Megaprojects on MSN
How the World’s Longest Railway Tunnel Was Built
The Gotthard Base Tunnel in Switzerland is the world’s longest railway tunnel, stretching more than 35 miles beneath the Alps. Opened in 2016, it was engineered to streamline European transport, ...
Todd Caddy is the man behind the mirrored glass at Pittsburgh’s front door. His job: tunnel manager for PennDOT. From his office on a recent weekday morning on the south face of Mt. Washington, Caddy ...
Pedestrians and cyclists can now travel from the B&O Bike Trail to the Mansfield Art Center via a connector path and tunnel ...
Daily Express US on MSN
Inside project to build the world's deepest roundabout and undersea road
The massive infrastructure project will be the longest underwater road tunnel and the deepest tunnel in the world while also ...
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