Related Program: The Record Mayor Murray On Bertha: ‘I Don’t Think We Should Get Involved In Finger-Pointing’ By Ross Reynolds & David Hyde & Hannah Burn • Feb 11, 2014 Related Program: The Record TweetShareGoogle+Email Seattle Mayor Ed Murray. KUOW Photo/Bond Huberman Listen Listening... / 4:10 Ross Reynolds talks with Seattle Mayor Ed Murray about Bertha's continuing woes and who would ultimately be on the hook for cost overruns. Tags: Ed MurraygovernmenttransportationBerthaWSDOTTweetShareGoogle+Email Related Content Buried Treasure: Burke Museum On What's Ahead For Bertha By David Hyde & Posey Gruener • Feb 7, 2014 Courtesy of Burke Museum Listen Listening... / 5:43 David Hyde visits the basement of Burke Museum to speak with geology writer David Williams about the historical artifacts that have been unearthed by Seattle's relentless earth moving. Why Isn't Bertha Moving? By David Hyde & Amina Al-Sadi • Feb 7, 2014 Flickr Photo/Washington State Department of Transportation CC BY-NC-ND 2.0) Listen Listening... / 3:24 David Hyde talks with Mike Lindblom, Seattle Times transportation reporter, about why Bertha hasn't moved since December. Bertha is the world’s biggest tunnel boring machine that has been charged with digging out the replacement path for the Alaskan Way Viaduct under Seattle. Seattle's Tunnel Machine Chokes On Dirt By John Ryan • Feb 7, 2014 KUOW Photo/John Ryan State officials said Friday afternoon that the tunneling machine known as Bertha had to stop, not because it hit foreign objects, but because it clogged with dirt. Still No Answers For Stuck Bertha By Patricia Murphy • Jan 24, 2014 KUOW Photo/Patricia Murphy Listen Listening... / 1:14 So far, crews trying to determine what’s stalling the State Route 99 tunnel machine have found a hard object more than three feet wide lodged in it. They’ve also found metal and plastic piping. But what exactly is causing the stoppage is still unknown.