57 km (37 miles) long, 2.3 km (1.4 miles) under the ground. Planning began in 1947. Due to bureaucratic delays, construction did not begin until 1999. 17 years to build. Cost: $12 billion.
The tunnel provides a duller way to travel. Before the tunnel, the only route was a zigzagging, undulating route with breathtaking views of the Alps.
Spectacular Opening Ceremony
Cirque du Soleil beware, you may have stiff competition coming along here, unless they find another tunnel to dig.
“World’s Longest Rail Tunnel Is Open. 57 Km Long, Designed In 1947” from NDTV India
“World’s longest rail tunnel to open in Switzerland under Alps,,” in the Guardian
Tunnel Wars — it’s exciting to watch these battles, the pace is nice and slow :