 A disused railway tunnel now converted to pedestrian and bicycle use, near Houyet, Belgium A tunnel is an underground passage. The definition of what constitutes a tunnel is not universally agreed upon. However, in general tunnels are at least twice as long as they are wide. In addition, they should be completely enclosed on all sides, save for the openings at each end. Disused railway tunnel now converted to pedestrian and bicycle use, near Houyet, Belgium. ...
Disused railway tunnel now converted to pedestrian and bicycle use, near Houyet, Belgium. ...
Houyet is a municipality located in the Belgian province of Namur. ...
A tunnel may be for pedestrians or cyclists, for general road traffic, for motor vehicles only, for rail traffic, or for a canal. Some are aqueducts, constructed purely for carrying water — for consumption, for hydroelectric purposes or as sewers — while others carry other services such as telecommunications cables. There are even tunnels designed as wildlife crossings for European badgers and other endangered species. Some secret tunnels have also been made as a method of entrance or escape from an area, such as the Cu Chi Tunnels. Look up Pedestrian in Wiktionary, the free dictionary. ...
A cyclist is a person who engages in cycling whether as a sport or rides a bicycle for recreation or transportation. ...
Nighttime traffic captured by a camera over several seconds. ...
Railway tracks running through a railway station in North East England A railway yard in Portland, Oregon. ...
The Canal du Midi, Toulouse, France Canals are man-made channels for water. ...
Pont du Gard, France, a Roman aqueduct built circa 19 BC. It is one of Frances top tourist attractions and a World Heritage Site. ...
A water supply system provides water to the locations that need it. ...
Hydroelectric dam diagram The waters of Llyn Stwlan, the upper reservoir of the Ffestiniog Pumped-Storage Scheme in north Wales, can just be glimpsed on the right. ...
Sewers transport wastewater from buildings to treatment facilities. ...
Telecommunication involves the transmission of signals over a distance for the purpose of communication. ...
Wildlife crossings reconnnect habitats, allowing animals to cross roads safely. ...
Binomial name Meles meles (Linnaeus, 1758) The European Badger (Meles meles) is a member of the Mustelidae family, and so is related to the stoats, otters, weasels, minks and other badgers. ...
The critically endangered Siberian Tiger, a rare subspecies of tiger. ...
Secret passages are sometimes concealed using large items of furniture, such as this reconstruction of the bookcase that covered the entrance to Anne Franks secret room. ...
Part of the tunnel complex at Cu Chi. ...
In the United Kingdom a pedestrian tunnel or other underpass beneath a road is called a subway. This term was also used in the past in the United States, but is now used to refer to underground rapid transit systems. A pedestrian and cyclist subway under a main road in the United Kingdom A sign in London prohibiting vehicles weighing over 17 tonnes from passing over a subway not designed to carry such loads In British English the term subway normally refers to a specially constructed underpass for pedestrians and...
For lower capacity public transit systems, see tram, light rail, bus, and bus rapid transit. ...
The longest canal tunnel is the Standedge Tunnel in the United Kingdom, which stretches over three miles. The tunnel entrance at Marsden The Standedge Tunnels (Standedge is normally pronounced Stannige) are four parallel tunnels that run beneath the Pennines at the traditional Standedge crossing point between Marsden and Diggle, on the edges of the conurbations of West Yorkshire and Greater Manchester respectively, in northern England. ...
 Colorful pedestrian Light Tunnel connecting two terminals in Detroit's DTW airport. The central part of a rapid transit network is usually built in tunnels. To allow non-level crossings, some lines run in deeper tunnels than others. At metro stations there are usually pedestrian tunnels from one platform to another. Often, ground-level railway stations also have one or more pedestrian tunnels under the railway to enable passengers to reach the platforms without having to walk across the tracks. However, in the United Kingdom bridges are an equally popular method of pedestrian access between two or more different railway station platforms. Image File history File links Download high resolution version (3008x2000, 872 KB) Summary Photo of the pedestrian, Light Tunnel at Detroits DTW airport. ...
Image File history File links Download high resolution version (3008x2000, 872 KB) Summary Photo of the pedestrian, Light Tunnel at Detroits DTW airport. ...
Old DTW Airport Layout Showing The Edward H. McNamara Terminal Detroits colorful Light Tunnel connecting Concourse A with Concourse B/C in the McNamara Terminal Edward H. McNamara Terminal The McNamara Terminal ExpressTram is used to transport passengers from one end of the terminal to the other Detroit Metropolitan...
