The tunnel replacing the Alaskan Way Viaduct (SR-99) will pass beneath 158 existing structures requiring an extensive program of vibration and settlement monitoring as well as some remediation. Of the 158 buildings, WSDOT identified 20 […]
Hitachi Zosen Corporation has been selected by Seattle Tunnel Partners, WSDOT’s joint venture constructing the SR 99 bored tunnel. Hitachi Zosen was the best value manufacturer based on overall technical requirements, support capabilities, price and […]
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 […]
The proposed tunnel to replace the seismically deficient Alaskan Way Viaduct in Downtown Seattle is no stranger to controversy. This article highlights recent discussions regarding the cost of the project. Washington Governor Chris Gregoire declared […]
A federal judge in Seattle dismissed a lawsuit Friday aimed at stopping construction of a tunnel replacement for the Alaskan Way Viaduct. Judge John Coughenour said the people who brought the suit in September hadn’t […]
A nifty BIM-type view of the proposed bored tunnel for Washington SR 99, the tunnel to replace the aging Alaskan Way Viaduct along Seattle’s waterfront. It’s pretty neat to see the piles and foundations for […]
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.
Controversy was swirling around last week’s Seattle Mayoral primary race as incumbent Mayor Greg Nickels supports the tunnel to replace the Alaskan Way Viaduct and challenger Michael McGinn wants to tear down the viaduct and […]
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