This 1935 cover shows three workers in a sewer tunnel in Chicago that is being driven through blue clay.

Henry Russell’s earliest memory from inside a tunnel was riding Boston’s subway on the lap of his grandfather, a motorman for the Metropolitan Transit Authority, predecessor of the Massachusetts Bay Transportation Authority.

State water agency's final environmental impact report on the proposed Delta Conveyance Project now is reduced in scope compared to other considered options after feedback.

As the last of 41 workers trapped for 17 days emerged this week, there are growing calls to reemphasize safety and geology risks as the nation embarks on a rapid infrastructure buildout.

Gateway Development Commission expects to award a contract worth more than $1 billion next year.

Public outreach has begun related to the San Diego to San Luis Obispo project along a portion of the nation’s second-busiest passenger rail corridor.

The Norwegian Public Road Authority has yet to award the third contract covering the 5.7 miles of the tunnel's central section.

Photographs chosen by our editors from submissions to ENR.com/midatlantic/photos.

The planned 170-mile rail line between Lyons, France, and Turin, Italy would include about 100 miles of access and running tunnels.

Controversial plan moves forward to build a 45-mile-long tunnel to draw water from the Sacramento River into the state's supply network.