In the 1930s, workers bored a 13-mile tunnel beneath Mt. San Jacinto. Here's a look inside the engineering feat that carries ...

Ninety feet below the East River, Amtrak’s 110 year-old train tunnels are slowly filling with salty water dripping on ...

Gov. Gavin Newsom is seeking to short-cut permitting of a proposed $20-billion water tunnel project. Environmental groups ...

As part of a revised budget to address a $12 billion shortfall in the upcoming year, Gov. Gavin Newsom included a request to ...

The tunnel is usually off-limits when it is filled and coursing with a massive stream of Colorado River water. But recently, while it was shut down for annual maintenance, the Metropolitan Water ...