Results
1882 - 1960
Growth in traffic
The first tunnels through the Gotthard, Simplon and Lötschberg mountains are built in the late 19th and early 20th centuries. Traffic levels then…
View phase1961 - 1983
Idea and planning
Politicians and engineers develop a plan for a new rail tunnel linking the north and south of Switzerland in the 1960s. The primary motives behind…
View phase1983 - 1992
Planning and referendum
Politicians take up the NRLA plans once again in the 1980s. Public awareness of environmental issues is rising as a result of forest dieback. The plan…
View phase1992 - 2020
Planning and realisation
Planning proceeds at full speed from 1992. Exploratory boring starts in the mountains. Construction officially begins in 1999, with miners and boring…
View phase