Nicholas Reid, MRCagney's transport planner, estimated the tunnel to cost 50 billion New Zealand dollars (£25 billion), ...

But, Japan's Seikan Tunnel puts the iconic Channel to shame ... including highly advanced rock-boring equipment. The tunnel cost approximately £5.6 billion to construct and links Japan to ...

The Channel Tunnel is an undersea railway tunnel which connects the UK and France via Kent and Calais, beneath the English Channel. Having opened in 1994, it has the longest underwater section of ...

The undersea section is 25 miles long, making it the longest underwater tunnel in the world. Although it runs through the waters of the Channel it is built under the sea bed so you can’t wave at ...

The 6.5 km-long Z-Morh tunnel was finally inaugurated by PM Modi in Sonmarg, Kashmir. The tunnel provides all-weather connectivity between Sonamarg and the rest of the Valley ...