Seattle's tunnel: No boring way it'll be done on time Looking into the Highway 99 tunnel from the "launch pit." by Matt A. Fikse / January 27, 2014
Why is Bertha stuck? WSDOT's 5 levels of tunnel-drilling hell Tunneling crews discuss their progress as they operate Bertha, the world’s largest tunneling machine, in November 2013. by Matt A. Fikse / January 20, 2014