DC Water breaks ground on a 5.5-mile tunnel under D.C. to capture sewage overflows, aiming to cut Potomac River pollution by ...

Mary,' D.C. Water's tunnel boring machine used for a new Potomac River project ...

India marks a milestone in railway infrastructure with the completion of its longest railway tunnel in Uttarakhand, a 14.6 km ...

Renovation at a home in Tielt used as a German military headquarters in World War I revealed a secret escape tunnel, officials said. Photo from Flanders Heritage Agency Contractors renovating a ...

Once completed, the Tonnelle Avenue site will have one of the shafts to launch two tunnel boring machines that will drill through rock in the Palisades. A separate shaft is being built at the ...