In the early decades of the 19th century, London was facing a major problem. The city had become the world's busiest port, but in order to transport goods from the docks to the heavily-populated ...

Mary’s job is done. On Wednesday, the tunnel-boring machine known as Mary, responsible for digging the two new tunnels for the Hampton Roads Bridge-Tunnel expansion, completed the second and final leg ...

NORFOLK, Va. — Mary the Tunnel Boring Machine has fully emerged from her newly-bored tunnel as part of the HRBT Expansion Project, and been turned around by crews, according to the Virginia Department ...

A colossal project to reduce traffic in the underground tunnels connecting the Virginia cities of Norfolk and Hampton just had a big breakthrough — literally. Since 1957, the two cities have been ...

The study of disc cutter wear in tunnel boring machines (TBMs) is fundamental to optimising both the economic and operational performance of subterranean construction projects. Disc cutter wear ...