Related Program: The Record Bertha Costs: Who Will Pick Up The Tab? By Marcie Sillman & Hannah Burn • Apr 29, 2014 Related Program: The Record TweetShareGoogle+Email Bertha, the SR 99 tunnel machine, has stopped and will not likely begin tunneling again until next spring. Flickr Photo/WSDOT (CC-BY-NC-ND) Listen Listening... / 5:54 Marcie Sillman talks with Lynn Peterson, Washington state transportation secretary, about the estimated $125 million in extra costs for Bertha's tunneling delay. Tags: BerthatransportationgovernmentTweetShareGoogle+Email Related Content Bertha's Progress By Kara McDermott • Mar 21, 2014 Flickr Photo/WSDOT (CC-BY-NC-ND) Bertha, the world's biggest tunneling machine, is a five-story-tall monstrosity of drilling tasked with digging out the tunnel for State Route 99 to replace the Alaskan Way Viaduct. The State Route 99 Tunnel Project Flickr Photo/WSDOT (CC-BY-NC-ND) No More Tunneling By Bertha Until March 2015 By John Ryan • Apr 22, 2014 KUOW Photo/John Ryan State transportation officials say the tunnel machine now stuck beneath the downtown Seattle waterfront won't resume tunneling for another 10 months. Digging is now forecast to resume in March 2015. Tunnel Machine Set To Dig Under Seattle, But It's Not Bertha By John Ryan • Apr 28, 2014 KUOW Photo/John Ryan Listen Listening... / 2:12 A tunnel machine is set to resume digging beneath the streets of Seattle in mid-June. No, it's not Bertha. It's Brenda.