Sinsen is a mixed residential and commercial area in

Grünerløkka Grünerløkka is a borough of the city of Oslo, Norway. Grünerløkka became part of the city of Oslo (then Christiania) in 1858. Grünerløkka was traditionally a working class district; however, since the late 20th century the area has increasi ...

borough of

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 ...

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...

. The westernmost part of Sinsen is part of the borough

Nordre Aker Nordre Aker (Northern Aker) is a borough of the city of Oslo, Norway. History This area became part of the city of Oslo in 1948. Before that it was a part of Aker municipality in the former Akershus county. Demographics and housing With a popul ...

. The

Sinsen Interchange The Sinsen Interchange ( no, Sinsenkrysset) is a heavily trafficked, multilevel road junction in Oslo, Norway. It connects the highways Norwegian National Road 150 and Norwegian National Road 4 ( Trondheimsveien). The junction has existed since the ...

, located on the border between the boroughs of Nordre Aker, Grünerløkka and Bjerke, was the first

roundabout A roundabout is a type of circular intersection or junction in which road traffic is permitted to flow in one direction around a central island, and priority is typically given to traffic already in the junction.''The New Shorter Oxford En ...

in Norway. It has since developed into a multi-lever intersection, with both Ring 3, National Road 4 and the

Sinsen Line The Sinsen Line ( no, Sinsenlinjen) is part of the Oslo Tramway on the east side of the city. Most of the line is served by line 17, although the northernmost tip (Grefsen–Torshov) is served by line 18 which otherwise runs on the Grünerløkka� ...

of the

Oslo Tramway The Oslo tram network ( no, Trikken i Oslo, short from ', 'electric') is the tram system in Oslo, Norway. It consists of six lines with 99 stops and has a daily ridership of 132,000. It is operated by , a subsidiary of the municipally-owned who ...

routes around. "North of the Sinsen Interchange" is common expression in the Norwegian district debates, where inhabitants of Oslo are accused of being ignorant of the country north of the interchange. The expression cropped up in

revue A revue is a type of multi-act popular theatrical entertainment that combines music, dance, and sketches. The revue has its roots in 19th century popular entertainment and melodrama but grew into a substantial cultural presence of its own duri ...

s during the 1960s, and is probably due to that Sinsen then was the end point for the main road leading into Oslo from the north. The area is served by the

of the

. The

Oslo T-bane The Oslo Metro ( no, Oslo T-bane or or simply ) 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, wit ...

serves the neighborhood at Sinsen Station, while the

Gjøvik Line The Gjøvik Line ( no, Gjøvikbanen) is a Norwegian railway line between Oslo and Gjøvik. It was originally named the North Line (''Nordbanen'') and ran between Grefsen and Røykenvik. The line was completed to Gjøvik in 1902. The Gjøvik ...

serves the area at Grefsen Station.

The name

The neighbourhood is named after the old farm Sinsen ( Norse ''Sinnsin'', from ''*Sinnsvin''). The first element is the

genitive In grammar, the genitive case (abbreviated ) is the grammatical case that marks a word, usually a noun, as modifying another word, also usually a noun—thus indicating an attributive relationship of one noun to the other noun. A genitive can al ...

of ''sinn'' n 'road', the last element is ''vin'' f 'fungible'. The area was an important crossroads also in old times, where the road from the bottom of

Oslofjord The Oslofjord (, ; en, Oslo Fjord) is an inlet in the south-east of Norway, stretching from an imaginary line between the and lighthouses and down to in the south to Oslo in the north. It is part of the Skagerrak strait, connecting the Nor ...

ramified into the road east to

Romerike Romerike is a traditional district located north-east of Oslo, in what is today south-eastern Norway. It consists of the Viken municipalities Lillestrøm, Lørenskog, Nittedal, Rælingen and Aurskog-Høland in the southern end (Nedre Romerike), ...

and north to

Maridalen Maridalen is a valley situated just north of Oslo, Norway, just above the suburb of Kjelsås. Considering that Maridalen is within the Oslo city limits, Maridalen has a very low population density. The valley consists of forests, lakes and agricu ...

Hadeland Hadeland () is a traditional district in the southeastern part of Norway. It is centered on the southern part of the large lake Randsfjorden in Innlandet and Viken counties. The district consists of the municipalities Gran in Innlandet county ...

References

Neighbourhoods of Oslo {{Oslo-geo-stub