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With final piece of roadway in place, the SR 99 tunnel begins to take shape
Seattle Curbed   27 March 2018   USA   Seattle  
The southbound deck of the State Route 99 tunnel, pictured in January 2018. Courtey of WSDOT
<p>It&rsquo;s been almost a year since Bertha the tunnel-boring machine completed its job drilling the tunnel that will eventually replace the State Route 99 Viaduct, and in the drill&rsquo;s wake, crews have been busy building a road. Now, that work is largely ...
Filed under: Construction News