LOS ANGELES (CBSLA) — Two tunnel-digging machines that will bore through the ground to create a path for the Metro Purple Line subway under Wilshire Boulevard were unveiled today. The tunnel-boring ...

The long-promised Blue Line métro extension will be built primarily by a tunnel-boring machine that is among the largest of its kind in the world. On Monday, the STM unveiled the machine, which ...

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A 950-ton steel tunnel-boring machine named Harriet that carved out 2 miles of earth for a light rail line headed to Los Angeles International Airport will be dismantled underneath South Los Angeles ...

Elon Musk has announced via Twitter that The Boring Company’s newest invention for tunnel excavation is “almost ready.” This, the second boring machine, will be dubbed Line-Storm, a moniker inspired ...

The state-of-the-art boring machine will dig the largest single-bore transit tunnel in the world, nearly 54 feet in diameter. It's capable of digging 30 to 40 feet a day, according to VTA. "There's no ...

Boring is the method used to enlarge a hole that has already been cast or drilled via a single-point cutting tool or a boring head that contains multiple such tools. The hole created by a boring ...