Crews are trucking in concrete rubble from the Alaskan Way Viaduct demolition to fill in the city's 3,140-ft-long Battery Street Tunnel.

Crews will erect a steel support structure to hold the 1962-built roof, then remove the existing arena below before rebuilding the arena in time for the 2021 NHL season.

The Sound Transit project cleared a key hurdle toward gaining a $790 million federal grant and will move into the engineering phase.

The 14-mile Sound Transit East Link light rail extension remains on track for a 2023 launch of the Blue Line.

Home to the largest ferry terminal building in the state, Colman Dock’s upgrades coincide with the new tunnel and viaduct removal work near the waterfront. 

As Seattle's new State Route 99 tunnel welcomes vehicle traffic, crews continue to demolish the aging (it opened in 1953) and vulnerable Alaskan Way Viaduct along the waterfront. 

The laboratory is the first major Hanford Waste Treatment and Immobilization Plant facility to complete systems turnover work.