1882 - 2021
Beginning of time period
End of time period
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Phase 2: 1961 - 1984
Idea and planning
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Phase 1: 1882 - 1961
Growth in traffic
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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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17. May 1960
Visionaries
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31. December 2019
Ceneri, the third base tunnel
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14. July 1913
Link through the Lötschberg
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31. August 2005
Control in the tunnel
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26. November 2000
Geology and surveying
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31. May 2014
The four-metre corridor