Gotthard Base Tunnel
Gotthard Base Tunnel runs 57 kilometers (around 35 miles) through the Swiss Alps, and it opened on June 1, 2016. The Gotthard Base Tunnel was a part of the AlpTransit program, which sought to improve rail travel speeds from the north to south and advance European integration.
- Joyous Swiss celebrate longest tunnel
- Gotthard tunnel: World's longest and deepest rail tunnel opens in Switzerland. BBC. June 1, 2016. Retrieved September 9, 2016.
- AlpTransit: Overview. alptransit-portal.ch. Retrieved September 9, 2016.
- Barrow, Keith (June 15, 2016). Gotthard Base Tunnel: the final straight. railjournal.com. Retrieved September 9, 2016.