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 ...

SEATTLE — The theme of the 2025 State of ... the $70 million multi-level park built along the footprint of the Alaskan Way Viaduct, torn down in 2019. According to the DSA, pedestrian volume ...

The theme of the 2025 State of Downtown was "path to progress," a nod to the growth and development of Seattle's economic ... along the footprint of the Alaskan Way Viaduct, torn down in 2019.