The world’s longest and deepest undersea road tunnel is being built in Norway, intended to cut travel time between major ...

OSLO, Norway (Reuters) -- Norway's King Harald opened the world's longest road tunnel Monday just hours after a tiny fire forced about 50 people to evacuate a bus in the heart of the 15.3-mile ...

Tunnels are used to carry traffic through some of the most extreme terrain on the planet and they help ease journeys with reduced travel time. While most tunnels offer a short underground burst of ...

This Stratford structure is hiding a rather hefty secret in the form of the longest and tallest tunnel slide in the world.

India’s biggest 13.34-metre Single Shield Tunnel Boring Machine has been safely lowered at the Thane portal, marking a ...

The Thane-Borivali project involves the construction of two parallel three-lane tunnels that will extend 11.8 km beneath the ...

Opened in 1988, it holds the title of the world's longest undersea rail tunnel and accommodates both high-speed and regional ...