Engineered to endure the high-pressure conditions of the marine environment, the tunnel will link seamlessly with the larger ...

The tunnel is the world's first high-speed rail tunnel featuring a single bore with two tracks. With a designed speed of 350 kilometers per hour, it forms a crucial connection in the high-speed ...

The project will, in fact, be the world’s longest road and rail tunnel, and the world’s longest immersed tunnel. As an “immersed” tunnel, instead of being dug through solid land mass like ...