The contractor digging a highway tunnel under Seattle is asking for $190 million in extra pay. Documents obtained by The Seattle Times show Seattle Tunnel Partners has asked for $62.6 million in ...

Sound Transit contractors are tunneling under downtown Bellevue, but you won’t find a big tunnel-boring machine like Seattle’s Bertha. The light rail tunnel will connect the East Main light rail ...

There is no telling what could be found during excavation of an old landfill beneath a crumbling parking lot on Manhattan's 12th Avenue — or in the swampy Meadowlands of North Jersey — during the dig ...

Silicon Valley transit officials are moving forward with plans to dig a single tunnel and close their BART extension funding ...

The feds and the state are helping to foot the bill for a massive public works project which includes a construction site ...

Asked at a community meeting if the state is considering replacing the Tobin Bridge with a tunnel, the project manager leading planning studies responded Wednesday that it wasn’t out of the question.

A plan by Elon Musk’s Boring Company to maximize its Las Vegas investment while digging an at least 68-mile long labyrinth of ...

Search crews are digging out a tunnel system near Interstate 5 in Sacramento for a man reportedly not seen in days, ...