Image File history File linksMetadata Size of this preview: 800 × 600 pixel Image in higher resolution (2048 × 1536 pixel, file size: 470 KB, MIME type: image/jpeg) The view of the tunnels along the North East Line, as the train is heading northwards towards Punggol Terminal. ...
Image File history File linksMetadata Size of this preview: 800 × 600 pixel Image in higher resolution (2048 × 1536 pixel, file size: 470 KB, MIME type: image/jpeg) The view of the tunnels along the North East Line, as the train is heading northwards towards Punggol Terminal. ...
Doors of the NEL Train, showing the system map above them. ...
A railway platform is a section of pathway, alongside rail tracks at a train station, metro station or tram stop, at which passengers may board or alight from trains or trams. ...
Passengers bustle around the typical grand edifice of Londons Broad Street station in 1865. ...
Passengers bustle around the typical grand edifice of Londons Broad Street Station in 1865. ...
Construction Tunnels are dug in various types of materials, from soft clays to hard rocks, and the method of excavation heavily depends on the ground conditions. Tunnel boring machine at the construction of Yucca Mountain. ...
Tunnel boring machine at the construction of Yucca Mountain. ...
Yucca Mountain Yucca Mountain is a ridge-line in Nye County, Nevada, composed of volcanic material (mostly tuff) ejected from a now-extinct caldera-forming supervolcano. ...
This article does not adequately cite its references or sources. ...
Image File history File linksMetadata Download high resolution version (2272x1704, 1183 KB) Summary Eastern tube in the Gotthard Base Tunnel at the Amsteg construction site. ...
Image File history File linksMetadata Download high resolution version (2272x1704, 1183 KB) Summary Eastern tube in the Gotthard Base Tunnel at the Amsteg construction site. ...
The new Gotthard Base Tunnel together with the Zimmerberg Base tunnel form the northern part of the Gotthard axis of the Alptransit project (yellow: major tunnels, red: existing main tracks, numbers: year of completion) The Gotthard Base Tunnel (GBT) is a railway tunnel under construction in Switzerland. ...
Cut-and-cover is a simple method of construction for shallow tunnels where a trench is excavated and roofed over. Strong supporting beams are necessary to avoid the danger of the tunnel collapsing. A trench is a long narrow ditch. ...
A roof tiled in imitation of thatch at Croyde, north Devon, England Rooftops in Vietnam Snow on the roof The roof, the top covering of a building, is one of the universal structures found on all buildings. ...
Shallow tunnels are often of the cut-and-cover type (if under water of the immersed-tube type), while deep tunnels are excavated, often using a tunnelling shield. For intermediate levels, both methods are possible. A tunnelling shield is a protective structure used in the excavation of tunnels through soil that is too soft or fluid to remain stable during the time it takes to line the tunnel with a support structure of concrete or steel. ...
Boring machines Tunnel-boring machines (TBMs) can be used to automate the entire tunneling process. There are a variety of TBMs that can operate in a variety of conditions. One type of TBM, called an earth-pressure balance machine, can be used deep below the water table. This pressurizes the cutter head with air or another fluid in order to balance the water pressure. As a result operators of the TBM must go through decompression chambers, much like divers.
Until recently the biggest TBM built was used to bore the Green Heart Tunnel (Dutch: Tunnel Groene Hart) as part of the HSL-Zuid in the Netherlands. Its diameter is 14.87 m. [1] A tunnel boring machine that was used at Yucca Mountain. ...
Cross section showing the water table varying with surface topography as well as a perched water table The water table or phreatic surface is the surface where the water pressure is equal to atmospheric pressure. ...
The Hogesnelheidslijn Zuid usually shortened to HSL-Zuid, is a Dutch high-speed train line under construction (completion expected in 2007). ...
Nowadays 4 even larger machines exist: 2 for the M30 ringroad in Madrid, Spain, 2 for the Chong Ming tunnels in Shanghai, China. These machines are 15,2m and 15,4m in diameter respectively. The two machines for Spain were built by Mitsubishi/Dura Fuelgo and Herrenknecht [2]. The TBMs for China were built by Herrenkncht.
NATM The New Austrian Tunneling Method (NATM) was developed in the 1960s. The main idea of this method is to use the geological stress of the surrounding rock mass to stabilize the tunnel itself. Based on geotechnical measurements, an optimal cross section is computed. The excavation is immediately protected by thin shotcrete, just behind the excavation. This creates a natural load-bearing ring, which minimizes the rock's deformation. The New Austrian Tunneling method (NATM) was developed between 1957 and 1965 in Austria. ...
Stress is the internal distribution of force per unit area that balances and reacts to external loads applied to a body. ...
