tram tunnel, in Croydon, London, UK
Silvertown Tunnel ⓘ
road tunnel under the Thames
Snow Hill Tunnel ⓘ
railway tunnel in London
South Kensington Subway ⓘ
pedestrian tunnel in Kensington and Chelsea, London, England, UK
Strand Underpass ⓘ
vehicle tunnel in central London connecting Waterloo Bridge to Kingsway near Holborn
Thames Water Ring Main ⓘ
London water supply infrastructure
The Nursemaids' Tunnel ⓘ
tunnel in Regent's Park, London, UK
Tower Subway ⓘ
1870 tunnel under the Thames
Waterloo & City Line ⓘ
London Underground line
Waterloo and Whitehall Railway ⓘ
1860s partly constructed pneumatic railway in London, England
Watford Tunnels ⓘ
pair of railway tunnels in Hertfordshire, England
West Portal And Islington Tunnel (Regents Canal) ⓘ
tunnel in Islington, London, England, UK
Woolwich foot tunnel ⓘ
tunnel under the River Thames in East London
Eyre's Tunnel ⓘ
short canal tunnel on the Regent's Canal that passes under Lisson Grove in St John's Wood, north London
Islington Tunnel ⓘ
Tunnel on the Regent's Canal
Watford West Tunnel ⓘ
one of a pair of railway tunnels in Hertfordshire, England
Primrose Hill Tunnel ⓘ
railway tunnel in Camden, Greater London
Thames Tunnel ⓘ
tunnel beneath the River Thames in London
Copenhagen Tunnel ⓘ
Triple bore, six track railway tunnel linking London King's Cross, and Belle Isle.
Watford East Tunnel ⓘ
one of a pair of railway tunnels in Hertfordshire, England
City & South London Railway tunnels ⓘ
tunnel under Thames
Blackwall Tunnel ⓘ
pair of road tunnels underneath the River Thames
Waterloo & City line tunnels ⓘ
tunnel for Waterloo & City line under the Thames
Greenwich foot tunnel ⓘ
tunnel under the river Thames in London
Northern Line (Bank branch) tunnels ⓘ
tunnel carrying Northern Line under the Thames between London Bridge and Bank stations
Bakerloo line tunnels ⓘ
tunnel carrying Bakerloo line under the Thames
Rotherhithe Tunnel ⓘ
tunnel in London, England, UK
Barking cable tunnel ⓘ
Battersea exhaust tunnels ⓘ
Northern line (Charing Cross branch) tunnels ⓘ
tunnels carrying the Northern Line under the Thames
Bankside Cable Tunnel ⓘ
Blackwall Tunnel (eastern) ⓘ
eastern tunnel of Blackwall Tunnel
Victoria line tunnels ⓘ
tunnels carrying Victoria line under the Thames
Rainham Creek Culvert ⓘ
Culvert of Rainham Creek at River Thames outfall
Wimbledon – Pimlico cable tunnel ⓘ
Docklands Light Railway tunnel ⓘ
tunnel under the Thames between Island Gardens and Cutty Sark stations
Isle of Dogs Jubilee line tunnels ⓘ
tunnels carrying the Jubilee line under the Thames between Canary Wharf and North Greenwich stations
Jubilee Line Extension tunnels ⓘ
tunnels carrying the Jubilee line under the Thames
Jubilee line tunnels ⓘ
tunnels carrying the Jubilee line under the Thames between North Greenwich and Canning Town stations
Jubilee line tunnels ⓘ
tunnels carrying the Jubilee line under the Thames between Canada Water and Canary Wharf
Battersea steam tunnel ⓘ
Dartford Cable Tunnel ⓘ
tunnel in the United Kingdom
Docklands Light Railway tunnel ⓘ
tunnel for Docklands Light Railway under Thames
Crossrail tunnels ⓘ
tunnels carrying Crossrail under the Thames
King’s Cross Light Tunnel ⓘ
artwork in King’s Cross, London
New Cross to Finsbury Market cable tunnel ⓘ
utility tunnel in London, England, UK

