Gov. Gavin Newsom is pushing to build a 45-mile water tunnel in California’s Delta. A new state report says the proposal is the “single most effective” action to adapt the state’s water system to ...

The Boring Company, owned by Elon Musk, plans to build a tunnel between downtown Nashville and the Nashville International Airport, sources have confirmed. The tunnel, likely 5-10 miles long, awaits ...

The devastating flooding in Houston caused by Hurricane Harvey in 2017 killed dozens of people, inundated hundreds of thousands of homes, and left the community desperate for a solution. Since then, ...

Top 10: World’s longest road tunnels ...