10. West Qinling Tunnel


  • length: 28.2 km
  • location: Qinling, China
  • completion of construction: 2008 – 2016
  • construction cost: ???

9. Guadarrama Tunnel


  • length: 28.4 km
  • location: Sierra de Guadarrama, Spain
  • completion of construction: 2002 – 2007
  • construction cost: ???

8. New Guanjiao Tunnel


New Guanjiao Tunnel grafika

fot. mayanming / wikipedia.org (CC BY-SA 3.0)

  • length: 32.6 km
  • location: Guanjiao Mountain, China
  • years of construction: 2007 – 2014
  • construction cost: ???

7. Lötschberg Base Tunnel


Lötschberg Base Tunnel grafika

fot. Cooper.ch 20:31, 15 August 2006 (UTC) / wikipedia.org (CC BY-SA 2.5)

  • length: 34.5 km
  • location: Switzerland (Alps)
  • years of construction: 1999 – 2007
  • construction cost: ???

6. Shenzhen Hong Kong Tunnel


  • length: 35.6 km
  • location: Shenzhen, China / Hong Kong
  • completion of construction: 2018
  • construction cost: ???

5. Songshan Lake Tunnel


  • length: 38.8 km
  • location: Dongguan, China
  • completion of construction: 2016
  • construction cost: ???

4. Yulhyeon Tunnel


  • length: 50.3 km
  • location: Gyeonggi-do, South Korea
  • years of construction: 2012 – 2016
  • construction cost: ???

3. Channel Tunnel


Channel Tunnel grafika

fot. Billy69150 / wikipedia.org (CC BY-SA 4.0)

  • length: 50.4 km
  • location: Great Britain / France
  • years of construction: 1987 – 1994
  • construction cost: 4,650,000,000 pounds

2. Seikan Tunnel


Seikan Tunnel grafika

fot. Bmazerolles / wikipedia.org (CC BY-SA 4.0)

  • length: 53.8 km
  • location: Japan (near the Tsugaru Strait)
  • years of construction: 1971 – 1988
  • construction cost: EUR 11,000,000,000

1. Gotthard Base Tunnel


Gotthard Base Tunnel grafika

fot. Hannes Ortlieb / wikipedia.org (CC BY-SA 3.0)

  • length: 57.1 km
  • location: Switzerland (Alps)
  • years of construction: 1996 – 2016
  • construction cost: $ 7,000,000,000