The rocky side of a mountain creek near OrosÃ, Costa Rica. ...
Unsolved problems in physics: What causes anything to have mass? The U.S. National Prototype Kilogram, which currently serves as the primary standard for measuring mass in the U.S. Mass is the property of a physical object that quantifies the amount of matter and energy it is equivalent to. ...
Geotechnical engineering is concerned with the engineering properties of earth materials. ...
In geometry, a cross section is the intersection of a body in 3-dimensional space with a plane, or of a body in 2-dimensional space with a line, etc. ...
Shotcrete and gunite are two commonly used terms for sprayed concrete. ...
In engineering mechanics, deformation is a change in shape due to an applied force. ...
By special monitoring the NATM method is very flexible, even at surprising changes of the geomechanical rock consistency during the tunneling work. The measured rock properties lead to appropriate tools for tunnel strengthening. In the last decades also soft ground excavations up to 10 km became usual. To monitor or monitoring may mean: to observe a situation for any changes which may occur over time, using a monitor or measuring device of some sort: Baby monitor, medical monitor, Heart rate monitor Biomonitoring Condition monitoring Network monitoring Election monitoring to observe the behaviour or communications of individuals or...
Geomechanics is the study of the engineering behaviour of soil and rock. ...
This article is about a tool used as a piece of equipment. ...
It has been suggested that Tensile strength be merged into this article or section. ...
Pipe jacking Pipe Jacking, also known as pipejacking or pipe-jacking, is a method of tunnel construction where hydraulic jacks are used to push specially made pipes through the ground behind a tunnel boring machine or shield.
Underwater tunnels There are also several approaches to underwater tunnels, for instance an immersed tube as in Sydney Harbour. An Immersed tube is a kind of underwater tunnel constructed using segments built elsewhere, floated and sunk into place, then welded together to form the tunnel. ...
The Sydney Harbour Tunnel is a tunnel in Sydney, Australia. ...
Other Other tunneling methods include: Before the advent of tunnel boring machines, drilling and blasting was the only economical way of excavating long tunnels through hard rock, where digging is not possible. ...
A shield is a protective device, meant to intercept attacks. ...
Choice of tunnels vs. bridges For water crossings, a tunnel is generally more costly to construct than a bridge. However, navigational considerations may limit the use of high bridges or drawbridge spans when intersecting with shipping channels at some locations, necessitating use of a tunnel. Additionally, bridges usually require a larger footprint on each shore than tunnels; in areas with particularly expensive real estate, such as Manhattan and urban Hong Kong, this is a strong factor in tunnels' favor. Boston's Big Dig project replaced elevated roadways with a tunnel system in order to increase traffic capacity, hide traffic, reclaim land, redecoration, and reunite the city with the waterfront. Examples of water-crossing tunnels built instead of bridges include the Holland Tunnel and Lincoln Tunnel between New Jersey and Manhattan in New York City, and the Elizabeth River tunnels between Norfolk and Portsmouth, Virginia and the Westerscheldetunnel, Zeeland, Netherlands. Other reasons for choosing a tunnel instead of a bridge are aesthetic reasons (i.e. preserve the above-ground view, landscape, and scenery), and also for weight capacity reasons (it may be more feasible to build a tunnel than a sufficiently strong bridge). Drawbridge at the fort of Ponta da Bandeira; Lagos, Portugal A drawbridge is a type of movable bridge typically associated with the entrance of a castle, but the term is often used to describe all different types of movable bridges, like bascule bridges and lift bridges. ...
The Borough of Manhattan, highlighted in yellow, lies between the East River and the Hudson River. ...
Metropolitan Highway System Big Dig is the unofficial name of the Central Artery/Tunnel Project (CA/T), a megaproject which rerouted the Central Artery (Interstate 93), the chief controlled-access highway through the heart of Boston, Massachusetts, into a 3. ...
Clifford Milburn Holland, 1919 Traveling through the Holland Tunnel, from Manhattan to New Jersey. ...
The Lincoln Tunnel is a 1. ...
Official language(s) None, English de facto Capital Trenton Largest city Newark Area Ranked 47th - Total 8,729 sq mi (22,608 km²) - Width 70 miles (110 km) - Length 150 miles (240 km) - % water 14. ...
Nickname: Big Apple, Gotham, NYC, City That Never Sleeps, The Concrete Jungle, The City So Nice They Named It Twice Location in the state of New York Coordinates: Country United States State New York Boroughs The Bronx Brooklyn Manhattan Queens Staten Island Settled 1676 Government - Mayor Michael Bloomberg (R) Area...
