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Kaisantunneli

Cycling in FinlandCycling tunnelsTransport in HelsinkiTunnels completed in 2024Tunnels in Finland
Kaisantunneli pedestrian and bicycle tunnel (Helsinki, Finland) opening day May 4, 2024
Kaisantunneli pedestrian and bicycle tunnel (Helsinki, Finland) opening day May 4, 2024

Kaisantunneli (Swedish: Kajsatunneln) is a tunnel for bicycle and pedestrian use in central Helsinki, Finland, serving as the main east–west cycling thoroughfare in the city centre. The tunnel is located directly underneath the Central Station, and joins the city's eastern and western cycling routes, cutting previous travel distance around the station by up to 600 metres (2,000 ft) and avoiding several sets of traffic lights, as well as removing much of the cycle traffic from the busy Kaivokatu street. Its western end connects directly to the Baana cycle path. The width of the tunnel is split roughly 50:50 between pedestrian and cycling lanes. The tunnel allows direct access to the station platforms, and connects with the separate pedestrian-only tunnel under the station. Additional cycle park for 900 bikes, as well as bike servicing facilities, will be opened in the tunnel later. Construction of the tunnel began in spring 2021 and was expected to be complete in autumn 2023, but in the end the tunnel opened to the public on 4 May 2024. The construction was especially challenging, on account of some old masonry and timber support structures underpinning the station, which were only discovered after construction had already begun. The construction cost c. EUR 33m, with the final figure exceeding the budget by some EUR 10m. The tunnel is expected to be used by up to 10,000 cyclists daily.

Excerpt from the Wikipedia article Kaisantunneli (License: CC BY-SA 3.0, Authors, Images).

Kaisantunneli
Kaisantunneli, Helsinki City Centre (Southern major district)

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Latitude Longitude
N 60.1733 ° E 24.9411 °
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Kaisantunneli

Kaisantunneli
00014 Helsinki, City Centre (Southern major district)
Finland
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Kaisantunneli pedestrian and bicycle tunnel (Helsinki, Finland) opening day May 4, 2024
Kaisantunneli pedestrian and bicycle tunnel (Helsinki, Finland) opening day May 4, 2024
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2010 Helsinki Central Station accident
2010 Helsinki Central Station accident

On 4 January 2010 at the Helsinki Central Station, four empty passenger carriages overran the buffers of platform 13. The carriages had broken free of their train during a shunting manoeuvre and ran under gravity down the gentle hill from Linnunlaulu before being diverting into an empty platform and impacting the buffers at 20–30 kilometres per hour.The eight-carriage train arriving from the depot had been due to form the 08:12 departure running from Helsinki to Kajaani, through central Finland via Lahti and Kuopio. The formation which broke away consisted of three double-decker "Intercity 2" carriages, followed by a single-decker restaurant car. The runaway carriages were quickly detected and deliberately routed into one of the shorter commuter platforms (fitted with large concrete barriers beyond the buffers) in order to minimise damage to the main station area. Passengers aboard an adjacent commuter train waiting to depart were ordered to leave their train and run away from the area and announcements were made over the station's loudspeaker system. The first carriage of the four runaway cars mounted the concrete barrier. Members of the public in an Ernst & Young office beyond the end of the platform and those in the Holiday Inn hotel above the platforms all escaped without injury. The first carriage then struck the hotel's conference room, causing extensive damage to the room. The conductor aboard the train as it came in sustained light injuries to their arm, with nobody else injured.Services had resumed—at a reduced level by the afternoon—following repairs to damage to the overhead line. The Finnish Accident Investigation Board announced that they would proceed with an investigation into why the brakes had not automatically applied. A restaurant car and one of the passenger carriages were towed to the depot by a diesel locomotive during the course of the night, after which the front carriage was partially dragged back out of the hotel building. The building that had taken the force of the crash was deemed to be structurally sound.On 18 January 2010 the Finnish Accident Investigation Board made available their interim report which concluded that the incident had been caused by a combination of bad weather and then human error. Initially, snow and ice had caused the front carriages to detach from the rest of the train; followed by the guard having released the brakes manually—not realizing that the two halves of the train were no longer coupled.

Library 10
Library 10

Library 10 (Finnish: Kirjasto 10; Swedish: Bibliotek 10) was a music and information technology space for the Helsinki City Library system from 2005 to 2018 in the Postitalo building in the center of Helsinki. When it closed on 30 September 2018, Library 10's services were transferred to the new Helsinki Central Library Oodi, which opened on 5 December 2018.Library 10 had the largest collection of music in the Helsinki City Library system, including recordings, sheet music and books inherited from the Music Station (Finnish: Musiikkiasemalta), which previously been maintained at the main City Library in Pasila. Its IT functions, as well as the collections of comics, film books, and travel guides, were inherited from the library's Kirjakaapeli experimental office.In 2008, Library 10 had some 600,000 visitors, mostly male and mostly between the ages of 19 and 35. About 20 percent of Library 10's 800 m2 (8,600 sq ft) of floor space was devoted to physical collections versus 80 percent to people. Of this area, 56 m2 (600 sq ft) was devoted to 12 m2 (130 sq ft) suites for audio editing, video editing, recording, and listening, along with a 20 m2 (220 sq ft) meeting room. An additional 25 m2 (270 sq ft) stage/performance space was also available, doubling as reading space with chairs and tables when events were not occurring. Beyond its public space, Library 10 had an additional 170 m2 (1,800 sq ft) of administrative and storage space.The library regularly hosted events, such as exhibitions, concerts, panels, and presentations. Library 10 was also known for its other innovative projects, including a public 3D printer. Operating as a makerspace, Library 10 included not just recording equipment and 3D printers, but also classes training people to use them.