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 ...

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 ...

A pair of behemoth tunneling machines are getting ready to begin a 3.9-mile underground journey on parallel paths that will one day be known as the first phase of the Purple Line extension stretching ...

Harriet was not quite ready for her close-up. The 950-ton tunnel boring machine named after African-American abolitionist Harriet Tubman was hoisted about five feet off the ground Monday. But Metro ...

They weighed 1200 tonnes each, the same as 171 elephants, measured 170 metres in length, and dug through 1.58 million tonnes of rock. Now that their job is done, they’ve been dismantled underground, ...

The New 4-14 S2 Improves Upon the 30-Year Legacy of the SPR York 4-14 Line Boring Product Line WEBSTER, TEXAS, UNITED STATES, November 2, 2022 /EINPresswire.com ...