The Elizabeth River is a short tidal estuary forming an arm of Hampton Roads at the southern end of Chesapeake Bay in southeast Virginia in the United States. ...
Motto: Crescas (Latin for, Thou shalt grow. ...
Map Political Statistics Founded 1752 County Independent city Mayor Dr. James W. Holley III Geographic Statistics Area - Total - Land - Water 120. ...
Some water crossings are a mixture of bridges and tunnels, such as the Denmark to Sweden link and the Chesapeake Bay Bridge-Tunnel in the eastern United States. Satellite image of the Oresund Bridge. ...
Aerial view of the Chesapeake Bay Bridge-Tunnel looking south from Cape Charles, Virginia. ...
Short tunnels A short tunnel can be built as an alternative to an overpass. One example of a short tunnel is the Croom Tunnel on the Nowra, New South Wales railway line. Overpass in East Potomac Park, Washington, D.C. Flyover in Miami Beach, Florida An overpass (In UK, most Commonwealth countries flyover) is a bridge, road or similar structure that crosses over another road. ...
Nowra shops Nowra park Nowra is the commercial and main administrative centre for the City of Shoalhaven region in New South Wales, Australia. ...
Artificial Tunnels Overbridges can sometimes be built by covering a road or river or railway with brick or still arches, and then levelling the surface with earth. In railway parlance, a surface-level track which has been built or covered over is normally called a covered way.
Snow sheds are a kind of artificial tunnel built to protect a railway from avalanches of snow. Similarly the Stanwell Park, New South Wales steel tunnel, on the Nowra, New South Wales railway line, which protects the line from rockfalls. The Big Hill on the Canadian Pacific Railway main line passes through a timber snow shed. ...
Stanwell Park is a northern coastal village of the Wollongong plain, south of Sydney, Australia. ...
Capital Sydney Government Constitutional monarchy Governor Professor Marie Bashir Premier Morris Iemma (ALP) Federal representation - House seats 50 - Senate seats 12 Gross State Product (2004-05) - Product ($m) $305,437 (1st) - Product per capita $45,153/person (4th) Population (End of March 2006) - Population 6,817,100 (1st) - Density 8. ...
Nowra shops Nowra park Nowra is the commercial and main administrative centre for the City of Shoalhaven region in New South Wales, Australia. ...
Common utility ducts are man-made tunnels created to carry two or more utility lines underground. Through co-location of different utilities in one tunnel, governments and companies are able to reduce the costs of building and maintaining utilities. A common utility duct, sometimes called a common utility conduit, is any structure - above, on, or below ground - that carries more than two types of public utility lines. ...
Examples of tunnels
In history - The qanat or kareez of Persia is a water management system used to provide a reliable supply of water to human settlements or for irrigation in hot, arid and semi-arid climates. The oldest and largest known qanat is in the Iranian city of Gonabad which after 2700 years still provides drinking and agricultural water to nearly 40,000 people. Its main well depth is more than 360 meters and its length is 45 kilometers.
- The Eupalinian aqueduct on the island Samos (Ionia). Built 520 BC by the Ionian engineer Eupalinos. Eupalinos organised the work so that the tunnel was begun from both sides of the hill and the two teams met in the middle. The estimates for the time required range from 5 to 15 years: the mountain is solid limestone and one has to suppose that many of the slaves doing the work died. The tunnel's existence was recorded by Herodotus (as was the mole and harbour, and the third wonder of the island, the great temple to Hera, thought by many to be the largest in the Greek world). The precise location of the tunnel was only re-established in the 19th century by German archaeologists. The tunnel proper is 1030 metres - 3432 feet - long and visitors can still enter it Eupalinos tunnel.
- Sapperton Tunnel on the Thames & Severn Canal in England, dug through hills, which opened in 1789, was 3.5 km long and allowed ship transport of coal. Above it runs the Sapperton Long Tunnel which carries the "Golden Valley" railway line between Swindon and Gloucester.
- The tunnel created for the first true steam locomotive, the Penydarren locomotive, was built prior to Richard Trevithick was able to make his historic journey from Penydarren to Abercynon in 1804. Part of this tunnel can still be seen at Pentrebach, Merthyr Tydfil. This is arguably the oldest railway tunnel in the world, for self-propelled steam engines on rails.
- Box Tunnel in England, which opened in 1841, was the longest railway tunnel in the world at the time of construction. It was dug and has a length of 2.9 km.
