Bertha Stopped Because the Machine "May Be Several Inches Off" Tunnel Alignment, State Says

by Sydney BrownstoneHow many inches off is the drilling machine? We don't know yet, but the Washington State Department of Transportation assures us it's not feet.Washington State Department of Transportation
Bertha, the $80 million tunnel boring machine making a tunnel for cars beneath downtown Seattle, has been humming along without a significant amount of issues since its enormous, two-year repair wrapped up at the end of 2015. But in the final stretch of drilling, it looks like engineers hav