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Public Roads

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Public Roads

Along The Road

Along the Road is the place to look for information about current and upcoming activities, developments, trends, and items of general interest to the highway community.

Internet Watch

E-gov is the idea of creating a public portal that facilitates access to government-related information, products, and services and that provides the ability to conduct online transactions.

National Highway Institute (NHI)

Computerized Traffic Signal Systems (#133010) presents current technology and control options available for computerized traffic control, including microcomputer applications.

Recent Publications

Below are brief descriptions of reports recently published by the Federal Highway Administration's (FHWA) Office of Research, Development, and Technology.

Low-Altitude Laser Surveys Provide Flexibility and Savings

The Federal Highway Administration's Central Federal Lands Highway Division (CFLHD) Survey and Right-of-Way Team recently tackled two challenging road surveys with low-altitude LiDAR terrain measurements made from a helicopter. LiDAR, which stands for light detection and ranging, has been used frequently to map and survey from airplanes and satellites.

New Life for Old Transmitters: Converting GWEN to NDGPS

The recent conversion of two Ground Wave Emergency Network (GWEN) sites in Annapolis and Hagerstown, Md., to Nationwide Differential Global Positioning System (NDGPS) broadcast stations is the latest chapter in the emerging NDGPS.