The Gotthard Base Tunnel is an engineering marvel, holding the title as the world's longest and deepest railway tunnel - but ...
VIRGINIA BEACH, Va. — After multiple delays, including a 9-month delay involving a century-old anchor, the Chesapeake Bay Bridge-Tunnel (CBBT) expansion achieved a major milestone as its tunnel boring ...
The Gotthard Base Tunnel in the Swiss Alps is the world's longest and deepest railway tunnel, spanning the 35.5-mile distance ...