World's longest and deepest rail tunnel opens

Switzerland has opened the largest and deepest railway tunnel across the Alps. Image: A general view shows the northern gates (L) of the NEAT Gotthard Base Tunnel near the town of Erstfeld,......

World's longest train tunnel

The Gotthard Base Tunnel is one of the world’s most beautiful engineering marvels.  Image: A journalist walks through an emergency tunnel at a multifunction and emergency stop station of......

Building the world's longest train tunnel

The world's longest train tunnel Gotthard Base Tunnel (GBT) is being constructed beneath the Swiss Alps. It is expected to be completed in 2016. This gigantic project stretches across a distance of......

World's longest railway tunnel

The excavation work to build the world's longest railway tunnel beneath the Swiss Alps is complete. The high-speed rail link in Switzerland, where passenger trains can travel at a maximum......