Akershus is a county in Norway, with Oslo as its administrative centre. Akershus has been a region in Eastern Norway with Oslo as its main city since the middle ages, and is named after the Akershus Fortress in Oslo and ultimately after the medieval farm Aker in Oslo. From the middle ages to 1919, Akershus was a main fief and main county that included most of Eastern Norway, and from the 17th century until 2020 and again from 2024, Akershus also has a more narrow meaning as a smaller central county in the Greater Oslo Region. Akershus is Norway's largest county by population with over 716,000 inhabitants.
The Bergen Line or the Bergen Railway, is a 371-kilometre (231 mi) long scenic standard gauge railway line between Bergen and Hønefoss, Norway. The name is often applied for the entire route from Bergen via Drammen to Oslo, where the passenger trains go, a distance of 496 kilometres (308 mi). It is the highest mainline railway line in Northern Europe, crossing the Hardangervidda plateau at 1,237 metres (4,058 ft) above sea level.
The Oslo Metro is the rapid transit system of Oslo, Norway, operated by Sporveien T-banen on contract from the transit authority Ruter. The network consists of five lines that all run through the city centre, with a total length of 85 kilometres (53 mi), serving 101 stations of which 17 are underground or indoors. In addition to serving 14 out of the 15 boroughs of Oslo, two lines run to Kolsås and Østerås, in the neighbouring municipality of Bærum. In 2016, the system had an annual ridership of 118 million.
The Nordland Line is a 729-kilometer (453 mi) railway line between Trondheim and Bodø, Norway. It is the longest in Norway and lacks electrification. The route runs through the counties of Trøndelag and Nordland, carrying a combination of commuter, long-haul passenger and freight trains. From Trondheim Central Station to Steinkjer Station the line is most heavily used, with hourly services by the Trøndelag Commuter Rail. There are three branch lines—the Stavne–Leangen Line at Leangen Station, the Meråker Line at Hell Station and the Namsos Line at Grong Station.
Oslo Central Station is the main railway station in Oslo, and the largest railway station within the entire Norwegian railway system. It connects with Jernbanetorget station, which is served by trams and the Oslo Metro. It's the terminus of Drammen Line, Gardermoen Line, Gjøvik Line, Hoved Line, Østfold Line and Follo Line. It serves express, regional and local rail services by four companies. The railway station is operated by Bane NOR while its real estate subsidiary, Bane NOR Eiendom owns the station, and was opened in 1980.
The Grorud Line is a 13.0-kilometer long (8.1 mi) line on the Oslo Metro between Tøyen and Vestli in Oslo, Norway. Built as a mix of underground, at ground level and as an elevated line, it runs through the northern part of Groruddalen, serving such neighborhoods as Grorud, Romsås and Stovner. Line 5 runs along the entire line four times per hour. Line 4 runs between Vestli and Økern before branching off on the Løren Line to get onto the Ring Line. With 40,000 daily riders, the Grorud Line is the busiest branch of the metro.
The Sognsvann Line is a rapid transit line on the Oslo Metro of Norway. It branches from the Common Tunnel at Majorstuen and runs 6.0 kilometers (3.7 mi) to Sognsvann. After Ullevål stadion, the Ring Line branches off. The Sognsvann Line serves the northwestern and northern neighborhoods of Oslo, mostly within the borough of Nordre Aker. The line is owned and maintained by Kollektivtransportproduksjon and has nine stations. The western end of line 5 serves the entire line. Line 4 and the eastern end of line 5 serve the southern part of the line up to Ullevål stadion before branching off and continuing along the Ring Line. This gives an average five-minute headway on the southern part and an average fifteen-minute headway on the northern part of the line.
Forskningsparken is a rapid transit station on the Sognsvann Line of the Oslo Metro. It also serves as a light rail station for the Ullevål Hageby Line of the Oslo Tramway. It is located at the north of the Blindern campus of the University of Oslo in the Nordre Aker borough of Oslo, Norway. The decision to build the station was made in 1998, and it opened in 1999, replacing the former station Vestgrensa, and allowed interchange between the metro and the tramway. The Ullevål Hageby Line was at the same time extended to serve the new Rikshospitalet. Forskningsparken is served by lines 4 and 5 of the metro, each operating every 15 minutes and providing services along both the Sognsvann Line and the Ring Line. Lines 17 and 18 of the tramway serve Forskningsparken, operating to Rikshospitalet and the city center.
