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1991 Federal Aid Primary (FAP)

Published by Federal Highway Administration (FHWA) | Department of Transportation | Metadata Last Checked: December 17, 2025 | Last Modified: 2024-02-07T00:00:00.000+00:00
The 1991 Federal Aid Primary (FAP) dataset was compiled on July 28, 2016 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). The Federal Aid Primary system came into existence on June 1, 1991. A data dictionary, or other source of attribute information, is accessible at https://doi.org/10.21949/1530111

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