A 700-foot-long tunnel boring machine named Mary is being assembled in Washington, D.C., to dig a 5.5-mile stormwater and ...

Add Yahoo as a preferred source to see more of our stories on Google. Next year, the first modern tunnel-boring machines ever used in New Jersey will arrive in North Bergen to begin drilling the first ...

HAMPTON, Va. — With a loud groan, and cheers and applause from a crowd of onlookers, Mary, the tunnel-boring machine, broke through onto the south island of the Hampton Roads Bridge Tunnel Wednesday ...

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 ...

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 ...

VIRGINIA BEACH, Va. — The huge boring tool affectionately known as 'Chessie is once again digging through the bottom of the Chesapeake Bay. "So think about a four-story building as long as a football ...

Chinese engineers have managed to turn disaster into a masterful engineering feat by rescuing ...

Students across our state will have a chance to name the world’s largest tunnel boring machine. Next summer, the machine will begin work underneath downtown Seattle making way for the viaduct ...

Cross passages between both bores of London's 0.7-mile Silvertown tunnel are nearing completion in frozen ground, marking the end of excavations on the River Thames crossing. The $1.5-billion ...