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Public Roads

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National Crash Analysis Center

The National Crash Analysis Center (NCAC) is a research and resource center for transportation safety studies on vehicles and highways.

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.

Accident Rates Using HSIS

One of the major tasks of the Federal Highway Administration's (FHWA) Design Concepts Research Division is to develop and implement an Interactive Highway Safety Design Model (IHSDM).