Tunnel finishes and cross passages, which connect the train tunnels and provide emergency exits, are scheduled to be complete by the first quarter of 2018. Tunneling with the tunnel boring machines is expected to be complete by the end of this year. Crews will then spend two to three months refurbishing the selected TBM to prepare for its launch to the University of Washington. Once inspections are complete, the contractor will determine which machine will be used to mine the final tunnel segment. It is expected to reach Husky Stadium within the next two weeks.īoth machines will undergo a thorough inspection at their respective hole-through sites. Another tunnel boring machine, TBM #1, launched from the Maple Leaf Portal July 2014 and reached the U District Station site last November. The tunnel boring machine today, TBM #2, launched from the Maple Leaf Portal at Northeast 94th Street south of Northgate Mall November 2014. The hole through today completed the fourth of six tunnel segments being mined by JCM Northlink LLC, Sound Transit’s tunneling contractor for the Northgate Link light rail extension. “With more tunneling work under way and construction of Northgate Station starting this year, we’re on target to extend fast, reliable light-rail service to Northgate in 2021.” ![]() “Just days after we celebrated the opening of the new light-rail station at Husky Stadium, we’ve reached an important milestone on a tunnel project that will connect the University District to high-capacity mass transit,” said Sound Transit Board Chair and King County Executive Dow Constantine. The U District Station will be on Brooklyn Ave NE between NE 43rd to 45th Streets
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