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

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 ...

Work to begin digging a new Hudson Tunnel is set to begin this spring as two tunnel boring machines custom-built for the project are on their way to New Jersey. The new rail tunnel, called the Gateway ...

The projects aim to prepare a stable path for tunnel boring machines that will excavate the new two-track tunnel under the Hudson River. Challenges include navigating varying geological conditions, ...

The Boring Company said tunneling beneath Nashville presents new geological challenges compared to its previous projects, according to a new company social media post. Nashville sits upon ...

Disassembled sections of two tunnel boring machines that will help dig a $16 billion rail tunnel between North Jersey and Manhattan are on their way to the Garden State. The German-made machines were ...

On a flat, windswept green plain north of Hamburg in the state of Schleswig-Holstein, Germany, a Herrenknecht tunnel boring machine is now 200 meters deep into burrowing under the Elbe River estuary.