Great Istanbul Tunnel

Great Istanbul Tunnel
Overview
Official name Büyük istanbul Tüneli
Location Istanbul, Turkey
Status Projected
Start Gayrettepe, Şişli, Istanbul
End Küçüksu, Beykoz, Istanbul
Operation
Owner Ministry of Transportation, Maritime and Communication
Traffic Road-rail
Technical
Length 6.5 km (4.0 mi)

The Great Istanbul Tunnel (Turkish: Büyük İstanbul Tüneli) is a proposed multi-use highway and railway undersea tunnel in Istanbul, Turkey to cross the Bosphorus strait. The project's completion is expected in 2020.[1]

Project

The project was officially announced by Prime minister Ahmet Davutoğlu on 27 February 2015.[2][3] 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 rail system. It will be 110 m (360 ft) under the sea level.[4] Situated between Gayrettepe on the European side and Küçüksu on the Asian side,[4] it will integrate the highways between the three airports of the city, Istanbul Atatürk Airport, Sabiha Gökçen Airport, Istanbul New Airport, and the nine rail lines of the Istanbul Metro.[3] The three bridges over the Bosphorus, 15 July Martyrs Bridge, Fatih Sultan Mehmet Bridge and Yavuz Sultan Selim Bridge, will be linked together through the tunnel.[5] 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.[1]

Construction

The RV Fugro Scout, a Singapore-flagged research/survey vessel of 83 m (272 ft) length and 20 m (66 ft) beam,[6] started soil survey works in Bosphorus on 28 July 2017 in order to determine the exact tunnel route.[7]

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. 1 2 "İstanbul'a 3 katlı tüp geçit". Milliyet (in Turkish). 2015-02-27. Retrieved 2016-08-12.
  2. ↑ "İstanbul'a 3 katlı tüp geçit!". Habertürk (in Turkish). 2015-02-27. Retrieved 2016-08-12.
  3. 1 2 "3 Katlı Büyük İstanbul Tüneli". CNN Türk (in Turkish). 2015-02-27. Retrieved 2016-08-12.
  4. 1 2 "İstanbul'a 3 katlı dev tünel". Posta (in Turkish). 2015-02-27. Retrieved 2016-08-12.
  5. ↑ "Istanbul's mega-project: World's first three-level tunnel to be built under the Bosporus". Daily Sabah. 2015-02-27. Retrieved 2016-08-12.
  6. ↑ "Fugro Scout". Marine Traffic. Retrieved 2017-07-29.
  7. ↑ Aksoyer, Ali (2017-07-28). "Büyük İstanbul Tüneli için ilk adım". Hürriyet (in Turkish). Retrieved 2017-07-29.

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

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