Construction has just completed on the 14-mile (23-kilometer) Desheng tunnel—China's longest single bore, double-track tunnel, which will accommodate high-speed trains traveling at nearly 125 MPH.

A tunnel boring machine names "Mary" has been digging a tunnel underneath the Chesapeake Bay in an effort to relieve congestion in the area.

With lights, ventilation, and rails, the subterranean route looked more like a subway than a secret. U.S. Border Patrol agents recently uncovered a sprawling, nearly 3,000-foot-long narcotics tunnel ...

The $20 trillion "Transatlantic Tunnel" construction that could connect the U.S. and the U.K. by rail has been branded a "high-risk" project by one of the world's leading megaproject experts. The ...

EAST RIVER — The Hugh L. Carey Tunnel, also known as the Brooklyn Battery Tunnel, is closed on Wednesday morning, Sept. 25. Notify NYC sent out an alert shortly before 10 a.m. about a planned road ...

BJP opposes construction in Bengaluru's green zones, voicing concerns over real estate impact and traffic congestion.