PITTSBURGH — The Liberty Tunnels Ventilation System in Pittsburgh has been recognized as a National Historic Civil Engineering Landmark by the American Society of Civil Engineers. Pennsylvania ...

Drivers using the Holland Tunnel to New Jersey overnight will need to find another way to cross the Hudson River for six days each week until 2025, starting on Feb. 5 when the Jersey bound tube begins ...

South Africa is home to a critical piece of transport infrastructure that is once again in the spotlight: the Huguenot Tunnel, currently the longest road tunnel on the African continent.