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SR 99 tunnel cross section visualization | by WSDOT
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SR 99 tunnel cross section visualization

Design concept of State Route 99 tunnel. The tunnel, scheduled to open in late 2015, will replace the SR 99 Alaskan Way Viaduct in Seattle. This visualization is subject to change.

 

Visit www.alaskanwayviaduct.org for more information.

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Taken on January 29, 2010