Pin Itemailprint The breakthrough has happened! A drilling machine broke through the rock underneath the Swiss Alps on Friday morning, creating what will become the longest railroad tunnel in the world. Blippitt first told you about the Gotthard Base Tunnel back in September of last year, just after the breakthroughs of both the eastern tube [...]
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The Gotthard Base Tunnel now being drilled out beneath the Alps, the longest underground tunnel ever constructed, came one step closer to completion earlier this month when another two sections were connected. Tunnel boring engineers broke through the last several feet of rock between Erstfeld and Amsteg near the northern end. The breakthrough took place [...]
Continue reading " Gotthard Base Tunnel Ahead of Schedule (PHOTOS) "
