Add Yahoo as a preferred source to see more of our stories on Google. 00 longest tunnels opener laerda Tunnels are used to carry traffic through some of the most extreme terrain on the planet and they ...

The study of driving behaviour and safety in road tunnels has grown in significance as the number and complexity of tunnel systems continue to expand worldwide. Research in this field explores how ...

Norway is moving forward with a major transport project that is largely invisible to the public but significant in scale.

Penetrating seawater carries bacteria that form colonies – biofilm. The bacteria attack the concrete that is supposed to prevent stones from loosening from the tunnel walls. The concrete becomes ...

Join Autocar for a look at the some of the world's greatest underground construction projects ...