- The Thames Tunnel, built by Marc Isambard Brunel and his son Isambard Kingdom Brunel and opened in 1843, was the first underwater tunnel and the first to use a tunnelling shield. Originally used as a foot-tunnel, it is now part of the East London Line of the London Underground.
- The Cobble Hill Tunnel and Murray Hill Tunnel in New York City are the world's oldest railway tunnels lying below streets, roofed over in 1850 and the 1850s, respectively.
- The oldest sections of the London Underground were built using the cut-and-cover method in the 1860s. The Metropolitan, Hammersmith & City, Circle and District lines were the first to prove the success of a metro or subway system.
- Col de Tende Road Tunnel, one of the first longer road tunnels under a pass
See also the History of Rapid transit. Interior of the Thames Foot Tunnel, mid-19th century This image has been released into the public domain by the copyright holder, its copyright has expired, or it is ineligible for copyright. ...
Interior of the Thames Foot Tunnel, mid-19th century This image has been released into the public domain by the copyright holder, its copyright has expired, or it is ineligible for copyright. ...
Interior of the Thames Tunnel, mid-19th century The Thames Tunnel is a tunnel, 35 feet wide and 1,300 feet long, beneath the River Thames in London, between Rotherhithe and Wapping. ...
This article is about the capital of England and the United Kingdom. ...
Alternative meaning: Nineteenth Century (periodical) (18th century — 19th century — 20th century — more centuries) As a means of recording the passage of time, the 19th century was that century which lasted from 1801-1900 in the sense of the Gregorian calendar. ...
A qanat (from Persian: ‎) or kareez (from Persian: ‎) is a water management system used to provide a reliable supply of water to human settlements or for irrigation in hot, arid and semi-arid climates. ...
A qanat (from Persian: ‎) or kareez (from Persian: ‎) is a water management system used to provide a reliable supply of water to human settlements or for irrigation in hot, arid and semi-arid climates. ...
For other uses of this term see: Persia (disambiguation) The Persian Empire is the name used to refer to a number of historic dynasties that have ruled the country of Persia (Iran). ...
The Eupalinian aqueduct (in Greek: Efpalinion orygma - Ευπαλίνιον ÏŒÏυγμα) is a tunnel of 1036 m in Samos, Greece, built in the 6th century BC to serve as an aqueduct. ...
Samos (Greek Σάμος) is a Greek island in the Eastern Aegean Sea, located between the island of Chios to the North and the archipelagic complex of the Dodecanese islands to the South and in particular the island of Patmos and off the coast of Turkey, on what was formely known as...
Location of Ionia Ionia (Greek Ιωνία; see also list of traditional Greek place names) was an ancient region of southwestern coastal Anatolia (in present-day Turkey, the region nearest İzmir,) on the Aegean Sea. ...
Ancient Greek engineer 6th century BC. He built the famous Eupalinian aqueduct, a subterranean engineering masterpiece built for strategic defensive reasons to supply fresh water to the ancient capital of Samos. ...
The Sapperton Tunnels are located about seven miles ESE of Stroud in Gloucestershire. ...
Motto: (French for God and my right) Anthem: God Save the King/Queen Capital London (de facto) Largest city London Official language(s) English (de facto) Unification - by Athelstan AD 927 Area - Total 130,395 km² (1st in UK) 50,346 sq mi Population - 2006 est. ...
Ship Transport is the process of moving people, goods, etc. ...
Coal Coal (IPA: ) is a fossil fuel extracted from the ground by coal mining, either underground mining or open-pit mining (surface mining). ...
Swindon is a town in Wiltshire in the South West of England. ...
Shown within Gloucestershire Geography Status: City (1541) Region: South West England Admin. ...
Penydarren was the fourth of the great ironworks established at Merthyr Tydfil. ...
Richard Trevithick Richard Trevithick (April 13, 1771 – April 22, 1833) was a British inventor, engineer and builder of the first working railway steam locomotive. ...
Penydarren was the fourth of the great ironworks established at Merthyr Tydfil. ...
Abercynon is a small village in the Cynon Valley, Wales. ...
Pentrebach (sometimes written Pentre-Bach) is located in the County Borough of Merthyr Tydfil and lies on the east side of the river Taff opposite Abercanaid, South of Merthyr and North of Troedyrhiw. ...
Merthyr Tydfil (Welsh: ) is a town and county borough in Wales, with a population of about 55,000. ...
Box Tunnel is a railway tunnel in western England, between Bath and Chippenham, dug through the Box Hill. ...
Interior of the Thames Tunnel, mid-19th century The Thames Tunnel is a tunnel, 35 feet wide and 1,300 feet long, beneath the River Thames in London, between Rotherhithe and Wapping. ...
