Courtesy of Hitachi Zosen Corp., this animation shows how the world’s largest tunneling machine works. – 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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By breaching a 40 year old levee, engineers reconnect historic Entiat River side channels and develop valuable salmon and steelhead habitat. The Tyee Ranch Project in north central Washington state has gigantic wood structures that mimic natural log jams. The intent is to create scour holes and deep cover for fish. http://on.doi.gov/XXyTGY -reclamation on YouTube.
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A montage of the work that will happen on I-90 over Snoqualmie Pass this summer, showing you what happens behind the scenes during closures Monday through Thursday an hour before sunset. These closures are planned for an hour, but could take longer due to the nature of the blast and the amount of debris that [...]
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Cities throughout King County are installing new types of bicycle facilities to create a safer, more pleasant environment for cycling. Bike boxes, shared transit/bicycle lanes, transit islands and streetcar tracks are just some of them where cyclists and transit operators need to be prepared for each other’s movements. -KCDOTVideo 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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The second cycle of six pontoons for a replacement State Route 520 floating bridge were towed out of the Concrete Technology Corporation casting basin in Tacoma, Wash., from Jan. 28 to Jan. 31, 2013. In this time-lapse video, crews maneuver a large T-pontoon into position to add the additional floatation needed to tow the supplemental [...]
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This animation shows an example of what a tunnel boring machine looks like and how it works. – wsdot on YouTube
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Builders Of Bridges – 1928 Bridge Construction Educational Documentary – rubythroat281 on YouTube
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A 3D visualization of proposed Alternative 1 from the the M Street SE/SW Transportation Study. More information is available at: http://www.anacostiawaterfront.org/awi-transportation-projects/m-street-se-sw-transportation-study/ See other alternatives here: Alternative 2 and Alternative 3 -DDOTVideos on YouTube.
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