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Below are brief descriptions of reports recently published by the Federal Highway Administration's (FHWA) Office of Research, Development, and Technology.
Highway agencies have long been searching for a mechanistically based laboratory test to reliably characterize the strength and load-resistance of hot-mix asphalt (HMA) mixes.
One of the missions of the Federal Highway Administration (FHWA) is to increase the uniformity, safety, and efficiency of traffic operations on our nation's highways and streets.
What is the true cost of a road construction or improvement project? Very few state and local highway officials or construction contractors can give a full answer, even after projects are completed and paid for.
On Feb. 20, 2001, it reached 65 degrees (19 degrees Celsius) in Stafford, Va.; 53 degrees (12 C) on Feb. 21. However, on Feb. 22, the highest temperature was only 27 degrees (-3 C), and a sudden snowstorm dropped more than an inch (3 centimeters) of snow in a matter of minutes, creating whiteout conditions that took everyone by surprise.