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Public Roads

New Research

The following new research studies reported by the Federal Highway Administration's (FHWA) Office of Research and Development are sponsored in whole or in part with federal highway funds.

The Nuclear Asphalt Content Gauge

About 93 percent of the 3.4 million kilometers of paved roads in the United States are asphalt, and accurate monitoring of the asphalt cement content of these roads is important to ensure that the mix design-tolerance is met.

The National AHS Consortium - A New Way of Doing Business

The selection of the National Automated Highway System Consortium (NAHSC) to develop, in partnership with the Department of Transportation (DOT), the prototype for an Automated Highway System (AHS) was a momentous occasion for two reasons.

Robotics in Highway Construction and Maintenance

When the Office of Advanced Research was established in April 1992 at the Federal Highway Administration's (FHWA) Turner-Fairbank Highway Research Center, robotics -- robot and automation technology -- was made one of the six key areas of research.