A highly anticipated report on the San Jose BART extension revealed that switching the tunnel design could add $600 million to the already $12.75 billion project – an estimate questioned by ...

Tunnel construction stands as a pivotal component in the development of modern infrastructure. With urbanization at its peak and space at a premium, the significance of efficient, safe, and ...

Apr. 28—TRAVERSE CITY — The proposed Line 5 tunnel beneath the Straits of Mackinac could explode if the current design is used, a tunnel engineer says. Long a subject of public debate, the proposed ...

It's not on the scale of Boston's Big Dig, but the Bremerton Tunnel Project nevertheless is poised to make a significant impact on traffic in this waterfront city across Puget Sound from Seattle.

BOSTON -- The Massachusetts Turnpike Authority is investigating the geometry of the Tip O'Neill Tunnel after an activist citizen proved to state officials, using their own data, that there have been ...