longest tunnel swiss alps

Switzerland opens world's longest tunnel under Alps | HULIQ

Jun 01, 2016 · Seventeen years after construction crews started boring beneath the Swiss Alps, the world's longest, deepest tunnel officially opened Wednesday.

Gotthard Base Tunnel - Wikipedia

The world`s longest tunnel has taken shape deep beneath the Swiss Alps as fifteen years of boring, drilling and carving through solid rock comes to a close.

Gotthard tunnel, world's longest, opens in Switzerland - CNN

The world's longest and deepest rail tunnel has officially opened in Switzerland, after almost two decades of construction work. The 57km (35-mile) twin-bore Gotthard base tunnel will provide a ...

World's longest tunnel under Swiss Alps -

Measuring 57 km in length, situated 2.3km deep under the Alps and having cost €11bn to complete, Switzerland’s Gotthard base tunnel is more than just the world’s longest and most expensive ...


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