1882 - 2021
Beginning of time period
End of time period
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11. July 1988
Five options
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Phase 4: 1992 - 2021
Planning and realisation
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19. June 1970
The tunnel plan
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16. December 2003
Yes to the Ceneri Base Tunnel
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15. April 2004
The costs
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31. December 2019
Ceneri, the third base tunnel
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31. January 1962
The Gotthard Base Tunnel
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31. May 2014
The four-metre corridor
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31. December 1867
Ticino sets the pace