A portion of Seattle's Alaskan Way Viaduct is being replaced by a deep tunnel, and the machine purpose-built for the job is the world's largest tunnel boring machine (TBM), christened "Bertha." ...

SEATTLE -- Another part of the Alaskan Way Viaduct has gone to dust, and ahead of schedule to boot. Demolition crews have removed one of the viaduct's last remaining parts days early and the ...

Construction began last week at 553 First Ave. S. on the long-planned renovation of the tiny Triangle Hotel building in south ...