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Great Istanbul Tunnel

From Wikipedia, the free encyclopedia

Great Istanbul Tunnel
Overview
Official nameBüyük İstanbul Tüneli
LocationIstanbul, Turkey
StatusUnder construction
StartGayrettepe, Şişli, Istanbul
EndKüçüksu, Beykoz, Istanbul
Operation
Work begun2018[1]
Opened2028[2]
OwnerMinistry of Transportation, Maritime and Communication
TrafficRoad-rail
Technical
Length6.5 km (4.0 mi)

The Great Istanbul Tunnel (Turkish: Büyük İstanbul Tüneli) is an under-construction multi-use highway and railway undersea tunnel in Istanbul, Turkey to cross the Bosphorus strait. It will be the third and the longest tunnel crossing the Bosphorus strait, at a length of 6.5 km, surpassing the Eurasia Tunnel at 5.4 km and the Marmaray Tunnel at 13.5 km.[1]

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Transcription

Project

The project was officially announced by Prime minister Ahmet Davutoğlu on 27 February 2015.[3][4] The tunnel, 6.5 km (4.0 mi) in length and 18.80 m (61.7 ft) in diameter, will consist of three levels, two levels for road traffic and one level for metro lines. It will be 110 m (360 ft) under the sea level.[5] Situated between Gayrettepe on the European side and Küçüksu on the Asian side,[5] it will integrate the highways between the three airports of the city, Istanbul Atatürk Airport, Sabiha Gökçen Airport, Istanbul Airport, and the nine metro lines of the Istanbul Metro.[4] The cost of the project will amount to US$3.5 billion. The financing of the construction will be on the build–operate–transfer basis.[6]

Construction

The RV Fugro Scout, a Singapore-flagged research/survey vessel of 83 m (272 ft) length and 20 m (66 ft) beam,[7] started soil survey works in Bosphorus on 28 July 2017 in order to determine the exact tunnel route.[8] Construction began in 2018, and was expected to be completed by 2023.[1] Due to some issues in land acquisition, the project is now expected to be completed by 2028.[2]

See also

  • Eurasia Tunnel, undersea road tunnel, crossing the Bosphorus and connecting the Asian and European sides of Istanbul.
  • Marmaray, undersea rail tunnel, crossing the Bosphorus and connecting the Asian and European sides of Istanbul.

References

  1. ^ a b c "The Great Istanbul Tunnel – The Fastest Road In The World". Lale Group. 5 August 2022. Retrieved 13 May 2023.
  2. ^ a b Smart, Belinda (12 May 2023). "'World's longest' underwater tunnel under construction in Istanbul and scheduled to open in 2028". New Civil Engineer. Retrieved 13 May 2023.
  3. ^ "İstanbul'a 3 katlı tüp geçit!". Habertürk (in Turkish). 2015-02-27. Retrieved 2016-08-12.
  4. ^ a b "3 Katlı Büyük İstanbul Tüneli". CNN Türk (in Turkish). 2015-02-27. Retrieved 2016-08-12.
  5. ^ a b "İstanbul'a 3 katlı dev tünel". Posta (in Turkish). 2015-02-27. Retrieved 2016-08-12.
  6. ^ "İstanbul'a 3 katlı tüp geçit". Milliyet (in Turkish). 2015-02-27. Retrieved 2016-08-12.
  7. ^ "Fugro Scout". Marine Traffic. Retrieved 2017-07-29.
  8. ^ Aksoyer, Ali (2017-07-28). "Büyük İstanbul Tüneli için ilk adım". Hürriyet (in Turkish). Retrieved 2017-07-29.


41°03′N 29°03′E / 41.050°N 29.050°E / 41.050; 29.050

This page was last edited on 30 January 2024, at 07:47
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