Hauenstein tunnel, north portal
Hauenstein tunnel, north portal , 05.1963 (SBB Historic)
An event offers an insight into the history of the NRLA through texts, photos, films and infographics. This document is part of the following events.
Long before the Gotthard and Lötschberg, the first base tunnel in Swiss rail history is driven through the hills at Hauenstein near Olten.