Carl Berners plass is an underground rapid transit station located on the Grorud Line of the Oslo Metro, and a tram stop on the Sinsen Line of the Oslo Tramway. The square also has a bus stop for lines 20, 21, 31 and 33. Located at Helsfyr in Oslo, Norway, the area has a mixture of apartment buildings and small businesses. The station is the first metro station on the Grorud Line after it branches off from the shared Common Tunnel. North of the station, the Ring Line branches off from the Grorud Line. The station is served by line 5 of the metro and Line 17 of the tramway, with four hourly departures during regular hours. The tram operates every 10 minutes during regular hours.
Storo is a rapid transit station on the Ring Line of the Oslo Metro, and a tram station on the Grünerløkka–Torshov Line of the Oslo Tramway. It is located at Storo in the Nordre Aker borough of Oslo, Norway. The tram station opened on 28 November 1902, and the rapid transit station on 20 August 2003. Metro lines 4 and 5 run to the station. The tram station serves lines 11, 12 and 18. The station is within walking distance of Grefsen Station on the Gjøvik Line. The station also functions as a bus hub, being located along Ring 3. Storo is a mixed commercial and residential area, and a shopping center is located just north of the subway station.
The Trunk Line is a railway line in Norway which runs between Oslo and Eidsvoll. The line is owned by Bane NOR.
The Drammen Line is a 52.86-kilometre (32.85 mi) railway line between Oslo and Drammen, Norway, which was opened on 7 October 1872. It serves all trains west of Oslo Central Station and is owned by Bane NOR.
Sinsen is a rapid transit station on the Ring Line of the Oslo Metro. It is located at Sinsen in the Sagene borough of Oslo, Norway. Next to the station is the tram station Sinsenkrysset, that has been part of the Sinsen Line of the Oslo Tramway since 1939. The station opened on 20 August 2006, as part of the first section of the Ring Line. The station is served by line 4 and 5 of the metro, as well as several local bus services. Sinsen is a mixed residential and commercial area.
The Asker Line is a 9.5-kilometre (5.9 mi) railway line between Asker and Lysaker in Norway. The line runs along the same corridor as the Drammen Line, offering increased capacity, speed and regularity on the rail network west of Oslo. The first part opened in 2005, and in 2011 an extension opened from Sandvika to Lysaker. Original plans called for an extension to Skøyen, but from 2020, new planning is under way for an extension all the way to Oslo Central Station. Most of the railway is in tunnel and is dimensioned for 160 km/h (99 mph) running. The entire railway is electrified at 15 kV 16.7 Hz AC. The first section cost 3.7 billion kr, while the second is budgeted at NOK 2.7 billion.
The Common Tunnel, sometimes called the Common Line, is a 7.3-kilometer (4.5 mi) long tunnel of the Oslo Metro which runs through the city center of Oslo, Norway. The name derives from the fact that all five lines of the metro use the tunnel, which runs from Majorstuen to Tøyen. The section has six stations, including the four busiest on the metro.
Birger Leirud was a Norwegian high jumper. He represented Leirsund IL.
The Løren Line is a 1.6-kilometer (1.0 mi) line of the Oslo Metro. Located entirely underground, it runs through the neighborhoods of Sinsen, Løren and Økern in Bjerke, creating a connection between the Ring Line with the Grorud Line. The line features one station, Løren. It is served by metro trains which run down the Grorud Line and then connect to the Ring Line. It allows for higher capacity on the metro as more passengers a transported via the Ring Line instead of through the congested Common Tunnel. Construction started in June 2013 and the line opened on 3 April 2016.
Leira is a river in Innlandet and Akershus, Norway. It comes from Leirsjøen, 320 metres (1,050 ft) above sea level, in Romeriksåsene between Hadeland and Romerike, in Lunner municipality in Innlandet. From here, it runs east through the countryside to Nannestad municipality in Akershus, and exits in Stråtjern, 299 metres (981 ft) above sea level). It comes down to Romerikssletten westwards, until Maura and swings southwest, until it joins the Rotua and moves southeast and then southwards. Southwest of Gardermoen it runs through land between Nannestad and Ullensaker, along Gjerdrum and Ullensaker, and Gjerdrum and Sørum municipalities. Northeast of Hekseberget it joins the Gjermåa, and at the same time runs into Skedsmo municipality. Later, it passes through Frogner and Leirsund, runs into a meander over the flat lands around Lillestrøm, and exits into the Nitelva. It ends in the land between Skedsmo and Fet.
Rolf Palmstrøm was a Norwegian Army officer.
