The Brenner Base Tunnel is a straight, flat railway tunnel connecting two countries. It runs for 55 km between Innsbruck and ...

Wearing a red hard hat and carrying a backpack with an emergency oxygen tank, I’m sweating as I get a rare look at the newest wonder of the world—the 35.4-mile Gotthard Base Tunnel ...

Switzerland’s Gotthard Base TunnelExternal link is the world’s longest (and deepest) railway tunnel. Opened in 2016 after 17 years of construction, it consists of two 57.1km single-track ...

This week marks the opening of the Silvertown Tunnel – a project that stands as a compelling example of the effectiveness of contemporary public-private partnerships (PPPs) in delivering ...