Washington's SR-99 viaduct replacement boring machine
Hey, fans of huge machinery! Did you know that the world's largest tunnel boring machine is nearing completion in Japan? And it will be used to bore a new viaduct for SR-99 under Seattle as part of the Alaska Way Viaduct Replacement Program.
http://farm9.staticflickr.com/8445/7895 ... 912aa7.jpg
More pictures: http://www.flickr.com/photos/wsdot/sets ... 880763139/
http://farm9.staticflickr.com/8445/7895 ... 912aa7.jpg
More pictures: http://www.flickr.com/photos/wsdot/sets ... 880763139/
Re: Washington's SR-99 viaduct replacement boring machine