Marc Isambard Brunel, engraving by G. Metzeroth, circa 1880 Sir Marc Isambard Brunel, FRS (April 25, 1769 – December 12, 1849) was a French-born engineer who settled in the United Kingdom. ...
Brunel before the launching of the Great Eastern. ...
1843 was a common year starting on Sunday (see link for calendar). ...
A tunnelling shield is a protective structure used in the excavation of tunnels through soil that is too soft or fluid to remain stable during the time it takes to line the tunnel with a support structure of concrete or steel. ...
The East London Line is a line of the London Underground, coloured orange on the Tube map. ...
The London Underground is an all-electric railway system that covers much of Greater London and some neighbouring areas. ...
The Atlantic Avenue Tunnel (or Cobble Hill Tunnel of the Long Island Rail Road) is an abandoned railroad tunnel beneath Atlantic Avenue in downtown Brooklyn, New York. ...
The north end of the tunnel The Murray Hill Tunnel passes under Park Avenue in Manhattan, New York, New York, USA, just south of Grand Central Terminal. ...
Nickname: Big Apple, Gotham, NYC, City That Never Sleeps, The Concrete Jungle, The City So Nice They Named It Twice Location in the state of New York Coordinates: Country United States State New York Boroughs The Bronx Brooklyn Manhattan Queens Staten Island Settled 1676 Government - Mayor Michael Bloomberg (R) Area...
1850 was a common year starting on Tuesday (see link for calendar). ...
// Events and Trends Technology Production of steel revolutionised by invention of the Bessemer process Benjamin Silliman fractionates petroleum by distillation for the first time First transatlantic telegraph cable laid First safety elevator installed by Elisha Otis Science Charles Darwin publishes The Origin of Species, putting forward the theory of evolution...
The London Underground is an all-electric railway system that covers much of Greater London and some neighbouring areas. ...
// The First Transcontinental Railroad in the USA is built in the six year period between 1863 and 1869. ...
A rapid transit, underground, subway, tube, elevated, or metro(politan) system is a railway — usually in an urban area — with a high capacity and frequency of service, and grade separation from other traffic. ...
Col de Tende Road Tunnel is a 3182 metre long road tunnel running under Col de Tende. ...
For lower capacity public transit systems, see tram, light rail, bus, and bus rapid transit. ...
For lower capacity public transit systems, see tram, light rail, bus, and bus rapid transit. ...
The longest -
- The Seikan Tunnel in Japan is the longest rail tunnel in the world at 53.9 km (33.4 miles), of which 23.3 km (14.5 miles) is under the sea.
- The Channel Tunnel between France and England under the English Channel is the second-longest, with a total length of 50 km (31 miles), of which 39 km (24 miles) is under the sea.
- The Lærdal Tunnel in Norway from Lærdal to Aurland is the world's longest road tunnel, intended for cars and similar vehicles, at 24.5 km (15.2 miles).
- The St. Gotthard Tunnel from Göschenen to Airolo in Switzerland, opened on September 5, 1980, is the world's second longest highway tunnel at 16.32 km (10.14 miles).
- The Ryfast road program in Stavanger, Norway includes the tunnel Solbakktunnelen, which is scheduled to be opened within 2015. This tunnel will be 14 km long, making it both the world's longest underwater road tunnel and longest underwater highway tunnel. The tunnel will have four driving lanes in total, and a speed limit of 90 km/h.
- The Hsuehshan Tunnel in northern Taiwan opened on June 16, 2006 with a length of 12.955 km (8.05 miles). This tunnel is the longest highway tunnel in Asia and the 4th in the world (in 2006).
- The Rennsteig Tunnel in middle Germany runs under the Thuringian Forest over a length of 8.5 km (5 1/5 miles) and is currently Germany's longest tunnel. The highway A71 connects Erfurt with Schweinfurt.
- The North Cape Tunnel in northern Norway, connecting the island of Magerøya with the mainland, was the world's longest undersea road tunnel when opened in 1999, at about 7 km. It reaches a depth of 212 m below sea level.
- Päijänne-tunneli is the world's longest complete tunnel that is bored into cliff. It is located in southern Finland and it is 120 km long. Its purpose is to provide the Greater Helsinki metropolitan area with fresh water.
These tables are to be merged into one table with the tunnel purpose as a further column. ...
In-train display showing progress through tunnel The Seikan Tunnel (é’函トンãƒãƒ« Seikan Tonneru or é’å‡½éš§é“ Seikan ZuidÅ) is a 53. ...