1938-01-01T00:00:00Z

1946-01-01T00:00:00Z

1938 — 1946 One Tree Hill Air Raid Shelter

1938-01-01T00:00:00Z

1938 St Leonard's Court

1939-08-01T00:00:00Z

1939 Battle of Britain Bunker

1941-01-01T00:00:00Z

1941 Coulsdon Deep Shelter

1954-01-01T00:00:00Z

1954 Greenwich Borough Control Bunker 51C1

1984-01-01T00:00:00Z

1984 Churchill War Rooms

1816-01-01T00:00:00Z

1816 Eyre's Tunnel

1818-01-01T00:00:00Z

1818 Islington Tunnel

1837-01-01T00:00:00Z

1837 Watford West Tunnel

1838-01-01T00:00:00Z

1838 Primrose Hill Tunnel

1843-01-01T00:00:00Z

1843 Thames Tunnel

1850-01-01T00:00:00Z

1850 Copenhagen Tunnel

1874-01-01T00:00:00Z

1874 Watford East Tunnel

1890-01-01T00:00:00Z

1890 City & South London Railway tunnels

1897-01-01T00:00:00Z

1897 Blackwall Tunnel

1898-01-01T00:00:00Z

1898 Waterloo & City line tunnels

1899-01-01T00:00:00Z

1899 Greenwich foot tunnel

1900-01-01T00:00:00Z

1900 Northern Line (Bank branch) tunnels

1906-01-01T00:00:00Z

1906 Bakerloo line tunnels

1908-06-12T00:00:00Z

1908 Rotherhithe Tunnel

1920-01-01T00:00:00Z

1920 Barking cable tunnel

1920-01-01T00:00:00Z

1920 Battersea exhaust tunnels

1926-01-01T00:00:00Z

1926 Northern line (Charing Cross branch) tunnels

1940-01-01T00:00:00Z

1940 Bankside Cable Tunnel

1967-08-02T00:00:00Z

1967 Blackwall Tunnel (eastern)

1971-01-01T00:00:00Z

1971 Victoria line tunnels

1976-01-01T00:00:00Z

1976 Rainham Creek Culvert

1996-01-01T00:00:00Z

1996 Wimbledon – Pimlico cable tunnel

1999-01-01T00:00:00Z

1999 Docklands Light Railway tunnel

1999-01-01T00:00:00Z

1999 Isle of Dogs Jubilee line tunnels

1999-01-01T00:00:00Z

1999 Jubilee Line Extension tunnels

1999-01-01T00:00:00Z

1999 Jubilee line tunnels

1999-01-01T00:00:00Z

1999 Jubilee line tunnels

2000-01-01T00:00:00Z

2000 Battersea steam tunnel

2005-01-01T00:00:00Z

2005 Dartford Cable Tunnel

2009-01-01T00:00:00Z

2009 Docklands Light Railway tunnel

2014-01-01T00:00:00Z

2014 Crossrail tunnels

2016-01-01T00:00:00Z

2016 King’s Cross Light Tunnel

2017-01-01T00:00:00Z

2017 New Cross to Finsbury Market cable tunnel

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Frameless

Type	Subtype	Date	Description	Notes	Source

classes	subterranea	1971	British Tunnelling Society	subterranea, learned society, tunnel construction	Wikidata
organisation	business	1904	The Huelva Copper and Sulphur Mines	mining, business	Wikidata
organisation	organisation	1984	Historic England	restoration, non-departmental public body	Wikidata
site	bunker		Park 20 ARP Bunker	bunker	Wikidata
site	bunker		Ashley Road Deep Shelter	air-raid shelter	Wikidata
site	bunker		Bexley Emergency Centre	civil defense center, London Borough of Bexley	Wikidata
site	bunker		Camden Borough Control	civil defense center, London Borough of Camden	Wikidata
site	bunker		Carshalton Park Air Raid Shelter	air-raid shelter	Wikidata
site	bunker		Cheam South West London Group Control	civil defense center	Wikidata
site	bunker		Chislehurst South East London Group Control	civil defense center	Wikidata
site	bunker		Clapham South deep level shelter	bomb shelter, underground structure, London deep-level shelters, architectural structure, building	Wikidata
site	bunker		Dagenham Borough Control	civil defense center, London Borough of Barking and Dagenham	Wikidata
site	bunker		Dartford Emergency Centre	civil defense center, Dartford Borough Council	Wikidata
site	bunker		East Ham Borough Control	East Ham, civil defense center	Wikidata
