An investigation is underway to determine what led to a tunnel, under construction for the Los Angeles County Sanitation ...

The ambitious, $630 million, multiyear Clearwater Tunneling Project had made nearly flawless progress since launching in 2021 ...

All 31 construction workers who were far inside a huge industrial tunnel being dug under Los Angeles made it to safety after ...

These tunnels are part of the county’s main sewer system that treats wastewater from more than five million people in the Los Angeles Basin. The new tunnel will be seven miles long and “constructed ...

The tunnel, which is 18 feet wide and 7 miles long, is under the Wilmington neighborhood, a heavily industrial area filled ...

Some days, even the most carefully planned subterranean construction is ruined by an unexpected, thunderous collapse an ...

After a section of a large industrial tunnel caved in, more than two dozen construction workers who were hundreds of feet below the streets of Los Angeles raced for miles in the dark — clambering over ...

The workers were between five to six miles from the sole entry and exit point of the tunnel and about 400 feet below ground.

Fire Department Chief Ronnie Villanueva said the workers had to make it through the most treacherous part themselves, climbing over more than 12 feet (3.6 meters) of loose dirt before rescuers could ...