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.

FORT WAYNE, Ind. (WANE) – The city’s tunnel boring machine is sitting ready to be disassembled more than 100 feet below Foster Park. WANE 15 got a look at the big drill after it completed its task ...

Railway tunnel construction shortens the route length by allowing rail lines to pass through natural obstacles. These are particularly prevalent when it comes to passages and tunnels through mountains ...

The first section of the world's longest underwater road and rail tunnel has been constructed, putting the project on track for completion by the end of the decade. At 18,000 meters, The Fehmarnbelt ...

The Gateway Development Commission (GDC), which is overseeing the Hudson Tunnel Project (HTP), this week released a video animation outlining what will take place as part of a major early work ...

The construction of HS2’s longest green tunnel took a major step forward this week with the realignment of a key local road, ...

Workers drill during construction of the Flathead Tunnel in early June, 1968. (Mel Ruder/Hungry Horse News file photo) Conditions inside the Flathead Tunnel during construction. (Mel Ruder/Hungry ...

It's not on the scale of Boston's Big Dig, but the Bremerton Tunnel Project nevertheless is poised to make a significant impact on traffic in this waterfront city across Puget Sound from Seattle.