site	bunker		Edmonton Borough Control Site 1	civil defense center, London Borough of Enfield	Wikidata
site	bunker		Edmonton Borough Control Site 2	civil defense center, London Borough of Enfield	Wikidata
site	bunker		Finchley Borough Control	civil defense center, London Borough of Barnet	Wikidata
site	bunker		Finsbury Borough Control	civil defense center, Metropolitan Borough of Finsbury	Wikidata
site	bunker		Hackney Air Raid Precaution Centre	air-raid shelter	Wikidata
site	bunker		Hackney WW2 ARP Control and Post War Borough Control	civil defense center, London Borough of Hackney	Wikidata
site	bunker		Hayes Sub Area Control	civil defense center, London Borough of Hillingdon	Wikidata
site	bunker		Hillingdon Borough Control	civil defense center, London Borough of Hillingdon	Wikidata
site	bunker		King William Street tube station	metro station, underground station, air-raid shelter, railway station	Wikidata
site	bunker		Lippitts Hill Anti-Aircraft Operations Room	bunker	Wikidata
site	bunker		Middlesex County Control	civil defense center, Middlesex County Council	Wikidata
site	bunker		Mill Hill North West London Group Control	civil defense center, London Borough of Haringey, London Borough of Enfield, London Borough of Islington, London Borough of Camden, City of Westminster, London Borough of Barnet, City of London	Wikidata
site	bunker		Northolt Sub Control	civil defense center, London Borough of Ealing	Wikidata
site	bunker		Oxgate Admiralty Citadel	bunker	Wikidata
site	bunker		Paddington Borough Control	civil defense center	Wikidata
site	bunker		Paddock	bunker	Wikidata
site	bunker		Pear Tree House	Royal Borough of Greenwich, apartment building, civil defense center, London Borough of Lewisham, London Borough of Bromley, London Borough of Bexley, London Borough of Croydon, bunker	Wikidata
site	bunker		Richmond Borough Emergency Centre	civil defense center, London Borough of Richmond upon Thames	Wikidata
site	bunker		Southall London North West Group War HQ	civil defense center, London Borough of Ealing	Wikidata
site	bunker		Southwark Borough Control	civil defense center, London Borough of Southwark	Wikidata
site	bunker		St Albans City and District Council Emergency Centre	St Albans City and District Council, civil defense center	Wikidata
site	bunker		St Leonard's Court Air Raid Shelter	air-raid shelter	Wikidata
site	bunker		St Pancras Borough Control	civil defense center	Wikidata
site	bunker		Stoke Newington Borough Control	civil defense center	Wikidata
site	bunker		Stoke Newington Borough Control and Hackney Borough Control 2nd Site	civil defense center, London Borough of Hackney	Wikidata
site	bunker		Stratford Newham Borough Council Control	civil defense center, London Borough of Newham	Wikidata
site	bunker		Tottenham Borough Control	civil defense center	Wikidata
site	bunker		Tower Hamlets Borough Control	civil defense center, London Borough of Tower Hamlets	Wikidata
site	bunker		Upminster Report Centre	civil defense center	Wikidata
site	bunker		Uxbridge Anti-Aircraft Operations Room	Royal Air Force, bunker	Wikidata
site	bunker		Walton on Thames Sub Control	Elmbridge Borough Council, civil defense center	Wikidata
site	bunker		Watford Royal Observer Corps Group Headquarters	Royal Observer Corps, bunker	Wikidata
site	bunker		Woolwich Sub Control	civil defense center	Wikidata
site	bunker	1938	One Tree Hill Air Raid Shelter	destroyed building or structure, air-raid shelter	Wikidata
site	bunker	1938	St Leonard's Court	revenue house, air-raid shelter	Wikidata
