Jarlsberg Tunnel
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Jarlsberg Tunnel
The Jarlsberg Tunnel ( no, Jarlsbergtunnelen) is a long double track railway tunnel which runs through Frodeåsen in the city of Tønsberg in Tønsberg Municipality, Vestfold county, Norway. Located on the Vestfold Line, the tunnel was built as part of the double-track high-speed segment from Barkåker to Tønsberg. It is located just north of Tønsberg Station and runs between Frodegata and Tomsbakken. Most of the tunnel is blasted, although is in a concrete culvert. Planning of the tunnel started in the late 1990s. Several railway interest groups advised against building the isolated segment of upgraded track without a complete plan for upgrading the entire line. Construction started in April 2009 and the new section and the tunnel opened on 7 November 2011. It was the fourth segment of the Vestfold Line to be upgraded. __TOC__ Specifications The Jarlsberg Tunnel runs roughly north–south through Frodeåsen, a hill just north of the town center of Tønsberg. The north ...
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Overhead Wire
An overhead line or overhead wire is an electrical cable that is used to transmit electrical energy to electric locomotives, trolleybuses or trams. It is known variously as: * Overhead catenary * Overhead contact system (OCS) * Overhead equipment (OHE) * Overhead line equipment (OLE or OHLE) * Overhead lines (OHL) * Overhead wiring (OHW) * Traction wire * Trolley wire This article follows the International Union of Railways in using the generic term ''overhead line''. An overhead line consists of one or more wires (or rails, particularly in tunnels) situated over rail tracks, raised to a high electrical potential by connection to feeder stations at regular intervals. The feeder stations are usually fed from a high-voltage electrical grid. Overview Electric trains that collect their current from overhead lines use a device such as a pantograph, bow collector or trolley pole. It presses against the underside of the lowest overhead wire, the contact wire. Current collectors are ...
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Norwegian Broadcasting Corporation
NRK, an abbreviation of the Norwegian ''Norsk Rikskringkasting AS'', generally expressed in English as the Norwegian Broadcasting Corporation, is the Norwegian government-owned radio and television public broadcasting company, and the largest media organisation in Norway. All other TV channels, broadcast from Norway, were banned between 1960 and 1981. NRK broadcasts three national TV channels and thirteen national radio channels on digital terrestrial television, digital terrestrial radio and subscription television. All NRK radio stations are streamed online at NRK.no, which also offers an extensive TV service. NRK is a founding member of the European Broadcasting Union. Financing Until the start of 2020, about 94% of NRK's funding came from a mandatory annual licence fee payable by anyone who owns or uses a TV or device capable of receiving TV broadcasts. The remainder came from commercial activities such as programme and DVD sales, spin-off products, and certain types of s ...
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Dagbladet
''Dagbladet'' (lit.: ''The Daily Magazine'') is one of Norway's largest newspapers and is published in the tabloid format. It has 1,400,000 daily readers on mobile, web and paper. Traditionally ''Dagbladet'' is considered the main liberal newspaper of Norway, with a generally liberal progressive editorial outlook, to some extent associated with the movement of cultural radicalism in Scandinavian history. The paper edition had a circulation of 46,250 copies in 2016, down from a peak of 228,834 in 1994. The editor-in-chief is Alexandra Beverfjord, the political editor is Geir Ramnefjell, the news editor is Frode Hansen and the culture editor is Sigrid Hvidsten. ''Dagbladet'' is published six days a week and includes the additional feature magazine ''Magasinet'' every Saturday. Part of the daily tabloid is available at ''Dagbladet.no'', and more articles can be accessed through a paywall. The daily readership of ''Dagbladet''s online tabloid was 1.24 million in 2016. History '' ...
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Porsgrunn
is a city and municipality in Telemark in the county of Vestfold og Telemark in Norway. It is part of the traditional region of Grenland. The administrative centre of the municipality is the city of Porsgrunn. The municipality of Porsgrunn was established on 1 January 1838 (see formannskapsdistrikt). The town of Brevik and the rural district of Eidanger were merged into the municipality of Porsgrunn on 1 January 1964. The conurbation of Porsgrunn and Skien is considered by Statistics Norway to be the seventh-largest city in Norway. General information Name The place is first mentioned in 1576 (''"Porsgrund"'') by the writer Peder Claussøn Friis in his work ''Concerning the Kingdom of Norway'' (see the article: Norwegian literature). He writes: "Two and a half miles from the sea, the Skien river flows into the fjord, and that place is called Porsgrund." The name was probably given during medieval times to the then swampy area by the nuns of Gimsøy Abbey, who went here to c ...
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Farriseidet
Farriseidet is a moraine located in the northwestern part of the town center of Larvik, Norway. It separates Larvikfjorden from the lake of Farris Farris is a 20 km long fresh water moraine-dammed lake near the Norwegian coastal town Larvik. The lake would have been a salt water fjord had it not been dammed by an end moraine left by the latest ice age An ice age is a long perio .... Larvik {{Vestfold-geo-stub ...
