Calabar section of Nigeria's coastal highway will be flagged off April 14. Umahi says tunnel will link it with Sokoto-Badagry ...

The project will, in fact, be the world’s longest road and rail tunnel, and the world’s longest ... a safe and steady descent to the seafloor. Underwater cameras and bespoke positioning ...

Learn how the Fehmarn Belt underwater tunnel is being constructed and improving European connectivity with cutting-edge ...

A huge new undersea tunnel costing £6.2 billion is set to change the road and rail maps of Europe forever. Work is underway ...

The project will, in fact, be the world’s longest road and rail tunnel, and the world’s longest immersed ... filled with water aiding a safe and steady descent to the seafloor. Underwater cameras and ...