Bertha, the SR 99 tunneling machine, has arrived in Seattle. This short video provides an overview of Bertha’s journey and the work WSDOT is doing to replace the SR 99 Alaskan Way Viaduct. – wsdot on YouTube
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Bertha, the SR 99 tunneling machine, has arrived in Seattle. This short video provides an overview of Bertha’s journey and the work WSDOT is doing to replace the SR 99 Alaskan Way Viaduct. – wsdot on YouTube
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Courtesy of Hitachi Zosen Corp., this animation shows how the world’s largest tunneling machine works. – wsdot on YouTube
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SEATTLE DEPARTMENT OF TRANSPORTATION
The 2012 Transportation Action Agenda outlines policies, actions, and performance measures for SDOT over a two-year period. It is organized around five core principles.
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As part of a safety project for both motorists and the wildlife that roams near NE Novelty Hill Road, King County will soon begin work on a wildlife crossing over the busy stretch of roadway.-KCDOTVideo on YouTube.
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Crews working for WSDOT hustle to set 42 girders for a new lidded overpass on SR 520. See how much progress is made from a weekend closure of the roadway. – wsdot on YouTube
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This is the seventeenth in a series of entries celebrating infrastructure achievements in the United States.
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Tunnel at the very edge of the city of Seattle that connects to a bunch of trails on both sides, including the path along the side of the I-90 floating bridge to Mercer Island. – alexwarrior1 on Youtube
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Brightwater 8/16 Tunnel – KCDOTVideo on YouTube … “In response to increased growth in our region, King County is constructing a new regional wastewater treatment plant, called Brightwater. Construction started in 2006. Treatment plant start-up and operations will begin in 2011, with the entire system scheduled to be completed in 2012.” King County, Washington
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