The first four tunnel boring machines are coming to New Jersey to build the Gateway rail tunnel. Here's what they do and why they're the safest method.

SAN JOSE – The Santa Clara Valley Transportation Authority said Monday it authorized the purchase of the transit tunnel boring machine to complete the five-mile underground section of the VTA BART ...

Mary, the tunnel boring machine that has been paving the way for the expanded Hampton Roads Bridge-Tunnel, hit a milestone Wednesday when she finished the first of twin tunnels that are part of the ...

Boring a tunnel is a very tedious job (the name of the operation gives it away), but one perfume salesman and space enthusiast has a different opinion. The Boring Company’s Elon Musk dreams that one ...

HAMPTON, Va. — On April 17, Mary the Tunnel Boring Machine emerged through the headwall at the Hampton end of the HRBT. Exactly six months later, she's starting her next journey: creating the twin ...

The machine is expected to take approximately three to four years to complete the five-mile-long tunnel. The boring machine will eventually be extracted on the east side of US 101 near Las Plumas ...

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 ...

Elon Musk’s oddball underground tunneling venture, the Boring Company, just completed a major milestone. Musk posted a video on Twitter showing the gigantic tunneling machine breaking through the ...

The Hudson Tunnel Project is marking another major milestone as it nears a critical point in the $16 billion process. During its Aug. 20 board meeting, Gateway Development Commission announced that ...