Tennessee announces plans for a privately funded underground tunnel that will connect downtown Nashville to the airport in ...

When will crews complete the first of 10 projects to build new tunnels connecting New Jersey and New York under the Hudson ...

Currently, the world's longest undersea section of a tunnel belongs to the Channel Tunnel, which has a 23.5-mile (37.9 ...

A controversial proposal to build a Tesla tunnel connecting Nashville International Airport to downtown is moving forward ...

The proposed tunnel could use developing technology to reduce the travel time between the cities to less than an hour.

DC Water is mobilised and ready to begin major construction for the 8.8km long, 5.5m diameter Potomac River Tunnel ...