site	bunker	1939	Battle of Britain Bunker	military museum, bunker	Wikidata
site	bunker	1941	Coulsdon Deep Shelter	air-raid shelter	Wikidata
site	bunker	1954	Greenwich Borough Control Bunker 51C1	Royal Borough of Greenwich, civil defense center	Wikidata
site	bunker	1984	Churchill War Rooms	national museum, biographical museum, military museum, architectural structure, bunker	Wikidata
site	cave		Canal-Head Grotto	grotto	Wikidata
site	cave		Chislehurst Caves	show cave	Wikidata
site	cave		Grotto	grotto	Wikidata
site	cave		Grotto About 70 Metres North East Of Dancers Hill House	grotto	Wikidata
site	cave		Grotto At High Elms Country Park	grotto	Wikidata
site	cave		Grotto At Lippittshill Lodge	grotto	Wikidata
site	cave		Grotto In Grounds Of Hampton Court House	grotto	Wikidata
site	cave		Grotto Or Shell House In The Grounds Of Thames Eyot	grotto	Wikidata
site	cave		Grotto To North End Of Lake In Claremont Landscape Garden	grotto	Wikidata
site	cave		Jack Cade's Cavern	cavern	Wikidata
site	cave		Pope's Grotto in Grounds of St Catherine's High School	grotto	Wikidata
site	cave		The Grotto	grotto	Wikidata
site	mine		Castle Lime Works Quarry	quarry	Wikidata
site	mine		Harefield Pit	chalk quarry	Wikidata
site	mine		Moor Mill Quarry, West	quarry	Wikidata
site	mine		Purfleet Chalk Pits	chalk quarry	Wikidata
site	mine		Stocker's Lake	artificial lake, gravel pit	Wikidata
site	mine		Westwood Quarry	Site of Special Scientific Interest, quarry	Wikidata
site	mine		Wraysbury and Hythe End Gravel Pits	gravel pit	Wikidata
site	tunnel		Bankside–Charing Cross cable tunnel	utility tunnel	Wikidata
site	tunnel		Barnet Tunnel	railway tunnel	Wikidata
site	tunnel		Bell Common Tunnel	road tunnel	Wikidata
site	tunnel		Belsize Tunnel	railway tunnel	Wikidata
site	tunnel		Belvedere Crossing	abandoned proposed road, road tunnel, proposed building or structure	Wikidata
site	tunnel		Blackwall Tunnel (western)	road tunnel	Wikidata
site	tunnel		Canal Tunnels	railway tunnel	Wikidata
site	tunnel		Deptford cable tunnel	utility tunnel	Wikidata
site	tunnel		Elstree to St. John's Wood Cable Tunnel	power cable, tunnel	Wikidata
site	tunnel		Euston Tunnel	proposed rail infrastructure, railway tunnel	Wikidata
site	tunnel		Gasworks Tunnel	railway tunnel	Wikidata
site	tunnel		Gerrards Cross Tunnel	railway tunnel	Wikidata
site	tunnel		Hadley Wood North Tunnel	railway tunnel	Wikidata
site	tunnel		Hadley Wood South Tunnel	railway tunnel	Wikidata
site	tunnel		Heathrow Airside Road Tunnel	road tunnel	Wikidata
site	tunnel		Heathrow Cargo Tunnel	road tunnel, Heathrow Airport Holdings Limited	Wikidata
site	tunnel		Highgate East Tunnel	railway tunnel	Wikidata
site	tunnel		Kingsway tramway subway	tramway tunnel	Wikidata
site	tunnel		Limehouse Link tunnel	road tunnel, TfL, road	Wikidata
site	tunnel		Maida Hill Tunnel	canal tunnel	Wikidata
site	tunnel		Merstham tunnels	railway tunnel	Wikidata
site	tunnel		Northolt tunnel	high-speed railway tunnel	Wikidata
site	tunnel		Paxton Tunnel	railway tunnel	Wikidata
site	tunnel		Pedestrian Subway Under Crystal Palace Parade (That Part In London Borough Of Southwark)	subway	Wikidata
site	tunnel		Ponsbourne Tunnel	railway tunnel	Wikidata
site	tunnel		Sandilands Tunnel	tramway tunnel	Wikidata
site	tunnel		Silvertown Tunnel	road tunnel	Wikidata
site	tunnel		Snow Hill Tunnel	railway tunnel	Wikidata
site	tunnel		South Kensington Subway	pedestrian tunnel	Wikidata
site	tunnel		Strand Underpass	road tunnel	Wikidata
site	tunnel		Thames Water Ring Main	water pipe, tunnel	Wikidata
