Tunnels may not be glamorous, but there are few things more satisfying than honking your car’s horn when driving in a tunnel bored through a mountain. The urge to test the acoustics of a car horn in a ...

Across two very different continents, scientists are mapping vast systems of ancient tunnels that were not carved by rivers ...

An engineering marvel made possible by the backbreaking and dangerous work performed by Chinese railroad workers has been designated a national historic civil engineering landmark. The Chinese ...

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 ...