The mountain range is central to the origin story of several tribal nations and has become an international symbol of the ...

Stumphouse Tunnel offers a rare glimpse into an unfinished railroad project that never came to be. Dark, eerie, and full of ...

The Newsom administration is pushing to build a $20-billion water tunnel. As state regulators hold hearings, the fight over ...

Motorists on the Pennsylvania Turnpike Northeast Extension will encounter lane restrictions through the Lehigh Tunnels over the next two weeks. Traffic in both directions will be down to a single lane ...

The Pennsylvania Turnpike says it will begin milling and repaving work at the Lehigh Tunnel starting April 6, causing lane ...

The Pennsylvania Turnpike advises motorists traveling on the Northeast Extension to be prepared for single lane patterns and ...

Multiple neighbors say the wife of the victim arrived home to find her house on fire and her husband trapped inside.

Abstract: Multirotors are usually desired to enter confined narrow tunnels that are barely accessible to humans in various applications including inspection, search and rescue, and so on. This task is ...