site	tunnel		The Nursemaids' Tunnel	subway	Wikidata
site	tunnel		Tower Subway	pedestrian tunnel, tube railway, utility tunnel	Wikidata
site	tunnel		Waterloo & City Line	rapid transit railway line, ELR railway line section, subway tunnel, Southern Railway, TfL, London and South Western Railway	Wikidata
site	tunnel		Waterloo and Whitehall Railway	proposed rail infrastructure, abandoned project, tunnel	Wikidata
site	tunnel		Watford Tunnels	Network Rail, London and North Western Railway, London, Midland and Scottish Railway, British Rail, London and Birmingham Railway, railway tunnel, Railtrack	Wikidata
site	tunnel		West Portal And Islington Tunnel (Regents Canal)	canal tunnel, portal	Wikidata
site	tunnel		Woolwich foot tunnel	pedestrian tunnel, Royal Borough of Greenwich	Wikidata
site	tunnel	1816	Eyre's Tunnel	canal tunnel	Wikidata
site	tunnel	1818	Islington Tunnel	canal tunnel	Wikidata
site	tunnel	1837	Watford West Tunnel	Network Rail, London and North Western Railway, London, Midland and Scottish Railway, British Rail, London and Birmingham Railway, railway tunnel, Railtrack	Wikidata
site	tunnel	1838	Primrose Hill Tunnel	railway tunnel	Wikidata
site	tunnel	1843	Thames Tunnel	railway tunnel	Wikidata
site	tunnel	1850	Copenhagen Tunnel	railway tunnel	Wikidata
site	tunnel	1874	Watford East Tunnel	London, Midland and Scottish Railway, British Rail, London and Birmingham Railway, railway tunnel, Railtrack, Network Rail, London and North Western Railway	Wikidata
site	tunnel	1890	City & South London Railway tunnels	railway tunnel	Wikidata
site	tunnel	1897	Blackwall Tunnel	architectural structure, road tunnel	Wikidata
site	tunnel	1898	Waterloo & City line tunnels	railway tunnel	Wikidata
site	tunnel	1899	Greenwich foot tunnel	Greenwich London Borough Council, pedestrian tunnel	Wikidata
site	tunnel	1900	Northern Line (Bank branch) tunnels	railway tunnel	Wikidata
site	tunnel	1906	Bakerloo line tunnels	railway tunnel	Wikidata
site	tunnel	1908	Rotherhithe Tunnel	pedestrian tunnel, road tunnel	Wikidata
site	tunnel	1920	Barking cable tunnel	utility tunnel	Wikidata
site	tunnel	1920	Battersea exhaust tunnels	utility tunnel	Wikidata
site	tunnel	1926	Northern line (Charing Cross branch) tunnels	railway tunnel	Wikidata
site	tunnel	1940	Bankside Cable Tunnel	utility tunnel	Wikidata
site	tunnel	1967	Blackwall Tunnel (eastern)	road tunnel	Wikidata
site	tunnel	1971	Victoria line tunnels	railway tunnel	Wikidata
site	tunnel	1976	Rainham Creek Culvert	buried watercourse	Wikidata
site	tunnel	1996	Wimbledon – Pimlico cable tunnel	utility tunnel	Wikidata
site	tunnel	1999	Docklands Light Railway tunnel	railway tunnel	Wikidata
site	tunnel	1999	Isle of Dogs Jubilee line tunnels	railway tunnel	Wikidata
site	tunnel	1999	Jubilee Line Extension tunnels	railway tunnel	Wikidata
site	tunnel	1999	Jubilee line tunnels	railway tunnel	Wikidata
site	tunnel	1999	Jubilee line tunnels	railway tunnel	Wikidata
site	tunnel	2000	Battersea steam tunnel	utility tunnel	Wikidata
site	tunnel	2005	Dartford Cable Tunnel	utility tunnel, National Grid Electricity Transmission	Wikidata
site	tunnel	2009	Docklands Light Railway tunnel	railway tunnel	Wikidata
site	tunnel	2014	Crossrail tunnels	railway tunnel	Wikidata
site	tunnel	2016	King’s Cross Light Tunnel	subway tunnel, pedestrian tunnel, installation artwork	Wikidata
site	tunnel	2017	New Cross to Finsbury Market cable tunnel	utility tunnel	Wikidata

Elstree to St. John's Wood Cable Tunnel

From Underfoot

Q84557580

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