Construction has started on the tunnel boring machine launch pit for the WSDOT SR 99 Tunnel Project (Viaduct Replacement). The 420 foot long pit is being constructed using secant pile retaining walls, with 2 rows […]
The $2B tunnel project for the replacement of the Alaskan Way Viaduct crossed a major hurdle with the approval of a document that will allow the environmental studies for the project to continue. Mayor McGinn’s […]
Seattle’s Alaskan Way Viaduct and Seawall Replacement Project is a political lightning rod, but this amazing simulation video released by WSDOT underscores what COULD happen if a significant earthquake struck the Seattle Downtown Waterfront area.