Bertha, the SR 99 tunneling machine, reached her stopping point in the SR 99 tunnel access pit on Tuesday night, March 3, 2015. This cleared the way for Seattle Tunnel Partners to begin a disassembly process that will likely take weeks. This time lapse video captures part of her journey into the access pit.
–wsdot on YouTube
Tags: Bertha, Seattle, SR 99 Tunnel, Tunnel Boring, Tunnels, Video, WA, Washington, WSDOT, YouTube