Tacoma I-5 Changes Include Bridges, HOV Lanes

ENR Northwest » Tacoma’s stretch of Interstate 5, with three new bridges, new lanes and ramps, is taking on a new look.

2017-10-12T11:48:08+00:00 October 9th, 2017|Bridges, Highways, Roads, Washington|

Bertha Launch Pits Become Tunnels

ENR Northwest » The launch and exit pits created for tunnel-boring machine Bertha in Seattle are in the last phase of being transformed into parts of the multilevel roadway that replaces the Alaskan Way Viaduct. Here’s how the process works.

2017-10-12T09:36:16+00:00 October 2nd, 2017|Alaskan Way Viaduct, Design-Build, Highways, Washington|

Video: Bertha’s journey under the streets of Seattle

The Seattle Times » A 360-degree video shot inside the tunnel being built beneath Seattle gives viewers a unique new perspective of what it’s like to bore a 2-mile tube and construct a highway 200 feet underground.

2017-06-28T13:46:23+00:00 March 10th, 2017|Alaskan Way Viaduct, Design-Build, Roads, Washington|
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