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When it comes to snowplowing operations, most public-works agencies historically have applied an ad-hoc approach, defined by geography and relying on individual drivers to...
Just west of Washington, D.C., I-66 in Fairfax County, Va., is one of the busiest commuter routes in the country.
Between 162,000 and 178,000 vehicles per day travel on I-66—...
S.R. 99, Seattle: At the beginning of May, crews used a crane to begin lowering the first large pieces of the 7,000-ton tunnel-boring machine, nicknamed “Bertha,” into the...
The creaks of a typical freight train—some 80 cars long—slowly merge with the screech of brakes not too far from jet-powered takeoffs.
After a relatively short journey from...
The University of Michigan Transportation Research Institute (UMTRI), in partnership with the U.S. Department of Transportation (DOT), is conducting the largest-ever road...
In 2010, the town of Mount Pleasant, S.C., implemented an adaptive traffic-control system in conjunction with ongoing improvements to U.S. Rte. 17.
The purpose of the system...
OSHA is paying special attention to the construction industry, especially to companies performing work near roadways or highways where employees could be exposed to struck-by...
They say everything is bigger in Texas, and the Loop 375 Transmountain West roadway improvement project outside of El Paso seems intent on proving that point.
Sundt...
Johnson County comprises some 620 square miles of pastoral eastern Iowa farmland nestled against both sides of the Iowa River.
Interstate 80 bisects the county from west to...
Many designers today choose stay-cable systems for medium- to long-span bridges due to their structural efficiency, durability and aesthetic appearance.
Both the harp and the...
When it comes to communing with nature in a beautiful setting, it’s tough to beat the Little Miami State and National Scenic River in Ohio.
Majestic sycamores, steep rocky...
With more than 600,000 bridges in the U.S., many of them closing in on or surpassing their original 50-year design lives, the need to ensure safety is at the forefront of...
In 2008, the Commonwealth of Massachusetts passed legislation that allowed for a historic $3 billion, eight-year Accelerated Bridge Program (ABP) to be implemented by the...
Numbers do not lie, but what’s stopping some of them from speaking out of both sides of the mouth?
Not much, because anyone looking at the deficient data from the nation’s...
For the past 50 years or more, mowing and herbicides have been the predominant methods used to manage nationwide roadside vegetation.
New environmental laws, reduced budgets...
Managing one of the nation’s largest assets is tough to do, even if you have the most sophisticated software to help predict roadway conditions and recommend what projects...
A significant number of bridges have been struck by tall vehicles, and the occurrence of such accidents keeps rising.
The impact of vehicles with bridge components may result...
Five hundred ninety-two. That’s the number of suspender ropes holding up the deck of the George Washington Bridge connecting upper Manhattan and New Jersey.
And 592 also is...
In late August 2012, the crews working SH 130 were attaining astonishingly smooth placements of hot-mix asphalt (HMA) on segments 5 and 6 of the new central Texas toll route...
In 2011, after enduring more than 44 years of surface erosion and extreme swings in temperature and precipitation, the 231-ft-high Homestake Dam in Colorado’s Rocky Mountain...
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The new long-range transportation plan for the Philadelphia area submitted by the Delaware Valley Regional Planning Commission this week warns...
Crews completed the widening of the Huey P. Long Bridge near New Orleans on June 17, bringing the largest transportation construction project in...
City officials in El Paso, Texas, are set to break ground Wednesday on the first stations of the new bus rapid transit (BRT) system scheduled to...