SEATTLE -- Bertha finished boring the path for a new tunnel under Seattle nearly one year ago. Since then, construction crews have finished installing a double-deck highway end-to-end inside the tunnel. That leaves crews to finish installing and testing the $3.2 billion tunnel's advanced operational and safety systems. So when will the tunnel open? How much will tolls cost? And what happens to the Alaskan Way Viaduct? When will the tunnel open and what happens to the viaduct? After the tunnel is finished, crews will close the Alaskan Way Viaduct for several weeks to realign the highway to the tunnel....