National Academies of Sciences%2c Engineering%2c and Medicine

Safety in the Underground Construction and Operation of the Exploratory Studies Facility at Yucca Mountain

The paper begins with a brief outline of the scope and size of the Channel Tunnel project and the author's particular role of control of four types of underground logistic service: a 900-mm ...
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The Channel Tunnel: Building the World's Longest Undersea Tunnel

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Engineering News-Record

$11.5B Brenner Base Tunnel Nears End of TBM Excavation

With fewer than 6 km left on the final Alpine drives, the $11.5B Brenner Base Tunnel shifts toward systems installation and a planned 2028 opening.
Jalopnik

Norway's New Undersea Tunnel Is So Long It's Getting Its Own Roundabout

What's the longest underwater tunnel you've ever driven through? The Holland Tunnel into Manhattan, or maybe the Battery Tunnel into Brooklyn? Well, Norway laughs at your pitiful American underwater ...