More From WSDOT

Stronger Big Bertha cutter head lowered back into its pit for tunneling

Stronger Big Bertha cutter head lowered back into its...

Posted by Bobby Atkinson on Aug 27, 2015

Big Bertha's massive cutter head is back underground after months of repairs were made to get the world's largest tunnel-boring ...

Washington state DOT testing zig-zagged road lines to get drivers’ attention

Washington state DOT testing zig-zagged road lines to...

Posted by Bobby Atkinson on Aug 20, 2015

Washington is trying out a European approach to getting drivers attention at a busy crossing path. According to KIRO TV, the ...

Cigarettes are causing roadside fires in Washington almost daily

Cigarettes are causing roadside fires in Washington...

Posted by Bobby Atkinson on Jul 28, 2015

Cigarette-sparked fires are becoming a daily occurrence in Washington, and the problem has worsened to the point that the state's Department of ...

Big Bertha is set to start drilling again in November after extensive repairs, testing

Big Bertha is set to start drilling again in November...

Posted by Bobby Atkinson on Jul 21, 2015

The world's largest tunnel-boring machine is now scheduled to get back to work on November 23, nearly two years after it overheated ...

Crews begin installation of Big Bertha’s new seal system

Crews begin installation of Big Bertha’s new seal...

Posted by Wayne Grayson on Jun 16, 2015

While the rest of her massive frame waits below ground, Big Bertha has undergone the most pivotal portion of her ...

Top FHWA official says unfinished Spokane project proves need for long-term highway bill

Top FHWA official says unfinished Spokane project...

Posted by Bobby Atkinson on May 28, 2015

The U.S. Department of Transportation’s acting administrator toured the incomplete North Spokane Corridor last week and said the half-built project ...

Damage to Big Bertha worse than previously thought

Damage to Big Bertha worse than previously thought

Posted by Wayne Grayson on May 26, 2015

Now that crews are well into the process of dismantling her front-end for necessary repairs, it's clear that damage to ...

Board rules WSDOT should have given contractor more warning about pipe struck by Big Bertha before stall

Board rules WSDOT should have given contractor more...

Posted by Wayne Grayson on May 12, 2015

In regard to the drilling of the new State Route 99 tunnel below Seattle, the Washington State Department of Transportation ...

Washington state will have $1.8 billion backlog of pavement preservation projects by 2025, report finds

Washington state will have $1.8 billion backlog of...

Posted by Chris Hill on Apr 24, 2015

In its recent report on Washington's transportation challenges, The Road Improvement Program says the state needs $2.8 billion for pavement preservation from ...

Did Seattle’s SR 99 tunnel really require Big Bertha? Indeco argues breakers are the answer

Did Seattle’s SR 99 tunnel really require Big Bertha?...

Posted by Marcia Gruver Doyle on Apr 23, 2015

  Tunnel boring machines such as Big Bertha, the 7,000-ton machine sidelined after a massive fail under the streets of Seattle, ...

Water main damaged by Big Bertha repair excavation could cost WSDOT $4 million

Water main damaged by Big Bertha repair excavation...

Posted by Wayne Grayson on Apr 14, 2015

Four months after crews temporarily stopped excavation on a repair pit for the world's largest tunnel-boring machine due to ground sinkage, ...

PHOTOS: Big Bertha’s 2,000-ton front end lifted to the surface. How the world’s largest tunneler was raised

PHOTOS: Big Bertha’s 2,000-ton front end lifted...

Posted by Wayne Grayson on Apr 01, 2015

After a year of slumber and almost a month after chewing her way into a 12-story repair pit, Big Bertha, the ...

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