TORONTO – Ontario is taking a concrete step toward an idea Premier Doug Ford has championed to build a tunnel under Highway ...

In the 1930s, workers bored a 13-mile tunnel beneath Mt. San Jacinto. Here's a look inside the engineering feat that carries ...

When seawater penetrates concrete in road tunnels, a biofilm is formed that breaks down the concrete. This can lead to high ...

The damage was likely caused by a truck grazing the ceiling, state officials say. Repair work to the ceiling will be done at ...

The San Jacinto Tunnel is a 13-mile-long, concrete-lined water tunnel built between 1933 and 1939, carrying Colorado River ...

Researchers in Sweden have discovered why concrete in underwater road tunnels can break down much faster than expected—and ...

The project offers a path forward that secures energy supplies, protects the Great Lakes and drives economic growth. The ...

The bacteria attack the concrete that is supposed to prevent stones from loosening from the tunnel walls. The concrete becomes porous and risks breaking apart. The biofilm gets its distinctive ...

"It's a huge facility here," says Henrik Vincentsen, chief executive of Femern, the state-owned Danish company that is ...

Burglars tunneled through a concrete wall to gain access to a Los Angeles jewelry store, making off with at least $10 million worth of watches, pendants, gold chains and other merchandise ...

It’s been more than half a century since it became more common to ship freight in trucks than by train. But when one company ...