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VIDEO: Bertha sees daylight, finishes 1.7-mile boring work for SR 99 tunnel
Sixty-four years after the Alaskan Way Viaduct was first opened to traffic, Bertha, the world’s largest tunnel boring machine, ...
VIDEO: A drone’s-eye view of Bertha’s work inside Washington’s SR 99 tunnel
Bertha, the largest tunnel-boring machine in the world, is back at work once again and tunneling below the Alaskan ...
Damage to Big Bertha worse than previously thought
Now that crews are well into the process of dismantling her front-end for necessary repairs, it's clear that damage ...
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, ...
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Wireless Headsets Versus 2-Way Radios for DOT Crews
Learn the top 6 ways that DOT equipment operators use wireless headsets to improve road safety and communications.
PHOTOS: Fixing Bertha: How workers dug a 12-story pit to raise world’s largest tunnel boring machine from the dead
No. 8 Story in 2015 « No. 9 No. 7 » The Big Bertha saga recently received a major update: ...
VIDEO: Watch time-lapse of Highway 99 construction
The Washington State Department of Transportation was kind enough to release the following time-lapse video of construction on Highway ...
Camera gives a live view of construction on Big Bertha’s 12-story repair access pit
Just because Big Bertha is down for nearly a year, that doesn't mean work around the world's largest tunnel ...
Tunnel-boring machine Big Bertha moves forward 2 feet in test run to see if blockage is fully removed
After nearly two months of downtime caused by a steel pipe stuck in her teeth, Big Bertha, the world's ...
A steel pipe is what brought Big Bertha, the world’s largest tunnel-boring machine, to a halt
The mystery is solved—in part at least. After Big Bertha, the world's largest tunnel-boring machine, was brought to an abrupt ...
No. 6 in 2013: Big Bertha digs in before being stopped in her tracks
There's been a lot of excitement this year about the world's largest tunnel boring machine. Named "Big Bertha," she ...
Unstoppable Force, Immovable Object: Seattle’s Big Bertha halted by mystery object
Has Big Bertha met her match? She has, at least for the time being. The world's largest tunnel-boring machine was ...
Ford details 2018 F-150 engines: More power, better MPGs, short delay for diesel option
VIDEO: Excavator takes direct hit from land mine
Cat excavator makes cameo in “Transformers: The Last Knight” (VIDEO)
Caterpillar creates two new divisions as three VPs step aside
Discovery of human remains halts $2.9 million bridge project in Minnesota
Small trench, big disaster
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Komatsu unveils HD325-8, HD405-8 off-highway trucks with more power, new cab ...
by Wayne Grayson
U.S.-made, Cat-powered Monterra 4×4/6×6 cabovers are reset Army trucks aimed at ...
by Tom Quimby
ELD Mandate: As contractors scramble to comply with electronic logging, others ...
by Equipment World Staff
JCB’s 16C-1, 18Z-1 and 19C-1 mini excavators bring new designs, lots ...
by Wayne Grayson
Test Drive: Volvo’s new VNR tractor with 38 tons of concrete ...
by Jason Cannon
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