Map of the Channel Tunnel. ...
Motto: (French for God and my right) Anthem: God Save the King/Queen Capital London (de facto) Largest city London Official language(s) English (de facto) Unification - by Athelstan AD 927 Area - Total 130,395 km² (1st in UK) 50,346 sq mi Population - 2006 est. ...
Satellite view of the English Channel The English Channel (French: La Manche (IPA: ), the sleeve) is the part of the Atlantic Ocean that separates the island of Great Britain from northern France and joins the North Sea to the Atlantic. ...
One of three caves within the 24. ...
County Sogn og Fjordane Landscape Sogn Municipality NO-1422 Administrative centre Lærdal Mayor (2005) Knut O. Aarethun (Ap) Official language form Nynorsk Area - Total - Land - Percentage Ranked 66 1,342 km² 1,278 km² 0. ...
County Sogn og Fjordane District Sogn Municipality NO-1421 Administrative centre Aurlandsvangen Mayor (2003) Olav Ellingsen (Sp) Official language form Nynorsk Area - Total - Land - Percentage Ranked 54 1,468 km² 1,383 km² 0. ...
The St. ...
Göschenen is a small Swiss town on the northern end of the St. ...
Categories: Switzerland geography stubs ...
September 5 is the 248th day of the year (249th in leap years). ...
1980 (MCMLXXX) was a leap year starting on Tuesday. ...
Highway in Pennsylvania, USA The Pan-American Highway, in the Peruvian town of Máncora, where it serves as the main street. ...
County Rogaland District Jæren Municipality NO-1103 Administrative centre Stavanger Mayor (1995-) Leif Johan Sevland (H) Official language form Bokmål Area - Total - Land - Percentage Ranked 406 71 km² 68 km² 0. ...
Hsuehshan Tunnel underconstruction in 2002 The Hsuehshan Tunnel(Traditional Chinese: 雪山隧é“, Hanyu Pinyin: Xueshan Suidao, Tongyong Pinyin: Syueshan Sueidao) is the longest tunnel located on the Taipei-Yilan Expressway(Taiwan National Highway No. ...
June 16 is the 167th day of the year in the Gregorian calendar (168th in leap years), with 198 days remaining. ...
For the Manfred Mann album, see 2006 (album). ...
Rennsteig Tunnel (German: Rennsteigtunnel) is the longest road tunnel in Germany with a lenght of 7,916 m. ...
Mariendom and the Severikirche. ...
Schweinfurt is a city in the Unterfranken region of Bavaria in Germany on the right bank of the canalized Main, which is here spanned by several bridges, 27 km North-East of Würzburg. ...
The North Cape tunnel in Norway is one of the longest tunnels in Europe, and even in the world. ...
Magerøya is an island in the extreme north of Norway, in the community of Nordkapp. ...
1999 (MCMXCIX) was a common year starting on Friday, and was designated the International Year of Older Persons by the United Nations. ...
Map of the Helsinki Metropolitan Area (Dark Green) and the Capital Region (Light Green). ...
Map of the Metropolitan Area (Light Green) and the Capital Region (Dark Green). ...
Notable - The Lincoln Tunnel between New Jersey and New York is one of the busiest vehicular tunnels in the world, at 120,000 vehicles/day.
- The Fredhälls Tunnel in Stockholm, Sweden
- Williamson's tunnels in Liverpool, built by a wealthy eccentric are probably the largest underground folly in the world.
- New York City Water Tunnel No. 3[3], started in 1970, has an expected completion date of 2020.
- The Chicago Deep Tunnel Project is a network of 109 miles (197 km) of tunnels designed to reduce flooding in the Chicago area. Started in the mid 1970s, the project is due to be completed in 2019.
- The Fenghuoshan tunnel on Qinghai-Tibet railway is the world's highest railway tunnel.
- The Houston Downtown Tunnel System is a system of tunnels about twenty feet below Houston's downtown street system. The system forms a network of subterranean, climate-controlled, pedestrian walkways that link twenty-five full city blocks.
- The Sydney Harbour Tunnel in Sydney, Australia was built in 1992 to augment the Sydney Harbour Bridge.
The Lincoln Tunnel is a 1. ...
Official language(s) None, English de facto Capital Trenton Largest city Newark Area Ranked 47th - Total 8,729 sq mi (22,608 km²) - Width 70 miles (110 km) - Length 150 miles (240 km) - % water 14. ...
NY redirects here. ...
