tunnel

Seattle's SR 99 tunnel will have cellular phone service, sprinklers in case of fire and a pedestrian escape route. It has 107 portable potties right now,…

The downtown Seattle tunnel that will replace the Alaskan Way viaduct is edging closer to completion.The upper level of the double-decker highway is about…

A tunnel machine is set to resume digging beneath the streets of Seattle in mid-June.No, it's not Bertha. It's Brenda.Bertha, the world's largest tunnel…

State transportation officials say the tunnel machine now stuck beneath the downtown Seattle waterfront won't resume tunneling for another 10 months.…

The past could present yet another obstacle to the future of the state Route 99 megaproject on the Seattle waterfront.Archaeologists with the tunnel…

Anyone who's hosted a party has probably had that panicky feeling beforehand: What if you throw a big party and nobody comes?State transportation…

State officials said Friday afternoon that the tunneling machine known as Bertha had to stop, not because it hit foreign objects, but because it clogged…

The world’s largest tunneling machine started grinding into the soil beneath downtown Seattle Tuesday afternoon. The machine known as Bertha is digging a…

Bertha is here. The world’s largest tunnel boring machine arrived in Seattle Tuesday after being shipped from Japan. It’s expected to reach land sometime…