A man died on a Half Moon Bay beach after a tunnel he was digging collapsed, burying him under four feet of sand Monday night.
Behind a sturdy, rusted door, scrawled with ‘Don Not Enter’ signs lies the key to learning more about the Hayward Fault. What’s known as the Lawson Adit actually looks like a dungeon for naughty Cal students.
KCBS’s Anna Duckworth took a tour of the tunneling taking place under San Francisco for the Central Subway project.
The third bore of the Caldecott Tunnel and part of westbound state Highway 24 near the tunnel in Oakland will close for several hours early Sunday morning to enable the removal of an old roadway sign.
The new westbound fourth bore of the Caldecott Tunnel in Orinda has officially opened to the public Saturday morning.
The new fourth bore of the Caldecott Tunnel will open by Saturday morning, a Caltrans director said Friday.
Fire safety drills were taking place in the Caldecott Tunnel’s new fourth bore Monday in preparation for the bore’s opening later this month.
Tunneling work for the Central Subway project in San Francisco is set to begin in the coming weeks, with the underground work beginning at 4th and Harrison streets.
Traffic was flowing smoothly through California’s newest tunnel system at Devil’s Slide in San Mateo County Tuesday, a California Highway Patrol officer said.
Hundreds gathered on a coastal San Mateo County hillside Monday to celebrate the opening of two tunnels that will replace a notorious stretch of state Highway 1 at Devil’s Slide.