It was April 4, 2017, when the work of tunneling machine Bertha was complete, breaking through into her disassembly pit and marking the end of the 1.75-mile long State Route 99 (SR 99) tunne...
Read MoreThe tunnel will become a double-decker highway, scheduled to open in 2019 It was in April of 2013 that the 57-foot wide boring machine arrived in Seattle after leaving Japan three weeks before....
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