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

The Hudson Tunnel Project reached a key milestone as factory testing finished for two tunnel boring machines now headed to New Jersey.

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 ...

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 ...

This column originally appeared in On The Way, a weekly newsletter covering everything you need to know about NYC-area transportation. Sign up to get the full version, which includes answers to reader ...

The Santa Clara Valley Transportation Authority is all in on its plans to build a roughly five-mile long tunnel under downtown San Jose and Santa Clara for its Silicon Valley BART extension after ...

A giant HS2 boring machine has broken through to complete the first section of a 3.5-mile tunnel on the route’s approach into Birmingham. The 125-metre long, 1,600-tonne machine, named Mary Ann by the ...

After years of technical analysis, public input and federal review, the Santa Clara Valley Transportation Authority (VTA) recently selected the single-bore tunnel as the preferred design method for ...