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Additional Research Databases

Search these databases to find books, articles, technical reports, conference papers, and other publications on transportation and government research.

NTL’s Repository and Open Science Access Portal (ROSA P)

The Repository and Open Science Access Portal (ROSA P) is designated as the full-text repository for U.S. Department of Transportation (U.S. DOT)-funded research under the U.S. DOT Public Access Plan. The National Transportation Library (NTL) provides its collections freely to transportation researchers, statistical organizations, the media, and the general public through ROSA P.

Transport Research International Documentation (TRID)

Transport Research International Documentation (TRID) is an integrated database that combines the records from the Transportation Research Board’s (TRB) Transportation Research Information Services (TRIS) database and the OECD’s Joint Transport Research Centre’s International Transport Research Documentation (ITRD) database. TRID provides access to more than one million records of transportation research worldwide.


WorldCat is the world’s most comprehensive catalog of library holdings, containing more than 2 billion records from more than 10,000 libraries worldwide.

Federal Digital System (FDsys)

The U.S. Government Publishing Office’s Federal Digital System (FDsys) provides free online access to official federal government publications.

Assist On-line

Assist is the official source for specifications and standards used by the Department of Defense.

NASA Technical Reports Server (NTRS)

The NASA Technical Reports Server (NTRS) provides access to NASA’s current and historical technical literature and engineering results. NTRS includes more than 500,000 aerospace-related citations, more than 200,000 full-text online documents, and more than 500,000 images and videos. 

National Technical Reports Library (NTRL)

The National Technical Reports Library (NTRL) serves as the largest central resource for government-funded scientific, technical, engineering, and business-related information available today. For more than 60 years, the National Technical Information Service has assured businesses, universities, and the public timely access to approximately 3 million publications covering more than 350 subject areas.

Defense Technical Information Center (DTIC)

The Defense Technical Information Center (DTIC) serves the Department of Defense as a repository of Defense-funded technical research, development, testing, and evaluation information.

Last updated: Monday, July 6, 2020