For paving contractors, the word "density" is probably as familiar as that first cup of coffee in the morning. Two other key words that will guide him or her through the day are...
Imagine sitting in front of your computer, playing a video game and calling it "work." Sound too good to be true? It might not be. A group of researchers at the University of ...
Center of gravity (CG) is the point at which the weight of the chassis, body/equipment and payload (if collectively or individually supported) would balance vertically, horizontally...
The goal of "Keeping good roads good" is behind a growing number of pavement preservation programs nationwide. Information on what states, industry and others have accomplished...
There's a reason nobody has come up with a brilliant invention called the "window mat." You can approach just about any door in America, but peering through a clear ...
Steel traction wheels were commonly used for shovels until crawlers rendered them obsolete. This Marion 31 steam shovel is posed with a fleet of mule-drawn bottom dump wagons ...
It seems like computers have found their way into every human endeavor, even various construction functions, in the field as well as the home office. Here are some of the latest...
To meet the demand for a 21st century transportation network, FHWA is proposing a comprehensive program of bridge research and technology (R&T). The Bridges for the 21st Century...
Your number may be up. It may be as high as six. As this year's APWA International Public Works Congress readies for takeoff (Aug. 24-27 in San Diego), it seems more attendees...
The 2003 final rule permits DOTs to continue the counting provisions its DBE program adopted to comply with the 1999 final rule or adopt the new option. On June 16, 2003, the ...
When it comes to high maintenance, Hiroyuki Fujikawa is at its beck and call. And that goes for long maintenance, too. In fact, everybody involved with the Honshu-Shikoku Bridge...
It took nearly 10 years, but Bangkok, Thailand, now has a fifth bridge crossing the Chao Phraya River at the center of the city. The bridge is intended to relieve traffic congestion...
Eyewash station No plumbing is necessary to install the Pure Flow 1000 Emergency Eyewash Station, which can be placed less than 10 seconds away from severe caustic and chemical...
The ability to move traffic in an urban environment has been a challenge at best. Initially focused on the movement of motor vehicle traffic with well-established rush hours, ...
Virginia, Missouri finding ways to save money on road building Even in tight economic times, some states are finding ways to save money on transportation construction--money that...
America's major urban roads are critical links in the nation's transportation system, serving commuters and commerce. As travel nationwide continues to climb, adding to the wear...
Each year, millions of dollars are spent in North America removing and replacing, rehabilitating or financially compensating owners for concrete that is unacceptable. In many ...
The hills are finally hollow in California. Every ounce of gold appears to have been picked clean. The state now faces a $38 billion deficit, and as of press time has gone almost...