C onstruction enabling works for the Lower Thames Crossing, set to become the largest tunnel in Europe, has been scheduled to ...

The Laerdal Tunnel in Norway is the longest tunnel in the world and is particularly useful for tourists. It takes motorists around 20 minutes to drive through.

Therefore, it is considered the first major Roman road tunnel, and possibly in the world. Entrance on the side of Lake Avernus. Credit: Parco Archeologico Campi Flegrei . The entrance from Lake ...