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As Bertha visits the dentist, a look at how this machine digs and builds the SR99 tunnel at the same time (VIDEO)
Bertha, the world's largest and perhaps most beleaguered tunnel boring machine, has been halted deep below the streets of Seattle once ...
Bertha will soon begin digging below the viaduct its path will replace
The world's largest tunneling machine will soon begin its dig beneath the Alaskan Way Viaduct in Seattle, its first activity ...
VIDEO: Tour the world’s new longest floating bridge in Seattle
After more than a decade of planning and five years of construction, the world’s longest floating bridge is set to open ...
USDOT Undersecretary steps down to take over Seattle’s Sound Transit
U.S. Department of Transportation Undersecretary Peter Rogoff is leaving the federal agency to head up Seattle's Sound Transit. Rogoff has held the ...
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MACHINE CONTROL & AUTOMATION CAN ADD TO YOUR BOTTOM LINE
This is the fifth in a series of articles about how technology can help construction companies optimize performance across their…
Seattle voters approve levy for $930 million transportation funding plan
Voters in Seattle voted yes to the “Transportation Levy to Move Seattle,“ which will provide $930 million over nine years ...
USDOT launches regional forum for Beyond Traffic transportation trends, policy discussions
The U.S. Department of Transportation (USDOT) has planned 11 forums across the country this fall to discuss the department’s Beyond ...
Board rules WSDOT should have given contractor more warning about pipe struck by Big Bertha before stall
In regard to the drilling of the new State Route 99 tunnel below Seattle, the Washington State Department of Transportation ...
PHOTOS: Big Bertha’s 2,000-ton front end lifted to the surface. How the world’s largest tunneler was raised
After a year of slumber and almost a month after chewing her way into a 12-story repair pit, Big Bertha, the ...
Big Bertha wakes from one-year nap, begins to chew her way into repair pit
For the first time in more than a year, Big Bertha actually bored. According to a report from the Seattle Times, the world's largest ...
Excavation stopped on Big Bertha repair pit due to major ground sinkage in area
The latest in a long string of delays to affect tunnel-boring machine Big Bertha has far greater implications than any of the ...
One contractor gives another work: Seattle officials suspect construction crew responsible for dumping concrete in sewer pipe
Even though it's something that happens fairly regularly—three or four times a year—footing the bill to repair sewer pipes used ...
Repairs to Big Bertha will include 86 tons of steel reinforcement to tunnel-boring machine’s bearing, cutter drive
The largest tunnel-boring machine in the world needs a bit of reinforcement against the "wet and abrasive soils" deep below ...
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Tesla reveals plan for 'new kind of pickup,' heavy duty truck
VIDEO: Tracked drilling rig tips onto rear end in longest rollover trailering accident ever
Hennessey unveils 704-hp Ford F-150 VelociRaptor (PHOTOS)
Crane collapses atop Tappan Zee Bridge, shutting down traffic and injuring 5
VIDEO: Workers leap to safety from burning boom lift 6 stories up
Safety Training & Toolbox Talks
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Komatsu acquires mining equipment maker Joy Global for $3 billion
by Wayne Grayson
VIDEO: Workers leap to safety from burning boom lift 6 stories ...
by Wayne Grayson
Ram says Ford Super Duty’s claim to towing throne isn’t fair ...
by Tom Quimby
Construction firm’s in-house machine control software the first step toward automated ...
by Wayne Grayson
Crane collapses atop Tappan Zee Bridge, shutting down traffic and injuring ...
by Chris Hill
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