Over 200 underwater bridge tunnels exist for vehicular traffic around the world, providing connectivity between cities. Once constructed, however, these tunnels are difficult to monitor and maintain, ...

The Virginia Dept. of Transportation’s largest ever highway construction project—the Hampton Roads Bridge-Tunnel expansion—will double capacity with two new 7,900-ft-long bored tunnels and nearly ...

The Shanghai Outer Ring Tunnel runs across the Huangpu River, with areas covered by mucky soil and silty clay (top). The researchers placed a portable muon detector within the tunnel to monitor muon ...