DC Water’s giant tunnel boring machine, named Chris, broke through a wall of concrete to reach the W Street shaft, a key milestone in...
The Virginia Department of Transportation (VDOT) announced the Hampton Roads Bridge-Tunnel (HRBT) Expansion Project will move forward with the bored-tunnel construction method to deliver the next connection across the Hampton Roads harbor.
The Washington State Department of Transportation (WSDOT) released a drone video showing two miles of ongoing construction work inside Seattle’s SR 99 tunnel.
In early September, the New York City Department of Environmental Protection (DEP) began tunneling for the Delaware Aqueduct Bypass Tunnel — the largest repair project in the 175-year history of New York City’s drinking water supply.
The $1.55 billion Metro Regional Connector Transit Project, a 1.9-mile long subterranean twin rail tunnel linking Los Angles’ Gold, Blue and Expo lines, punched through the site of the future 2nd/Hope Station in Bunker Hill.