Essingeleden southbound from Nybodahöjden Photo: Tage Olsin Essingeleden is a motorway that goes from Solna to Stockholm, Sweden, crossing the westmost parts of central Stockholm, by going over Kungsholmen, Lilla Essingen and Stora Essingen. ...
(IPA: ; UN/LOCODE: SE STO) is the capital of Sweden, and consequently the site of its Government and Parliament as well as the residence of the Swedish head of state, King Carl XVI Gustaf. ...
Graffiti circa 1960s on the wall of The Williamson Tunnels The Corner tunnel and arch constructed out of individual sandstone blocks with view of Biddulphs factory rubbish chute. ...
Liverpool skyline. ...
New York City Water Tunnel No. ...
1970 (MCMLXX) was a common year starting on Thursday (the link is to a full 1970 calendar). ...
2020 (MMXX) will be a leap year starting on Wednesday of the Gregorian calendar. ...
The Tunnel and Reservoir Plan (abbreviated TARP and more commonly known as the Deep Tunnel Project or the Chicago Deep Tunnel) is one of the largest civil engineering projects ever undertaken in terms of scope, money and timeframe. ...
Chicagoland is an informal name for the Chicago metropolitan area, used primarily by copywriters, advertising agencies, native residents, and traffic reporters. ...
The 1970s decade refers to the years from 1970 to 1979, inclusive. ...
2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar. ...
The Fenghuoshan railway tunnel is the highest railway tunnel in the world. ...
The Qinghai-Tibet railway, or Qingzang Railway (é’è—é“è·¯), is a railway that will connect Xining, Qinghai Province to Lhasa, Tibet Autonomous Region in the Peoples Republic of China. ...
The Houston Downtown Tunnel System is a system of tunnels and skywalks, about 7 miles in total length, linking many buildings in downtown Houston. ...
Houston redirects here. ...
The Sydney Harbour Tunnel is a tunnel in Sydney, Australia. ...
The Sydney Opera House on Sydney Harbour Sydney (pronounced ) is the most populous city in Australia, with a metropolitan area population of over 4. ...
The Sydney Harbour Bridge is the main crossing of Sydney Harbour carrying vehicular, rail, and pedestrian traffic between the Sydney central business district (CBD) and the North Shore. ...
Other uses Excavation techniques, as well as the construction of underground bunkers and other habitable areas, are often associated with military use during armed conflict, or civilian responses to threat of attack. Tunnel warfare is a type of warfare that occurs in tunnels. ...
Media Image File history File links 20060801102742_-_T224_-_风ç«å±±éš§é“.ogg‎ File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Tunnel Qingzang railway Fenghuoshan tunnel ...
The Fenghuoshan railway tunnel is the highest railway tunnel in the world. ...
A megabyte is a unit of information or computer storage equal to exactly one million bytes. ...
Look up Ogg in Wiktionary, the free dictionary. ...
Theora is a video codec being developed by the Xiph. ...
Natural tunnel Snow tunnels are created by voles, chipmunks and other rodents for protection and access to food sources. Larger versions are created by humans, usually for fun. Punarjani Guha is a natural tunnel 15 meters long in the rocky cliff. ...
For more information regarding tunnels built by animals, see Burrow There is a suggestion that the words Bunny and Burrow have a common origin and meaning, French in origin appearing in Britain afetr the Norman conquest. ...
See also Wikimedia Commons has media related to: Image File history File links Commons-logo. ...
The list of tunnels includes any road tunnel, railway tunnel or waterway tunnel anywhere in the world. ...
Undersea tunnel is a tunnel partly or wholely contructed undersea. ...
Part of Montreals underground city, a concourse in Bonaventure metro station, showing directional signs leading to buildings accessible through the underground city An underground city is a network of tunnels that connect buildings, usually in the downtown area of a city. ...
An urban explorer stands near the outfall of a muffin shaped brick and concrete storm drain, under Saint Paul, Minnesota. ...
A mural by Roof & Tunnel Hackers at MIT. Roof and Tunnel Hacking is the unauthorized (generally prohibited and often outright illegal) entry into and exploration of roof and utility tunnel spaces. ...
Smuggling tunnels are secret tunnels, usually hidden underground, used for smuggling of goods (including illegal weapons) and people. ...
Rathole tunnels are tunnels were fumes from the locomotives make passage through the tunnel unpleasant. ...
NASA wind tunnel with the model of a plane A wind tunnel is a research tool developed to assist with studying the effects of air moving over or around solid objects. ...
The worlds longest tunnels Categories: Wikipedia cleanup ...
A megaproject is a very large investment project. ...
Thurston Lava Tube in Hawaii Volcanoes National Park. ...
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