Lowering a highway in flash flood alley comes with obvious risks. So TxDOT's building a drainage tunnel wide enough to drive ...

Italy and Austria are on the verge of completing the longest underground rail tunnel in the world. The €10.5 billion ($12.3 ...

The startup is talking with a city near Austin about the possibility of three tunnels — one of which would lead to a Buc-ee's ...

One idea to prevent another hurricane catastrophe in Houston is massive underground tunnels to redirect storm water. New reporting reveals Elon Musk's Boring Company has been involved in the planning.

The Boring Company's Jim Fitzgerald shared the latest tunnel updates with a group of Nashville business leaders on Sept. 29. Here's what he said.

The Howard Street Tunnel reopened Friday after an $850 million rebuild, allowing double-stack freight trains to pass through ...