April 5, 2017, 9am PDT
The Bertha tunnel boring machine was once stuck under the city of Seattle for more than a year. Now it has reached its goal, four years after it began its journey.
January 16, 2016, 11am PST
The adventure of Bertha the tunnel-boring machine, already two years behind schedule, has a new twist.
December 27, 2015, 11am PST
Baby steps are an improvement for the tunnel-boring machine known as Bertha. The drill moved a total of 1.5 feet this week, but the symbolic distance probably felt like a mile.
October 28, 2015, 9am PDT
At the heart of the financial and deadline challenges facing the $68 billion high-speed rail project are 36 miles of tunneling north of Los Angeles, according to Los Angeles Times analysis that includes interviews with experts on mega-projects.
April 1, 2015, 5am PDT
With the Bertha tunneling-boring machine stuck in the mud under Seattle for more than a year, officials turned to a politician known for his ability to stop transportation in its tracks.
Planetizen April 1st Edition
February 20, 2015, 2pm PST
Finally, a breakthrough we've all been waiting for: Bertha is on the move again in Seattle and will soon be ready for repairs. The tunnel Bertha was built to drill will have to wait, however.
December 23, 2014, 12pm PST
"Seattle is in the midst of a full-spectrum transportation fustercluck," writes David Roberts for Grist.
August 26, 2014, 10am PDT
After initial designs were critiqued as inauthentic to the Seattle experience, the park's designers are reaching out to the region's Native American population for advice on how to improve the plans for a new waterfront park.
June 16, 2014, 1pm PDT
Big Alma is one of two boring machines used to tunnel under the streets of San Francisco to construct the new Central Subway to Chinatown. Big Bertha, Seattle's infamous tunnel borer, has been stalled since December. Big Alma emerged on June 11.
The San Francisco Examiner
March 10, 2014, 10am PDT
A recent article by Bill Lucia explains the reasons to be cautiously optimistic about a proposed park that will replace a demolished Alaskan Viaduct on Seattle’s waterfront.
February 14, 2014, 11am PST
Seattle’s massive highway tunneling project delays while solutions are sought for the mechanical error that brought the project’s massive drilling machine, Bertha, to a halt. Some are starting to examine life after Bertha.
January 21, 2014, 8am PST
Though Seattle's giant tunneling machine remains stuck 60 feet under South Main Street, muck is starting to be flung above the surface. An email from Washington's Transportation Secretary reveals concerns over the conduct of the machine's operators.
December 20, 2013, 10am PST
Is it a giant rock? What about a sunken ship? Beneath Seattle's waterfront, a mysterious object has halted Bertha, the world's largest tunnel-boring machine. Stumped engineers are unclear on how long a highway tunneling project will be suspended.
September 20, 2012, 7am PDT
Seattle is a city of grids (plural). Downtown, alone, contains three, making for some pretty interesting transportation challenges. Some argue it's simply part of what makes the city livable.
July 18, 2012, 2pm PDT
Last week, landscape architect James Corner presented a transformative vision for remaking Seattle's waterfront after the removal of the Alaskan Way Viaduct. Lynn Thompson describes Corner's plan, and its accompanying funding challenges.
August 18, 2011, 11am PDT
A long simmering debate over how to deal with a damaged inner city freeway has seemingly found a conclusion as voters in Seattle have approved a plan to begin work on replacing the freeway with a tunnel.
April 12, 2011, 5am PDT
What future lies ahead for the damaged Alaskan Way Viaduct in Seattle continues to stir controversy in the city. An upcoming ballot measure will ask voters to again weigh the project's feasibility.
January 9, 2011, 11am PST
Contracts have been signed on a tunnel project to replace the earthquake-damaged Alaskan Way Viaduct in Seattle. But opponents are still trying to stop the project.
December 21, 2010, 5am PST
Grist's Dave Roberts chats with Cary Moon, one of the key opponents to Seattle's version of the Big Dig, a tunnel to replace the Alaskan Way Viaduct. Moon, urbanists, and environmentalists are supporting a multi-modal, surface boulevard alternative.
September 28, 2010, 11am PDT
Seattle is panning to tear down an aging viaduct that runs along its waterfront and replace it with a tunnel beneath downtown. When the viaduct falls, the city is looking to increase public space on a new waterfront.
The Seattle Post-Intelligencer