Underwater tunnels around the world, including Hong Kong's metro tunnel system and San Francisco's Bay Area Rapid Transit tunnel, were put together like this.

Valley Water in the South Bay is set to vote Tuesday on whether or not to join other local water agencies in contributing to Gov. Gavin Newsom's Central Valley water tunnel project. A dozen ...

China has unveiled an underwater structure that doubles as a bridge, complete with man-made islands This colossal ...

“They’re driving down a ring,” said Chesapeake Bay ... underwater to the second island. You can also say goodbye to head-on ...

Chessie, a tunnel-boring machine, has completed her work on the Chesapeake Bay Bridge-Tunnel's new Parallel Thimble Shoal Tunnel. The machine removed 500,000 cubic yards of soil, and installed ...

VIRGINIA BEACH, Va. — After multiple delays, including a 9-month delay involving a century-old anchor, the Chesapeake Bay Bridge-Tunnel (CBBT) expansion achieved a major milestone as its tunnel ...

It can be found in southern China in the greater bay area of Guangdong ... seas and features not only a bridge but, also two underwater tunnels and man-made islands. The bridge will significantly ...