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 ...

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 ...

Transport for London (TfL) has announced that the giant boring machines have been lowered 20m underground in Battersea and are ready start the Northern Line extension in the UK capital. Tunnelling ...