National Transportation Library

In 2012 NTL's authorized role was expanded by Moving Ahead for Progress in the 21st Century Act (MAP-21) to include the acquisition, preservation, and management of transportation information; as well as expanded services provided to the USDOT, other Federal agencies, transportation professionals, and the public.

Resources available in ROSA P include full-text electronic publications, datasets, images, videos, and maps.

The FDD is useful for identifying and harmonizing differences in data element definitions, improving production with precision.

[7] National Transportation Knowledge Networks (TKNs) have been established in three geographic regions: east, midwest, and west.

This article incorporates public domain material from websites or documents of the United States Department of Transportation.