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VIDEO: Drone flythrough of twin tunnel construction at East End Crossing in Kentucky
Drone video footage from the Louisville-Southern Indiana Ohio River Bridges Project offers a look at ongoing construction of twin 1,700-foot-long tunnels ...
Stronger Big Bertha cutter head lowered back into its pit for tunneling
Big Bertha's massive cutter head is back underground after months of repairs were made to get the world's largest tunnel-boring ...
Big Bertha is set to start drilling again in November after extensive repairs, testing
The world's largest tunnel-boring machine is now scheduled to get back to work on November 23, nearly two years after it overheated ...
FHWA creates new National Tunnel Inspection program
The U.S. Department of Transportation's Federal Highway Administration has created a new tunnel inspection program modeled after the decades old ...
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Crews begin installation of Big Bertha’s new seal system
While the rest of her massive frame waits below ground, Big Bertha has undergone the most pivotal portion of her ...
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 ...
Water main damaged by Big Bertha repair excavation could cost WSDOT $4 million
Four months after crews temporarily stopped excavation on a repair pit for the world's largest tunnel-boring machine due to ground sinkage, ...
Sixth element, reaching 90 feet deep, placed for Midtown Tunnel in Virginia
The sixth of 11 elements being used to create a new two-lane Midtown Tunnel connecting Portsmouth and Norfolk, Virginia, was ...
Lady Bird is the 1,300-ton tunnel-boring machine digging DC’s 13-mile sewer tunnel (PHOTOS, VIDEO)
Each year in Washington, D.C., about 2 billion gallons of raw sewage is dumped into the Potomac River, the Anacostia River ...
Big Bertha, world’s largest tunnel-boring machine, lowered into starting position in Seattle
With the digging of the Washington State Route 99 tunnel in Seattle scheduled to start in July, the Washington State Department of ...
Big Bertha, world’s largest tunnel-boring machine, arrives in Seattle
The "Big" in Bertha's name isn't there for the catchiness. It's there because it's apt. With a 57-foot diameter and a ...
NYC tunnel expansion the largest transportation project in U.S.
New York City is undergoing the biggest addition to its transportation system since Penn Station opened in 1910, Time reported. ...
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VIDEO: Entire Erques Bridge construction chronicled in beautiful time-lapse
VIDEO: Watch as a massive Komatsu PC8000 mining shovel is assembled in this time-lapse
John Deere unveils 2 large-frame skid steers, 2 CTLs in G Series power boost
Caterpillar to begin manufacturing mini excavators as market growth ends deal with Wacker Neuson
Cat to end track drill production, intends to sell room and pillar underground mining machine business
Unsafe surroundings: Unrecognized hazards could cause trouble for you – or for someone else
GO TO SAFETY WATCH
Caterpillar to begin manufacturing mini excavators as market growth ends deal ...
by Wayne Grayson
REVIEW: Cat S60’s design, speed, built-in FLIR thermal camera combine for ...
by Wayne Grayson
With new emissions regs, can heavy truck makers go all-in on ...
by Jason Cannon
Test Drive: Off-roading in Nissan’s sonar-equipped 2017 Titan Pro-4X Crew Cab ...
by Tom Quimby
compact track loaders
John Deere unveils 2 large-frame skid steers, 2 CTLs in G ...
by Wayne Grayson