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Jarlsbergtunnelen Bygges
The Jarlsberg Tunnel ( no, Jarlsbergtunnelen) is a long double track railway tunnel which runs through Frodeåsen in the city of Tønsberg in Tønsberg Municipality, Vestfold county, Norway. Located on the Vestfold Line, the tunnel was built as part of the double-track high-speed segment from Barkåker to Tønsberg. It is located just north of Tønsberg Station and runs between Frodegata and Tomsbakken. Most of the tunnel is blasted, although is in a concrete culvert. Planning of the tunnel started in the late 1990s. Several railway interest groups advised against building the isolated segment of upgraded track without a complete plan for upgrading the entire line. Construction started in April 2009 and the new section and the tunnel opened on 7 November 2011. It was the fourth segment of the Vestfold Line to be upgraded. __TOC__ Specifications The Jarlsberg Tunnel runs roughly north–south through Frodeåsen, a hill just north of the town center of Tønsberg. The no ...
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Oslo
Oslo ( , , or ; sma, Oslove) is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of in 2022, while the city's greater urban area had a population of in 2019, and the metropolitan area had an estimated population of in 2021. During the Viking Age the area was part of Viken. Oslo was founded as a city at the end of the Viking Age in 1040 under the name Ánslo, and established as a ''kaupstad'' or trading place in 1048 by Harald Hardrada. The city was elevated to a bishopric in 1070 and a capital under Haakon V of Norway around 1300. Personal unions with Denmark from 1397 to 1523 and again from 1536 to 1814 reduced its influence. After being destroyed by a fire in 1624, during the reign of King Christian IV, a new city was built closer to Akershus Fortress and named Christiania in honour of the king. It became a municipality ('' formannskapsdistrikt'') on 1 January 1838. The city fu ...
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Smørstein Tunnel
The Smørstein Tunnel is a tunnel located at Smørstein in Holmestrand, Norway. The tunnel carried a single, electrified track of the Vestfold Line. The need for a tunnel arose after a 19 August 1918 landslide washed away the railway past Smørstein. A temporary track was in place from 28 October, but the Norwegian State Railways (NSB) determined that the geology was too unstable and thus decided to build a tunnel to avoid the poor geological conditions. The tunnel opened on 25 May 1921 and was until 2010 the only tunnel on the Vestfold Line between Drammen and Larvik. The tunnel was closed in 2016 with the opening of the Holmestrandsporten tunnel, and converted to a bicycle tunnel along with the rest of the old railway line. Specifications The Smørstein Tunnel runs through the hill of Smørstein in Holmestrand, Norway.Bjerke (1994): 162 The tunnelBjerke (1994): 164 is single track and electrified at . The tunnel is located next to County Road 313. It constitutes part of ...
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Larvik
Larvik () is a List of cities in Norway, town and Municipalities of Norway, municipality in Vestfold in Vestfold og Telemark Counties of Norway, county, Norway. The administrative centre of the municipality is the city of Larvik. The municipality of Larvik has about 46,364 inhabitants. The municipality has a 110 km coastline, only shorter than that of neighbouring Sandefjord. The city achieved market town status in 1671. Larvik was established as a municipality on 1 January 1838 (see formannskapsdistrikt). The city of Stavern, and the rural municipalities of Brunlanes, Hedrum, and Tjølling were forcefully merged into the municipality of Larvik on 1 January 1988. On 1 January 2018, neighboring Lardal was merged into Larvik as part of a nationwide municipal reform. After the merge, Larvik is the largest municipality in Vestfold by area, and the second-most populous municipality in the Vestfold district. Larvik is known as the hometown of Thor Heyerdahl. It is also home to ''B ...
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Standard Gauge
A standard-gauge railway is a railway with a track gauge of . The standard gauge is also called Stephenson gauge (after George Stephenson), International gauge, UIC gauge, uniform gauge, normal gauge and European gauge in Europe, and SGR in East Africa. It is the most widely used track gauge around the world, with approximately 55% of the lines in the world using it. All high-speed rail lines use standard gauge except those in Russia, Finland, and Uzbekistan. The distance between the inside edges of the rails is defined to be 1435 mm except in the United States and on some heritage British lines, where it is defined in U.S. customary/Imperial units as exactly "four feet eight and one half inches" which is equivalent to 1435.1mm. History As railways developed and expanded, one of the key issues was the track gauge (the distance, or width, between the inner sides of the rails) to be used. Different railways used different gauges, and where rails of different gauge met – ...
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Narrow-gauge
A narrow-gauge railway (narrow-gauge railroad in the US) is a railway with a track gauge narrower than standard . Most narrow-gauge railways are between and . Since narrow-gauge railways are usually built with tighter curves, smaller structure gauges, and lighter rails, they can be less costly to build, equip, and operate than standard- or broad-gauge railways (particularly in mountainous or difficult terrain). Lower-cost narrow-gauge railways are often used in mountainous terrain, where engineering savings can be substantial. Lower-cost narrow-gauge railways are often built to serve industries as well as sparsely populated communities where the traffic potential would not justify the cost of a standard- or broad-gauge line. Narrow-gauge railways have specialised use in mines and other environments where a small structure gauge necessitates a small loading gauge. In some countries, narrow gauge is the standard; Japan, Indonesia, Taiwan, New Zealand, South Africa, and the Austr ...
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