The outbound Squirrel Hill Tunnel was closed after reports of two crashes during the Friday evening rush hour.Viewers shared photos of the scene inside the tunnel heading outbound from ...

The Pennsylvania Department of Transportation announced the Squirrel Hill Tunnel will undergo a three-day overnight closure ...

Manoj Garnayak, an underground construction expert, told a newspaper that that tunnels, if properly executed, do not harm the mountain or hill ecology. He told the Indian Express that tunnel ...

The Chiltern Tunnel is the longest on the HS2 project ... "We are investigating sinkholes on private land at Frith Hill in Buckinghamshire to understand whether they have resulted in any pollution ...