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Alaskan Way Viaduct and Seawall Replacement Project (WSDOT)
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The Alaskan Way Viaduct

March 29, 2013 Update:

The world’s largest tunnel boring machine will be arriving by ship next week!  If you want more information (including suggested viewing locations), please click this link:

As part of Pioneer Square’s “First Thursday” program, WSDOT will be offering a walking tour to see views of the launch pit for the SR99 Tunnel on April 4th.  Reservations are required.  (More tours will also be offered throughout the next few months.)  For more information, please click this link:

If you can’t wait to see what is happening at the construction sites, there are time-lapse cameras (at 5 different locations) that are updated several times an hour.  Please click on this link to see the construction sites:

For more information about what is currently happening around the Alaskan Way Viaduct Replacement Program, please visit the following links:

To learn more about the Alaskan Way Viaduct Replacement Program:

Program Overview
Frequently Asked Questions (FAQs)

Questions?  Email or call 1-888-AWV-LINE (298-5463)


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