Why is the Gotthard Base Tunnel so important? - SWI
Swiss Review: In the shadow of the largest railway tunnel in the world
Engineers meet challenge of Gotthard tunnel - SWI
Gotthard Road Tunnel - Wikipedia
Gotthard: the world's longest railway tunnel officially opens
Swiss Shippers Council and Contship Italia: discussing intermodal connectivity after finishing of Gotthard Tunnel
Swiss Gotthard Tunnel to Reopen Aug. 23 for Freight as Repair Continues - Bloomberg
Gotthard Base Tunnel, Definition, Switzerland, Opening, & Facts
Video World's Longest and Deepest Train Tunnel Unveiled - ABC News
The new Gotthard Base Tunnel was opened on June 1, 2016. Tiny Switzerland🇨🇭 believes size does not matter, however we are proud to have the world's longest railway tunnel🚉 – the Gotthard
GOTTHARD BASE TUNNEL OPEN FOR BUSINESS
LÜTZE equipment has proven itself in the Gotthard Base Tunnel